LILYGO TTGO TCall V1.3 ESP32 Wireless Module GPRS Antenna SIM Card

LILYGO TTGO TCall V1.3 ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Board Semua Produk Di Toko Kami PO Personal Pre-Order 7-10 Hari Tergantung Stok Dan Posisi Gudang. Harap Chat Terlebih Dahulu Sebelum Order Atau Anda Setuju Dengan Waktu Pre-Order Yang Kami Tetapkan Secara Default 15-Hari. Feature:Hardware Specifications ChipsetESPRESSIF-ESP32 240MHz Xtensa dual-core 32-bit LX6 microprocessorFLASHQSPI flash 4MB PSRAM 8MBSRAM 520 kB SRAMButtonResetUSB to TTLCP2104Modular interfaceUART, SPI, SDIO, I2C, LED PWM, TV PWM, I2S, IRGPIO, capacitor touch sensor, ADC, DACLNA pre-amplifierOn-board clock40MHz crystal oscillator Working voltage2.7V-3.6VWorking currentAbout 70mASleep currentAbout 300uASIM cardOnly supports Nano SIM cardWorking temperature range-40℃ ~ +85℃SizeWeight78.83mm*28.92mm*8.06mm11.77gPower Supply Specifications Power SupplyUSB 5V1ACharging current500mABattery3.7V lithium batteryJST Connector2Pin 1.25mmUSBType-CWi-Fi StandardFCCCE-REDICTELECKCCSRRCNCCProtocol802.11 bgn802.11n, speed up to150MbpsA-MPDU and A-MSDU polymerization, support 0.4S Protection intervalFrequency range2.4GHz~2.5GHz2400M~2483.5MTransmit Power22dBmCommunication distance300mbluetooth Protocolmeet bluetooth v4.2BREDR and BLE standardRadio frequencywith -97dBm sensitivity NZIF receiver Class-1,Class-2Class-3 emitter AFHAudio frequencyCVSDSBC audio frequencySoftware specification Wi-Fi ModeStationSoftAPSoftAP+StationP2PSecurity mechanismWPAWPA2WPA2-EnterpriseWPSEncryption Type AESRSAECCSHAFirmware upgradeUART downloadOTAThrough networkhost to download and write firmwareSoftware DevelopmentSupport cloud server development SDK for user firmware developmentNetworking protocolIPv4, IPv6, SSL, TCPUDPHTTPFTPMQTTUser ConfigurationAT + Instruction ID - 1527048