l Product color: jasper, iron-gray.
l Main material: ABS.
l Communication between a gateway and a controller: Lora.
l Communication between a gateway and a cloud: 4G-LTE (factory configuration) or 2G or NB-IOT or WIFI or LORA...
l External power supply of a gateway: 110 ~ 240VAC/9DC/2A.
A gateway built-in battery: rechargeable lithium battery 1800mAH/3.7V, 10 hours working-time without external power supply.