Hello, Joined the world of GMRS last month with the purchase of three portables, BTECH GMRS-V1, and NAGOYA NA-701C antennas. So far I am happy with their performance. Mostly going to use them for camping, the kids, and cub scouts. Currently working on installing a repeater on my home roof for better local coverage. TKR-820, Heliax 1/2 hardline, and J-pole antenna. Hope to have it up and running by next weekend. Really curious to see coverage in urban city with 20-25 ft height antenna. May upgrade J-pole antenna to DB404 antenna. Not sure yet.... Brett