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select an article FAMILY RADIO SERVICE (FRS) The General Mobile Radio Service CITIZEN'S BAND RADIO Multi-Use Radio Service (MURS) PMR 446 Real Ranges for CB, FRS, GMRS and MURS Radios Getting the Best Range Personal Radio Communication Services How to ADJUST YOUR SWR on your CB radio FRS & GMRS FAQ's
GPS and Marine
select an article Marine VHF radio Global Positioning System (GPS)
HAM radio
select an article Amateur radio Global Positioning System (GPS)
select an article APCO Project 25 Terrestrial Trunked Radio (TETRA) What's the TETRA and Project 25 flap all about? Is this finally P25's year?
Trunking
select an article SmarTrunk II MAP27 Protocol & MPT1327 Trunking MPT1327 Trunked Radio Systems proving MPT1327 radio systems MOTOROLA & Trunking
LMR & PMR
select an article Is public safety ready for radio over IP? A Beginners Guide to Repeaters Mobile and Mobile-Satellite Services How Radio Scanners Work Dual Tone Multi-Frequency (DTMF) RoIP success is in the details