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2pcs LILYGO TTGO T-Call V1.3 ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Board
2pcs LILYGO TTGO T-Call V1.3 ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Board
2pcs LILYGO TTGO T-Call V1.3 ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Board
2pcs LILYGO TTGO T-Call V1.3 ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Board
2pcs LILYGO TTGO T-Call V1.3 ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Board
2pcs LILYGO TTGO T-Call V1.3 ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Board
2pcs LILYGO TTGO T-Call V1.3 ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Board
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2pcs LILYGO TTGO T-Call V1.3 ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Board - China

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Description

Main Features

Feature:

Hardware Specifications 
ChipsetESPRESSIF-ESP32 240MHz Xtensa® dual-core 32-bit LX6 microprocessor
FLASHQSPI flash 4MB / PSRAM  8MB
SRAM 520 kB SRAM
ButtonReset
USB to TTLCP2104
Modular interfaceUART, SPI, SDIO, I2C, LED PWM, TV PWM, I2S, IRGPIO, capacitor touch sensor, ADC, DACLNA  pre-amplifier
On-board clock40MHz crystal oscillator 
Working voltage2.7V-3.6V
Working currentAbout 70mA
Sleep currentAbout 300uA
SIM cardOnly supports Nano SIM card
Working temperature range-40℃ ~ +85℃
Size&Weight78.83mm*28.92mm*8.06mm(11.77g)
Power Supply Specifications 
Power SupplyUSB 5V/1A
Charging current500mA
Battery3.7V lithium battery
JST Connector2Pin 1.25mm
USBType-C
Wi-Fi 
StandardFCC/CE-RED/IC/TELEC/KCC/SRRC/NCC
Protocol802.11 b/g/n(802.11n, speed up to150Mbps)A-MPDU and A-MSDU polymerization, support 0.4μS Protection interval
Frequency range2.4GHz~2.5GHz(2400M~2483.5M)
Transmit Power22dBm
Communication distance300m
bluetooth 
Protocolmeet bluetooth v4.2BR/EDR and BLE standard
Radio frequencywith -97dBm sensitivity NZIF receiver Class-1,Class-2&Class-3 emitter AFH
Audio frequencyCVSD&SBC audio frequency
Software specification 
Wi-Fi ModeStation/SoftAP/SoftAP+Station/P2P
Security mechanismWPA/WPA2/WPA2-Enterprise/WPS
Encryption Type AES/RSA/ECC/SHA
Firmware upgradeUART download/OTA(Through network/host to download and write firmware)
Software DevelopmentSupport cloud server development /SDK for user firmware development
Networking protocolIPv4, IPv6, SSL, TCP/UDP/HTTP/FTP/MQTT
User ConfigurationAT + Instruction set, cloud server, android/iOSapp
OSFreeRTOS

More Information: 

Package includes:


2 x T-Call V1.3
2 x Power cord
4 x Pin header
2 x GPRS antenna (9cm)














Specification

Type
Voltage Regulator
Condition
New
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2pcs LILYGO TTGO T-Call V1.3 ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Board

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