Reddit reviews Comtek RC-216 Receive-A-Cue System, Includes M-216 Transmitter, PR-216 Receiver, CM-183 RT Mic, NTC-102 Neckloop, IR-230D Earpiece Receiver, BC-216 Belt Clip
We found 1 Reddit comments about Comtek RC-216 Receive-A-Cue System, Includes M-216 Transmitter, PR-216 Receiver, CM-183 RT Mic, NTC-102 Neckloop, IR-230D Earpiece Receiver, BC-216 Belt Clip. Here are the top ones, ranked by their Reddit score.
Either this https://www.amazon.com/dp/B008ZT8K1Y (ear radio).
or the transmitter for a lapel mic.