LoRa device classes explained

LoRaWAN categories LoRa devices into categories 1. Basic Category – Class A devices 2. Optional Features – Class B and Class C devices
Class A Devices
These are bidirectional end devices. Device send uplink data and waits for two consecutive short intervals for downlink. Device determines the transmission interval. Ideally, interval should be decided considering the optimal duty cycle in mind (which is approximately 1%). This makes Class A device the most power efficient devices, as they can decide to be in a dormant state for long period