The C-8 has a single zigbee radio. The difference is that the C-8's radio can either be run in zigbee mode, or be used as a Thread radio. The C-7's radio is strictly zigbee.
The C-8 has a single zigbee radio. The difference is that the C-8's radio can either be run in zigbee mode, or be used as a Thread radio. The C-7's radio is strictly zigbee.