{"product_id":"wifi-lora-32-v4-902-928-mhz-band-with-case","title":"WiFi LoRa 32 v4 902-928 MHz Band with case","description":"\u003cp\u003eWiFi LoRa 32(V4), ESP32S3 + SX1262 LoRa Node, Meshtastic and LoRaWAN Compatible\u003c\/p\u003e\n\u003cp\u003eWiFi LoRa 32 is a classic IoT development board widely used in many open-source projects and IoT products.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSummary\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003eWiFi LoRa 32 V4\u003c\/strong\u003e\u003cspan\u003e, the next gen to the \u003c\/span\u003eHeltec V3\u003cspan\u003e, is a powerful, high-efficiency IoT maker board featuring an \u003c\/span\u003e\u003cstrong\u003eESP32S3 MCU\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003eSX1262\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eLoRa Node chip\u003c\/strong\u003e\u003cspan\u003e; retaining the V3’s size and \u003c\/span\u003e\u003cstrong\u003eidentical pinout\u003c\/strong\u003e\u003cspan\u003e, it integrates performance upgrades including a built-in \u003c\/span\u003e\u003cstrong\u003eWi-Fi\/Bluetooth antenna\u003c\/strong\u003e\u003cspan\u003e, \u003c\/span\u003e\u003cstrong\u003e28±1dBm LoRa output power\u003c\/strong\u003e\u003cspan\u003e, and a protected OLED display; its superior RF and stable system design ensure it’s ready-to-use and highly beginner-friendly, supporting development via \u003c\/span\u003e\u003cstrong\u003eArduino\u003c\/strong\u003e\u003cspan\u003e, \u003c\/span\u003e\u003cstrong\u003ePlatformIO\u003c\/strong\u003e\u003cspan\u003e, \u003c\/span\u003e\u003cstrong\u003eESP-IDF\u003c\/strong\u003e\u003cspan\u003e, and \u003c\/span\u003e\u003cstrong\u003eMicroPython\u003c\/strong\u003e\u003cspan\u003e; making it ideal for long-range wireless open-source projects like \u003c\/span\u003e\u003cstrong\u003eMeshtastic\u003c\/strong\u003e\u003cspan\u003e, \u003c\/span\u003e\u003cstrong\u003eLoRaWAN\u003c\/strong\u003e\u003cspan\u003e, and \u003c\/span\u003e\u003cstrong\u003eMeshcore\u003c\/strong\u003e\u003cspan\u003e in applications such as smart cities and industrial control, with custom hardware available on the \u003c\/span\u003e\u003ca href=\"https:\/\/mqb.heltec.org\/\" rel=\"noopener\" target=\"_blank\"\u003eHeltec MQB platform\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMain Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan class=\"elementor-icon-list-text\"\u003eBase on ESP32-S3R2 \u0026amp; SX-1262, supports Wi-Fi b\/g\/n, BLE, and LoRa communication.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"elementor-icon-list-item\"\u003e\n\u003cspan class=\"elementor-icon-list-icon\"\u003e\u003ci aria-hidden=\"true\" class=\"fas fa-circle\"\u003e\u003c\/i\u003e\u003c\/span\u003e\u003cspan class=\"elementor-icon-list-text\"\u003e2MB PSRAM and 16MB external Flash, more suitable for UI and complex system.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"elementor-icon-list-item\"\u003e\n\u003cspan class=\"elementor-icon-list-icon\"\u003e\u003ci aria-hidden=\"true\" class=\"fas fa-circle\"\u003e\u003c\/i\u003e\u003c\/span\u003e\u003cspan class=\"elementor-icon-list-text\"\u003eLoRa Transmit Power: High-power version 28 dBm, Low-power version 22 dBm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"elementor-icon-list-item\"\u003e\n\u003cspan class=\"elementor-icon-list-icon\"\u003e\u003ci aria-hidden=\"true\" class=\"fas fa-circle\"\u003e\u003c\/i\u003e\u003c\/span\u003e\u003cspan class=\"elementor-icon-list-text\"\u003ePC casing protects the screen and integrates FPC 2.4G antenna.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"elementor-icon-list-item\"\u003e\n\u003cspan class=\"elementor-icon-list-icon\"\u003e\u003ci aria-hidden=\"true\" class=\"fas fa-circle\"\u003e\u003c\/i\u003e\u003c\/span\u003e\u003cspan class=\"elementor-icon-list-text\"\u003eForm factor and pin compatibility with WiFi LoRa 32 V3.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"elementor-icon-list-item\"\u003e\n\u003cspan class=\"elementor-icon-list-icon\"\u003e\u003ci aria-hidden=\"true\" class=\"fas fa-circle\"\u003e\u003c\/i\u003e\u003c\/span\u003e\u003cspan class=\"elementor-icon-list-text\"\u003ePC casing protects the screen and integrates FPC 2.4G antenna.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"elementor-icon-list-item\"\u003e\n\u003cspan class=\"elementor-icon-list-icon\"\u003e\u003ci aria-hidden=\"true\" class=\"fas fa-circle\"\u003e\u003c\/i\u003e\u003c\/span\u003e\u003cspan class=\"elementor-icon-list-text\"\u003eAdded 1.25-2Pin solar panel interface, and 1.25-8Pin GNSS interface.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"elementor-icon-list-item\"\u003e\n\u003cspan class=\"elementor-icon-list-icon\"\u003e\u003ci aria-hidden=\"true\" class=\"fas fa-circle\"\u003e\u003c\/i\u003e\u003c\/span\u003e\u003cspan class=\"elementor-icon-list-text\"\u003eOptimised lithium battery management.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"elementor-icon-list-item\"\u003e\n\u003cspan class=\"elementor-icon-list-icon\"\u003e\u003ci aria-hidden=\"true\" class=\"fas fa-circle\"\u003e\u003c\/i\u003e\u003c\/span\u003e\u003cspan class=\"elementor-icon-list-text\"\u003eLow power consumption is less than 20μA.