Board: LILYGO® TTGO T-SIM7000G Module ESP32-WROVER-B Chip WiFi Bluetooth 18560 Battery Holder Solar Charge Board Link: https://eckstein-shop.de/LILYGOTTGOT-SIM7000GModule16MB-EN
Hardware Specifications
Main chip: ESP32-WROVER-B,SIM7000G
Flash Memory: 4M Flash / 8M PSRAM
Interface: USB,SD Card,Solar Input interface
Clock frequenz: 40MHz
Button: Reset,Power switch
SIM Card Size: Nano SIM Card
Antenna: SIM Antenna,GPS Antenna
Operating Temperature Range: -40 to 85 degrees
Power Specifications
Working Voltage: 5v input
Charging Current: 780mA
Working Curent: About 200mA
Solar input voltage range: 4.4-6v
USB: TYPE-C 3.0
JST connector: 2pin 2.0MM
Battery holder: 18650 battery holder