TTGO SIM7000G Module- ESP32- WROVER-B Chip -WiFi Bluetooth- 18560 Battery Holder- Solar Charge Development Board
 (TTGO) LILYGO T-SIM7000G ESP32 board  combines the ESP32 chip, the SIM7000G module, microSD card slot, battery holder, and charger on the same board.
Besides Wi-Fi and Bluetooth, you can communicate with this ESP32 board using SMS.
You can also connect it to the internet using your SIM card data plan and get GPS location.
 
SIM7000G chip adds LTE (4G), GPS, and GPRS to your board. This means that with this board you can send SMS, get location and time using GPS, and connect it to the internet using a SIM card data plan. This board doesn’t support phone calls.
Besides the SIM7000G module, the board also comes with some interesting features like a battery holder for a 18650 battery, a battery charging circuit where you can connect solar panels to recharge the battery, and a microSD card slot that can be useful for data logging projects or to save configuration settings.
Here’s a summary of the LILYGO T-SIM7000G ESP32 board features:
Supply voltage: 3.3V DC or 5V DC
ESP32 chip (WROVER-B Module) (240MHz dual-core processor)
Flash memory: 4MB
PSRAM: 8MB        SRAM: 520KB
Built-in Wi-Fi &  Bluetooth
USB to serial converter: CP2104 or CH9102 (drivers)
Built-in SIM7000G module
Built-in nano SIM card slot
Built-in SIM antenna slot &  GPS antenna slot
Built-in Li-ion/Li-Po battery charging circuit:
DW01A battery protection IC
CN3065 solar energy charging interface for 4.4-6.8V solar panel
Built-in 1x 18650 battery holder
Built-in solar panel connector 2p JST-PH
Built-in Micro SD card slot 
Built-in on/off switch
To use the capabilities of this board you need to have a nano SIM card with a data plan and a USB-C cable to upload code to the board.
The package includes an external antenna for LTE, and another antenna for GPS