TTGO T-Call ESP32 Wrover-E Wireless Module SIM Antenna SIM Card SIM800H GSM/GPRS Antenna for arduino

Feature: 1. the newest version ESP32. Support for REV1, wireless internet and bluetooth. 2. With lithium battery interface. The maximum charging current is 500mA. 3. Support TF card. The product is equipped with 3 cables, convenient to use. 4. 4MB flash memory, and 8MB PSRAM, bring great experience. 5. Built to strict quality control standards, design improved for more durability.

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(esp32 chip)
• 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

Package Include:

1 x TTGO T-Call ESP32 Wrover-E Wireless Module

1 x GSM/GPRS Antenna

1 x Power cable

2  X 21Pin