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2X LILYGO TTGO T-Call ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Board, US $40.99 – Picture 0
2X LILYGO TTGO T-Call ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Board, US $40.99 – Picture 0

2x Lilygo Ttgo T-call Esp32 Wireless Module Gprs Antenna Sim Card Sim800l Board

US $40.99

  • USA, United States
  • Jul 9th
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2Pcs LILYGO TTGO T-Call V1.3 ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Board Feature: Hardware Specifications   Chipset ESPRESSIF-ESP32 240MHz Xtensa® dual-core 32-bit LX6 microprocessor FLASH QSPI flash 4MB / PSRAM  8MB SRAM  520 kB SRAM Button Reset USB to TTL CP2104 Modular interface UART, SPI, SDIO, I2C, LED PWM, TV PWM, I2S, IRGPIO, capacitor touch sensor, ADC, DACLNA  pre-amplifier On-board clock 40MHz crystal oscillator  Working voltage 2.7V-3.6V Working current About 70mA Sleep current About 300uA SIM card Only supports Nano SIM card Working temperature range -40? ~ +85? Size&Weight 78.83mm*28.92mm*8.06mm(11.77g) Power Supply Specifications   Power Supply USB 5V/1A Charging current 500mA Battery 3.7V lithium battery JST Connector 2Pin 1.25mm USB Type-C Wi-Fi   Standard FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC Protocol 802.11 b/g/n(802.11n, speed up to150Mbps)A-MPDU and A-MSDU polymerization, support 0.4μS Protection interval Frequency range 2.4GHz~2.5GHz(2400M~2483.5M) Transmit Power 22dBm Communication distance 300m bluetooth   Protocol meet bluetooth v4.2BR/EDR and BLE standard Radio frequency with -97dBm sensitivity NZIF receiver Class-1,Class-2&Class-3 emitter AFH Audio frequency CVSD&SBC audio frequency Software specification   Wi-Fi Mode Station/SoftAP/SoftAP+Station/P2P Security mechanism WPA/WPA2/WPA2-Enterprise/WPS Encryption Type  AES/RSA/ECC/SHA Firmware upgrade UART download/OTA(Through network/host to download and write firmware) Software Development Support cloud server development /SDK for user firmware development Networking protocol IPv4, IPv6, SSL, TCP/UDP/HTTP/FTP/MQTT User Configuration AT + Instruction set, cloud server, android/iOSapp OS FreeRTOS More Information:  Ask seller for user manuals , files and recommended accessories Package includes: 2 x T-Call V1.3 2 x Power cord 4 x Pin header 2 x GPRS antenna (9cm)
Condition:
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller's listing for full details. ...
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