What is the CTCSS and DCS?

What is the CTCSS and DCS? In telecommunications, CTCSS and DCS are systems used to reduce the annoyance of listening to other users on a shared two-way radio communications channel. What’s the CTCSS? CTCSS is Continuous Tone Coded Squelch System. It does this by adding a low frequency audio tone to the voice. Where more than one group…

Ailunce HD1 feature summary

HD1‘s feature Summary on this article. Ailunce HD1, the famous DMR amateur radio for radio amateurs. With the high power 10W makes the communicate range more further. With the IP67, makes it can be used in outdoor with the wet environment. Feature Summary FPP Almost all the functions can be operated by its keyboard, we…

Ailunce HD1 Update Firmware and Software

Retevis Updated the Amateur radio Ailunce HD1‘s firmware and software. The latest version is Software v1.98 and Firmware V1.53. Software v1.98 and Firmware V1.53 changelog 1. Radio screen can display below 4 modes. Display VFO-A | VFO-B Display VFO-A | CH-B Display CH-A | VFO-B Display CH-A | CH-B 2. Add Mic Gain setting on the…