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- IP67 waterproof.
- High quality louder speaker and microphone units provide clear audio communication.
- Ergonomics design,feel more comfortable.
- Sturdy plastic 360 rotating clip.
- Suitable for: HD1, RT82, RT29, RT87
1 x H103M IP67 Speaker Microphone
PTT Jitter Noise
When H103M is used with RT82, the radio transmits a clicking noise every time the PTT is released. The clicking sound is really annoying. Especially if the receiving is using earphones. :( Blank spaces on the H103M's PCB near the PTT switch indicates that "jitter filtering" -circuit was part of the design, but for some reason the components never made it into the H103M production model. A cheap 100nF capacitor + a Pull-Up resistor could easily solve the problem. Why did Ailunce / Retevis leave theese components out in the first place?