Solis S1 WIFI + 4G Cellular Stick With SIM 4-pin for all S5 inverters and below

SOL-S1-W4G-ST (With SIM) (4-pin)        

Solis S1 WIFI + 4G Cellular Stick, SolisCloud ready, With 5 yearSIM, 4 pin for all S5 inverters and below.

Solis Data Loggers Features: 

Support WiFi and 4G communication

Status indicator, easy to display working status

RESET button, one key to send data, convenient debugging

Fault alarm, real-time monitoring Support Bluetooth nearby connection and debugging