The HC202 operated on the 863–865 MHz frequency range. Unlike modern Bluetooth headphones, which require a "pairing" process and line-of-sight or close proximity, RF headphones functioned more like a radio. The base station transmitted a signal, and the headphones received it, much like a walkie-talkie or a baby monitor. This technology offered distinct advantages and disadvantages, which defined the user experience of the HC202.
: Ensure the transmitter is connected to a live audio source and the headphones are powered on with charged batteries. If the audio source volume is too low, the transmitter may automatically turn off to save power. Audio Distortion philips sbc hc202
Philips focused on long-form domestic use—specifically late-night movie watching or private music listening without disturbing others. The HC202 operated on the 863–865 MHz frequency range
PHIL-HC202-ASSY-01 Applicable to: Philips SBC HC202 (all production variants) and the headphones received it