LILYGO® TTGO T-PCIE ESP32-WROVER-B AXP192 Chip WIFI Bluetooth 2G/4G Nano Card SIM Series Composable Development Board Ha

More Information https github com Xinyuan LilyGO LilyGo T PCIE Feature Hardware SpecificationsChipsetESP32 WROVER B AXP192 Power Management ChipFLASHCP2104 16MB CH9102F 4MB CH9102F 16MB optional PSRAM 8MBSRAM 520 kB SRAMButtonPWR Power Switch ResetUSB to TTLCP2104 CH9102F optional On board clock40MHz crystal oscillator PeripheralsSIM Nano Card Slot Mini PCIE Card SlotAntennaOnboard antenna Default Working voltage2 7V 3 6VWorking currentSleep currentAbout 700maWorking temperature range 40℃ 85℃Size75 33 10 5mmWeight14 5gPower Supply SpecificationsPower Supply InputUSB 5V 1ACharging current500mABattery Input 3 7 4 2VCharge ICAXP192JST Connector2Pin 2 0mmUSBType CWi FiStandardFCC CE RED IC TELEC KCC SRRC NCC ESP32 Chip Protocol802 11 b g n 802 11n speed up to150Mbps A MPDU and A MSDU polymerization support 0 4μS Protection intervalFrequency range2 4GHz 2 5GHz 2400M 2483 5M Transmit Power22dBmCommunication distance300mbluetoothProtocolMeet bluetooth v4 2BR EDR and BLE standardRadio frequencyWith 97dBm sensitivity NZIF receiver Class 1 Class 2Class 3 emitter AFHAudio frequencyCVSDSBC audio frequencySoftware specificationWi Fi ModeStation SoftAP SoftAP Station P2PSecurity mechanismWPA WPA2 WPA2 Enterprise WPSEncryption Type AES RSA ECC SHAFirmware upgradeUART download OTA Through network host to download and write firmware Software DevelopmentSupport cloud server development SDK for user firmware developmentNetworking protocolIPv4 IPv6 SSL TCP UDP HTTP FTP MQTTUser Confi