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 updated the firmware and software

Ailunce HD1 updated the firmware and software. Have you updated your radio? The firmware from the Version V1.45 to V1.46. You can download the latest firmware V1.46 here :http://www.retevis.com/hd1-resources/ Firmware V1.46 1. Add “Delete All” in Message. 2. Can show zone name, but only display 7 characters. 3. Support to set GPS information via radio…

Frequently Asked Questions about Ailunce HD1

Frequently Asked Questions about Ailunce HD1   Where can find HD1 software & firmware? Please download HD1 Resources from this official link: http://www.retevis.com/HD1-resources/ Can I transfer RT82 codeplug to HD1. Of course not. HD1 codeplug is tw format, but RT82/RT3 codeplug is rdt format. They are incompatible. I downloaded the programming software for the HD1…

Retevis RT80

Retevis RT80 UHF DMR Radio for new Amateurs

The Retevis RT80 is a DMR handheld walkie-talkie designed on the basis of Time Division Multiple Access (TDMA) technology. It supports three modes: digital, analog and digital-analog mixed and is compatible with existing conventional analog and DMR-based walkie-talkies. Retevis RT80 is working at UHF 400-480MHz, 999 channels, transmit power of 5W, vocoder type AMBE ++,…