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eHardware Version Comparison\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\" style=\"width: 100%; height: 284.313px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.6591%; height: 19.5938px;\"\u003e Parameters\u003c\/td\u003e\n\u003ctd style=\"width: 35.0271%; height: 19.5938px;\"\u003ev3\u003c\/td\u003e\n\u003ctd style=\"width: 38.6108%; height: 19.5938px;\"\u003ev4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.6591%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eMCU\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 35.0271%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eESP32-S3FN8\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 38.6108%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eESP32-S3R2\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.6591%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eFlash\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 35.0271%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003e8MB (integrated)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 38.6108%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003e16MB (external)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.6591%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eUSB to Serial Chip\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 35.0271%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eCP2102\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 38.6108%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eRemoved CP2102\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 25.6591%; height: 39.1875px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003ePower Management\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 35.0271%; height: 39.1875px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eStandard Li-ion management IC\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 38.6108%; height: 39.1875px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eUpgraded IC supporting solar input\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.6591%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eSolar Input\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 35.0271%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eNot available\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 38.6108%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eAdded 1.25-2P interface\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.6591%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eLoRa TX Power\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 35.0271%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003e21±1dBm\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 38.6108%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003e28±1dBm\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.6591%; height: 19.5938px;\"\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e2.4G Antenna\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 35.0271%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eMetal spring antenna\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 38.6108%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eFPC antenna + IPEX connector\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.6591%; height: 19.5938px;\"\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eGPS Interface\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 35.0271%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eNot available\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 38.6108%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eAdded 1.25-8Pin interface\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.6591%; height: 19.5938px;\"\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003ePeripheral I\/F\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 35.0271%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003e36-pin\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 38.6108%; height: 19.5938px;\"\u003e40-pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.6591%; height: 19.5938px;\"\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eScreen Connection\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 35.0271%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eSoldered\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 38.6108%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eSoldered + B2B connector\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 29.5938px;\"\u003e\n\u003ctd style=\"width: 25.6591%; height: 29.5938px;\"\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003ePin Craft\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 35.0271%; height: 29.5938px;\"\u003eSilver-plated\u003cmeta charset=\"utf-8\"\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 38.6108%; height: 29.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eGold-plated\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.6591%; height: 19.5938px;\"\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eScreen Bracket\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 35.0271%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003ePartial protection\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 38.6108%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eFull protection\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 class=\"elementor-heading-title elementor-size-default\"\u003eHighlight\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003e\u003cstrong\u003eMore Powerful MCU - \u003c\/strong\u003eThe ESP32-S3R2 offers 2MB of PSRAM and is equipped with an external 16MB Flash, making the upgraded memory configuration more suitable for Ul and complex system design.