These are narrow-band channels (
are high-fidelity wide-band (10 kHz deviation) specifically for Comtek’s companded receivers. 72–76 MHz Series comtek frequency chart
If you work in assisted listening, live theater, broadcast interpretation, or corporate AV, you have likely heard of Comtek. For decades, Comtek has been the gold standard for wireless assistive listening systems, particularly in the United States. However, one of the most common pain points for users and engineers alike is navigating the RF (radio frequency) spectrum to find a clean channel. These are narrow-band channels ( are high-fidelity wide-band