MURS or the Multi Use Radio Service is a license free radio service designated by the FCC for short range business and family communications. MURS has five channels in the 151 – 154 VHF MHz range that can be used. MURS has some distinct features that makes it very useful for a wide variety of communications:
- No license is needed for MURS communications
- Voice or data can be transmitted on the MURS frequencies
- 2 watt transmitter power limit for base and handheld communications, but no limit to antenna gain
- You can attach external antennas to a MURS radio, like the MURS J-Pole antenna.
- Antennas must have a max height of 20 feet.
- There are a wide variety of MURS radios available, like the popular Motorola RDM2020 handheld unit.
The best thing about MURS is that it is license free, so you can hand just about anyone a MURS programmed radio and not worry about the user having a FCC license.
What types of activities or groups are using MURS radios? MURS is great for search and rescue operations, coordinating volunteers at parades and community events, business operations and facilities, and personal communications. The radios are inexpensive and the MURS band is relatively uncongested, so it makes a great choice when other radio services may be loaded with communications.
Since MURS radios can use external antennas, but the antennas are limited to a 20 foot height, you’ll want to select a high performance antenna to maximize your signal range. The MURS J-Pole antenna is a great choice as it is lightweight, affordable, and very sensitive. The antenna’s wide bandwidth covers the entire MURS frequency range and the low noise floor will easily pick out a weak signal from a distant MURS station. Mounted at the 20 foot height, you can ideally expect a 5-10 mile range with your MURS radios, although surrounding buildings and terrain may affect performance.
Need more information about the Multi Use Radio Service to determine if its a right choice for your needs? Check out this MURS resource.
I would like to put a mag mount antenna on my truck roof for my dakota alert murs hh radio,do you know of an adapter to replace its take off antenna so I can hook up the roof antenna? I can’t seem to find it any place else(including the dakota alert people). thanks much,r.cox
Randall, I’ve seen pictures of the Dakota Alert handheld and read the specs for the radio, but I’ve not been able to ascertain what connector the radio uses. I would guess if it wasn’t a BNC (twist lock style connector), then it would be some type of SMA connector. You would need an SMA to SO-239 adapter to use the radio with a mag mount mobile whip antenna. Radio Shack may have what you need, otherwise Tower Electronics (www.pl-259.com) is a good source for adapters.
I hope this helps you out, Michael
Those radios utilize antennas with an M4x.7 stud. You’ll find antennas with this connection/stud , but not for the MURS frequencies. I know because I’ve search high and low.