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cstrong\u003eHigher Transmission Power - \u003c\/strong\u003eThe device is available in high-power and low-power versions. The high-power version offers a transmit power of up to 27\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e±\u003c\/span\u003e1dBm, enabling longer communication distances and adaptability to a wider range of application scenarios.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cstrong\u003eMore Peripheral Interfaces\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003eAdded 1.25*2P solar panel interface, supports 4.7~6V solar input\u003c\/li\u003e\n\u003cli class=\"li1\"\u003eAdded 1.25°8P GNSS interface, GNSS power can be individual controlled.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e1.25*2P lithium battery interface\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cstrong\u003eCompatible with V3 Pinout\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eAlmost entirely retains the form factor and pin layout of V3, while adding additional pins. The pin plating process has been upgraded from silver plating to gold plating.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecfications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\" style=\"width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 20.6877%;\"\u003e Parameters\u003c\/td\u003e\n\u003ctd style=\"width: 78.9608%;\"\u003eDescription\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 20.6877%;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eMCU\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 78.9608%;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eESP32-S3R2 (Xtensa®32-bit lx7 dual core processor)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 20.6877%;\"\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eLoRa Chip\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.9608%;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eSX1262\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 20.6877%;\"\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eFrequency\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.9608%;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eHigh-power version: 863-928MHz\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eLow-power version: 433, 470-510, 863-928MHz\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 20.6877%;\"\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eMax. TX Power\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.9608%;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eHigh-power version: 28 ±1 dBm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eLow-power version: 21 ±1 dBm\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 20.6877%;\"\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eMax. Receiving sensitivity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.9608%;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003e-137dBm@SF12 BW=125KHz\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 20.6877%;\"\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eWi-Fi\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.9608%;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003e802.11 b\/g\/n, up to 150Mbps\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 20.6877%;\"\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eBluetooth\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.9608%;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eBluetooth (LE), Bluetooth 5, Bluetooth Mesh\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 20.6877%;\"\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eHardware Resource\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.9608%;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003e7*ADC1 + 2*ADC2;\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e7*Touch;\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e3*UART;\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e2*I2C;\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e2*SPI; etc.\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 20.6877%;\"\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eMemory\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.9608%;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003e384KB ROM; 512KB SRAM; 16KB RTC SRAM; 2MB PSRAM; 16MB Flash\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 20.6877%;\"\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eInterface\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.9608%;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eType-C USB;\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e1.25*2 Pin lithium battery interface;\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e1.25*2 Pin Solar interface;\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e1.25*8 Pin interface;\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eLoRa ANT(IPEX1.0);\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e2.4G ANT(IPEX1.0)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 20.6877%;\"\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eBattery applicable\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.9608%;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003e3.3-4.4V lithium battery\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 20.6877%;\"\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eOperating Temperature\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.9608%;\"\u003e -20 ~ 70 ℃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 20.6877%;\"\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eDimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.9608%;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003e51.7 * 25.4* 10.7mm\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2.4GHz Antenna\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe default 2.4G FPC antenna is located on the side of the plastic screen bracket.