What end device classes are supported by the RM186/RM191?

LoRaWAN defines three device classes for end devices. Currently, the RM186/RM191 only support class A. Class A: Battery powered devices Most energy efficient Must be supported by all devices Downlink only available after uplink TX Class B: Battery Powered Actuators Energy efficient with latency controlled downlink Slotted communication synchronised with a beacon Class C: Mains Powered Actuators Devices that can afford the power required to listen continuously No latency for downlink communications