ILYGO® TTGO T-Beam ESP32 LoRa Development Board 433MHz SX1278 GPS Module NEO-6M

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T-Beam ESP32 LoRa 433 SX1278 Wireless Module WiFi GPS NEO-6M With 0.96 inch OLED Display For Arduino. Chipset: ESP32 ISM frequencies: 433 MHz LoRa module: SX1278 Max. transmit power: +20dBm - 100mW +20dBm - 100mW Frequency stability: +/- 15KHz Interface: SPI Operating temperature: -40° / +85° RSSI digital function Automatic frequency correction Automatic gain control Fast wake-up and frequency hopping Data packet manager Antenna connector : SMA female NEO-6M GPS modules, 3V-5V power supply With integrated ceramic GPS antenna Bluetooth 4.2 module WIFI module: Configuration data backup EEPROM Signal indicator LED Battery management Power supply: Micro-USB or 18650 battery Serial chip: CH9102 Preloaded firmware : Meshtastic TTGO T-BEAM version: 1.2 Flash memory: 4MB PSRAM memory: 8MB 3 buttons : Power+IO38+Reset MCU ESP32 Flash 4MB PSRAM 8MB Serial Chip CH9102 Wireless protocol Wi-Fi + Bluetooth 4.2 PMU AXP2101 Onboard functions 3 Buttons (Power+IO38+Reset) Antenna 3D WiFi Antenna [Use by default] (Support WiFi IPEX external antenna, but you need to jump resistance) LoRa antenna GPS ceramic anten GPS NE0-6M GPS Modules: Support GPS protocol Onboard RTC crystal, Support interrupt/ wakeup LoRa Long Range Low Power LoRa Transceiver High sensitivity: -i48dBm Transceive rate: 300 kbps Optional Hardware Version: SX1278[433Mhz] / SX1276[868/915/923Mhz] Display Details OLED: 0.96 inch Driver: SSD1306 Power Supply Mode Support USB Micro/ 18650 battery holder [USB can power the battery] 433Mhz Options (OLED Not Soldered Version) 1 X T-Beam 1 X 433Mhz or 868Mhz Antenna 1 X 0.96 inch 128X64 OLED 2 X Pin