shamil
Member
Is a 2m/70cm mag-mount antenna a good choice for GMRS? Any other suggestions?
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GMRS antenna?
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No, it is tuned for 144-148Mhz and 440-450Mhz. An antenna specifically tuned for 462-468MHz will perform better. There are lots of options out there. Larsen, Sinclab, Maxrad and Pctel are just a few of the manufacturers out there that make antennas for what you are looking for.
No, it is tuned for 144-148Mhz and 440-450Mhz. An antenna specifically tuned for 462-468MHz will perform better. There are lots of options out there. Larsen, Sinclab, Maxrad and Pctel are just a few of the manufacturers out there that make antennas for what you are looking for.
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Where would you buy antennas that not for scanning or ham radio? Like MURS,GMRS antennas?
If the antenna is adjustable, then an antenna designed for 70 cm might be OK. You might need to physically cut the antenna element to get it short enough to be efficient at 462-468 MHz.
They are all over Ebay.
There are dozens of mail order/internet order places for two way radio and accessories. Most places that cater to hams will have antennas and such for other frequency ranges.
Any two way radio dealer will have them, probably in stock.
If you have an account with Motorola Online, you can order direct from them.
If its for a mobile application the comet SSB-2 dual bander tunes up fine on 2 meters and 440-470 MHz right out of the bag. All I did was put it on the mount and measure the SWR. The SWR doesn't get above 1.5 or so until you hit 470 MHz, it's 1:1 from 440-455MHz then starts to slowly creep up after that. It's a great little antenna. I use it trunk lip mounted with an NMO mount from Laird. It also receives quite well up into the 500MHz T-band if you need that.
willgrah
Member
Most antenna's best suited for GMRS are advertised in the 450-470 mhz range, still need a little tuning. I cut mine for 465 mhz. But that being said if you have the antenna put it on a good meter at GMRS frequencies, like Skypilot007 mentioned it might surprise you. I have the oposite situation as him with my base antenna. It is cut for GMRS/MURS but does just fine down to 440 and 2 Meter. Maybe not the ultimate best at those ranges but good enough to keep me from spending more money or mounting a second antenna.
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