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eHardware 4.2\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eIf you wish to use an IPEX-connected 2.4G antenna, you need to remove the inductor marked as \u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e①\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e in the diagram below, and add a 0-ohm resistor (or other conductive metal or cable) at the position marked \u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e②\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e to connect to the IPEX interface.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0826\/8952\/4003\/files\/Heltec-WiFi-Lora-v4-0.png?v=1773913366\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMy screws look a bit odd?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0826\/8952\/4003\/files\/Heltec-WiFi-Lora-v4-1.jpg?v=1773913476\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis area is attached with a 2.4G FPC antenna, and to avoid affecting its performance, customised\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eplastic screws\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eare used here.\u003c\/p\u003e\n\u003cp\u003eThat’s why they look different from ordinary screws.\u003cbr\u003eWhen you need to remove it, gently press and turn with a screwdriver.\u003c\/p\u003e\n\u003cdiv id=\"elementor-tab-title-7755\" class=\"elementor-tab-title elementor-active\" data-tab=\"5\" role=\"button\" aria-controls=\"elementor-tab-content-7755\" aria-expanded=\"true\" aria-selected=\"true\" tabindex=\"0\"\u003e\u003cstrong\u003e\u003ca class=\"elementor-accordion-title\" tabindex=\"0\"\u003eWhat development methods does it support?\u003c\/a\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv id=\"elementor-tab-content-7755\" class=\"elementor-tab-content elementor-clearfix elementor-active\" data-tab=\"5\" role=\"region\" aria-labelledby=\"elementor-tab-title-7755\"\u003e\n\u003cul\u003e\n\u003cli\u003eArduino\u003c\/li\u003e\n\u003cli\u003eMicro Python\u003c\/li\u003e\n\u003cli\u003ePlatform.io\u003c\/li\u003e\n\u003cli\u003eEspressif IDE\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWe strongly recommend using Arduino. Heltec have complete technical support and provide complete\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/github.com\/Heltec-Aaron-Lee\/WiFi_Kit_series\/tree\/master\/esp32\/libraries\/LoraWan102\" rel=\"noopener\" target=\"_blank\"\u003eLoRaWAN code for ESP32 Arduino framework\u003c\/a\u003e.\u003c\/p\u003e\n\u003cdiv id=\"elementor-tab-title-7756\" class=\"elementor-tab-title elementor-active\" data-tab=\"6\" role=\"button\" aria-controls=\"elementor-tab-content-7756\" aria-expanded=\"true\" aria-selected=\"true\" tabindex=\"0\"\u003e\u003cstrong\u003e\u003ca class=\"elementor-accordion-title\" tabindex=\"0\"\u003eWhat’s the battery socket type?\u003c\/a\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv id=\"elementor-tab-content-7756\" class=\"elementor-tab-content elementor-clearfix elementor-active\" data-tab=\"6\" role=\"region\" aria-labelledby=\"elementor-tab-title-7756\"\u003e\n\u003cp\u003eYou can find this type of socket by search “SH1.25 x 2”.\u003c\/p\u003e\n\u003cdiv id=\"elementor-tab-title-7758\" class=\"elementor-tab-title elementor-active\" data-tab=\"8\" role=\"button\" aria-controls=\"elementor-tab-content-7758\" aria-expanded=\"true\" aria-selected=\"true\" tabindex=\"0\"\u003e\u003cstrong\u003e\u003ca class=\"elementor-accordion-title\" tabindex=\"0\"\u003eAre V3 and V4 compatible?\u003c\/a\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv id=\"elementor-tab-content-7758\" class=\"elementor-tab-content elementor-clearfix elementor-active\" data-tab=\"8\" role=\"region\" aria-labelledby=\"elementor-tab-title-7758\"\u003e\n\u003cp\u003eThey are compatible in most scenarios.\u003cbr\u003eSince V4 uses the same series of chips as V3, features the same OLED, and has an almost identical pin layout, V3 and V4 can be used interchangeably in the majority of cases.\u003cbr\u003eHowever, due to the increased transmit power, the transmit power settings in some code may no longer correspond directly to the actual output.\u003c\/p\u003e\n\u003cdiv id=\"elementor-tab-title-7759\" class=\"elementor-tab-title elementor-active\" data-tab=\"9\" role=\"button\" aria-controls=\"elementor-tab-content-7759\" aria-expanded=\"true\" aria-selected=\"true\" tabindex=\"0\"\u003e\u003cstrong\u003e\u003ca class=\"elementor-accordion-title\" tabindex=\"0\"\u003eFailed to upload code\u003c\/a\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv id=\"elementor-tab-content-7759\" class=\"elementor-tab-content elementor-clearfix elementor-active\" data-tab=\"9\" role=\"region\" aria-labelledby=\"elementor-tab-title-7759\"\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003ePlease try the following steps:\u003c\/p\u003e\n\u003col start=\"1\"\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003eTry using a different USB cable.