This site contains affiliate links for which we may be compensated.
Ritron Wireless RQX-111M-BLK Ritron Wireless Intercom 2-Way$612.99
Help facilitate long range, 2-way communication with this RITRON wireless intercom. Rugged, weatherproof construction allows use outdoors, and it’s easy to install without costly trenching or wires. Model has user adjustable settings that can be completed in the field or via a PC.
You can use intercom as a stand-alone model, or powered with an external AC adapter.