Designed standalone installations in environments where grid power is not available.
Inbuilt LiPo battery can power the device and external sensors for hours, and there are provisions to connect a 6V Solar panel to enable charging.
The device has WiFi connectivity as standard and GSM/LTE , NB-IoT, LoRa can be ordered as options. Which makes it the perfect standalone sensor node, which can also be a gateway
https://norvi.lk
https://norvi.lk/products

Highlights
ESP32-WROOM32 SoC inside
GSM/LTE , NB-IoT , LoRa Expansions supported
Integrated solar charging
Built-in LiPo battery
12V output to power external sensors upto 100mA
Flexible I/O Combinations
IP67 Rated Enclosure
I/O Configurations
EC-M11-BC-C1
1 x Digital Input
2 x Analog inputs (0 – 10V DC)
1 x 12V 100mA Output (switchable)
EC-M11-BC-C2
2 x Digital Input
1 x 12V 100mA Output (switchable)
EC-M11-BC-C3
1 x LoadCell input
EC-M11-BC-C4
1 x Thermocouple input (K-type)