communications

An upgrade is underway to replace the Airwave system used by public services, such as the police, fire and ambulance services. It is called the Emergency Services Network and has been in development for a number of years. From gov.uk...

Here's an interesting look from Dad Rail on YouTube at the GSM-R radio used by the train services in the UK. And here is another video, from Ringway Manchester, talking about the old system and the upgraded one.

UK fire and rescue services mostly use MOTOTRBO DMR for their on-scene radio communications - a rare few still using analogue at this time. Their published frequencies, frequencies that they have publicly listed online, are below: DIGITAL CHANNEL FREQUENCY COLOUR CODE TIMESLOT TALKGROUP...