UHF Whip Antenna - NGP with Spring Base - 3dB Gain

No Ground Plane Whip Antenna UHF.  Antenna requires tuning and uses an NMO mount (3/4" hole).  Stainless steel whip with a base loaded coil. No Ground Plane required so this can be mounted pretty much anywhere.  Performance is better if mounted with a ground plane,  Ideal for plastic panels, roll bar mounts, etc. No ground plane collinear antenna. 5 dB gain with ground plane, 3 dB without ground plane. Tuning via mast trimming - trimming chart included. Mast is 35" tall prior to trimming.  450 - 470 MHz, If your mounting location provides an adequate ground plane, you can save some money with our standard UHF whip antenna.