Chinese/Asian radio "MDC1200"
From Signal Identification Wiki
 | |
|---|---|
| Frequencies | 136 MHz,470 MHz |
| Frequency Range | 136 MHz - 470 MHz |
| Mode | FM |
| Modulation | FFSK |
| ACF | — |
| Emission Designator | — |
| Bandwidth | 16 kHz |
| Location | WORLDWIDE |
| Short Description | Many Asian borne handheld transceivers will have the menu option for a roger beep and many of them like baofengs and radtels will have a option for a roger beep called "TONE1200" and this is to mimic the sounds you would hear on analog police networks. But the thing is most radios fail to do that and it sounds more like a MPT1327 packet. |
| I/Q Raw Recording | — |
| Audio Sample | |
FrequenciesFrequencies
136-470 mhz (most dualbanders out of china come with that frequency standard)
Decoding SoftwareDecoding Software
High Speed Sound Modem https://uz7.ho.ua/packetradio.htm
Video ExamplesVideo Examples
https://www.youtube.com/shorts/Jc7LzzzXLLM (not exact signalling method but its similar)
Additional LinksAdditional Links
https://en.wikipedia.org/wiki/MPT-1327 (MPT1327 systems will send similar FFSKFast Frequency-Shift Keying packets at the end of individual transmissions like terminate link or establish link)
