Tram® 200W 410–490 MHz Quarter-Wave Antenna w/ NMO Mount

Tram® 200-Watt Pretuned 410–490 MHz Quarter-Wave Antenna – NMO Mount, Black Nut-Type Base

The Tram® pretuned quarter-wave antenna is a durable, high-performance solution for UHF communications in the 410–490 MHz range. With a 200-watt power handling capacity and NMO mounting base, this antenna is designed for commercial, public safety, and amateur radio systems. The black nut-style base offers a low-profile, weather-resistant finish and solid mechanical contact for consistent signal transfer in mobile installations.

Specifications:

• Frequency Range: 410 MHz – 490 MHz (pretuned)

• Power Rating: Up to 200 Watts

• Antenna Type: Quarter-wave vertical monopole

• Mounting Base: NMO (New Motorola style), black nut-type

• Connector Type: Requires compatible NMO mount with coax (sold separately)

• Color: Black base with stainless whip

• Height: Approx. 6–7 inches

• Use Cases: Public safety, commercial UHF, GMRS, amateur radio (70cm band)

Features:

• Pretuned for optimal VSWR in 410–490 MHz range

• Rugged black nut base for weather-resistant performance

• Quarter-wave design offers broad bandwidth and ground-plane mounting

• Compatible with standard NMO mounts on vehicles or enclosures

• Great for high-power mobile and fixed UHF applications

Designed for serious UHF users, this antenna combines ease of install with reliable, wide-range performance in professional environments.