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003eEnter BootLoader mode. There are two methods to enter this mode:\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003eHold down the \u003cstrong\u003ePRG\u003c\/strong\u003e button, connect the USB-C cable, then release the \u003cstrong\u003ePRG\u003c\/strong\u003e button.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003eConnect the USB-C cable, hold down the \u003cstrong\u003ePRG\u003c\/strong\u003e button, press the \u003cstrong\u003eRST\u003c\/strong\u003e button once, then release the \u003cstrong\u003ePRG\u003c\/strong\u003e button.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv aria-selected=\"true\" aria-expanded=\"true\" aria-controls=\"elementor-tab-content-77510\" role=\"button\" data-tab=\"10\" class=\"elementor-tab-title elementor-active\" id=\"elementor-tab-title-77510\" tabindex=\"0\"\u003e\u003cstrong\u003e\u003ca class=\"elementor-accordion-title\" tabindex=\"0\"\u003eWhy are there no resistors soldered on the 868 and 915 markings? Which frequency band does my device actually support?\u003c\/a\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv aria-selected=\"true\" aria-expanded=\"true\" aria-controls=\"elementor-tab-content-77510\" role=\"button\" data-tab=\"10\" class=\"elementor-tab-title elementor-active\" tabindex=\"0\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv aria-labelledby=\"elementor-tab-title-77510\" role=\"region\" data-tab=\"10\" class=\"elementor-tab-content elementor-clearfix elementor-active\" id=\"elementor-tab-content-77510\"\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0826\/8952\/4003\/files\/Heltec-WiFi-Lora-v4-2.jpg?v=1773913639\"\u003e\u003c\/p\u003e\n\u003cp\u003eIt indicates simultaneous support for both 868 MHz and 915 MHz frequency bands.\u003c\/p\u003e\n\u003cp\u003eIn the initial design, we developed two separate hardware versions to achieve optimal RF performance. However, through subsequent debugging, we have successfully unified the hardware for both 868 MHz and 915 MHz while maintaining excellent RF characteristics.\u003c\/p\u003e\n\u003cdiv aria-selected=\"true\" aria-expanded=\"true\" aria-controls=\"elementor-tab-content-77511\" role=\"button\" data-tab=\"11\" class=\"elementor-tab-title elementor-active\" id=\"elementor-tab-title-77511\" tabindex=\"0\"\u003e\u003cstrong\u003e\u003ca class=\"elementor-accordion-title\" tabindex=\"0\"\u003e“LoRa Error”\u003c\/a\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv aria-labelledby=\"elementor-tab-title-77511\" role=\"region\" data-tab=\"11\" class=\"elementor-tab-content elementor-clearfix elementor-active\" id=\"elementor-tab-content-77511\"\u003e\n\u003cp\u003eIt does not indicate device damage. Please disregard this phenomenon.\u003cspan\u003e The \u003cstrong\u003eLORA ERROR\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eoccurs because it is running the factory default LORA testing program and cannot find another device running the same program.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eLinks\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDocs: \u003ca rel=\"noopener\" href=\"https:\/\/wiki.heltec.org\/docs\/devices\/open-source-hardware\/esp32-series\/lora-32\/wifi-lora-32-v4\/\" target=\"_blank\"\u003ehttps:\/\/wiki.heltec.org\/docs\/devices\/open-source-hardware\/esp32-series\/lora-32\/wifi-lora-32-v4\/\u003c\/a\u003e \u003c\/li\u003e\n\u003cli\u003eSchematic Diagram: \u003ca rel=\"noopener\" href=\"https:\/\/resource.heltec.cn\/download\/WiFi_LoRa_32_V4\/Schematic\" target=\"_blank\"\u003ehttps:\/\/resource.heltec.cn\/download\/WiFi_LoRa_32_V4\/Schematic\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eDatasheet: \u003ca rel=\"noopener\" href=\"https:\/\/resource.heltec.cn\/download\/WiFi_LoRa_32_V4\/datasheet\/WiFi_LoRa_32_V4.2.0.pdf\" target=\"_blank\"\u003ehttps:\/\/resource.heltec.cn\/download\/WiFi_LoRa_32_V4\/datasheet\/WiFi_LoRa_32_V4.2.0.pdf\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e3D Model Diagram: \u003ca rel=\"noopener\" href=\"https:\/\/resource.heltec.cn\/download\/WiFi_LoRa_32_V4\/3D\" target=\"_blank\"\u003ehttps:\/\/resource.heltec.cn\/download\/WiFi_LoRa_32_V4\/3D\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eDownloadable Resources: \u003ca rel=\"noopener\" href=\"https:\/\/resource.heltec.cn\/download\/WiFi_LoRa_32_V4\/\" target=\"_blank\"\u003ehttps:\/\/resource.heltec.cn\/download\/WiFi_LoRa_32_V4\/\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eHeltec ESP32 Development Framework (Board Manager, Basic Examples): \u003ca rel=\"noopener\" href=\"https:\/\/github.com\/Heltec-Aaron-Lee\/WiFi_Kit_series\" target=\"_blank\"\u003ehttps:\/\/github.com\/Heltec-Aaron-Lee\/WiFi_Kit_series\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eHeltec ESP32 Extension Libraries (LoRa\/LoRaWAN, Sensors, etc.): \u003ca rel=\"noopener\" href=\"https:\/\/github.com\/HelTecAutomation\/Heltec_ESP32\" target=\"_blank\"\u003ehttps:\/\/github.com\/HelTecAutomation\/Heltec_ESP32\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/Y0ED7H8fIQE?si=9wABHyevOcVIvuIx\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Heltec","offers":[{"title":"Default Title","offer_id":54845860643107,"sku":"WiFi-Lora32v4","price":75.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8952\/4003\/files\/Heltec-WiFi-Lora-v4-3.png?v=1773914032","url":"https:\/\/ozhack.com\/products\/wifi-lora-32-v4-902-928-mhz-band-with-case","provider":"OzHack","version":"1.0","type":"link"}