Check the listing for details. Retevis MR300 GMRS Crash-proof Fiberglass Car Antenna For Mobile Car Radios. Color: Black, Condition: New. Listed at 99.99 USD. Retevis MR300 GMRS Crash-proof Fiberglass Car Antenna for Mobile Car Radios Retevis MR300 is the high gain mobile GMRS antenna, specifically tuned for 462MHz frequencies on the GMRS and designed for mobile GMRS two-way radios. Anti-collision spring base, makes the fiberglass antenna more durable and not easy to break. And the installation is firm, not easy to fall off. GMRS interface type SL16/PL259 is suitable for Retevis RA25 RB86 RA86, Fiberglass Material Compared with other car antennas, the antenna adopts fiberglass material, having a better anti-corrosion from rainwater ability and using it more durably. Spring Base By using spring base, it is efficient to avoid the antenna being damaged from impacts through bending and flexing out of the way. Easy to Install Using bolt to fix the antenna instead of suction cup side clamp, the antenna has stronger stability and is not easy to drop. Specification of MR300 Package Includes 1 X MR300 Antenna 1 X Spring base with 5 meter coaxial cable 1 X Black bracket 2 X U-Bolt 1 X FME to SL16.J adapter About us