The Diamond NR22LH VHF single band antenna – Diamond NR22LH is a single band VHF mobile antenna of 144Mhz (2m) with a gain of 6.5 dB , which is more than any other 144Mhz model is a commercial-grade, ultra-high-performance vehicular communication radiator precision-engineered to maximize transmission range and secure exceptional voice clarity across the 2-meter amateur and industrial spectrums. Masterfully crafted by Diamond Antenna, a global leader in professional telecommunication hardware, this premium mobile whip features an elite optoelectronic and RF matching framework designed to deliver class-leading signal projection. It stands as an essential operational procurement asset for long-haul commercial fleets, emergency management response vehicles, public utility command rigs, and high-volume B2B radiocommunication accessory wholesale distribution networks looking to source maximum-gain VHF mobile infrastructure.
The advanced internal RF architecture of the NR22LH is optimized exclusively for the 144 MHz (2m) single band. Built as a specialized 2 x 5/8 wave phased element configuration, it compresses the radiation pattern toward the horizon to achieve an unprecedented forward radiated gain of 6.5 dB—surpassing standard mobile antennas in its frequency class to pierce through dense urban obstructions or deep rural valleys. Engineered to handle high-duty transmit cycles from high-power mobile base stations, the internal inductive network accommodates a robust maximum power of 280W FM while maintaining a highly stable nominal system impedance of 50 ohms to protect the final-stage power transistors of connected transceivers against harmful voltage reflection loops.
Constructed to endure punishing multi-season road debris, extreme atmospheric thermal cycles, and continuous high-speed highway wind shear, this heavy-duty vertical antenna stands at a total structural length of 2.46 m. Despite its impressive length, the mechanical footprint balances structural rigidity with weight distribution, registering a net structural weight of 520 g to apply minimal torque strain on heavy-duty vehicle mounts, trunk gutters, or bumper brackets. The feedpoint is terminated in a rugged, high-retention MP connector to secure low insertion loss and premium water resistance, providing a turnkey installation pipeline that guarantees immediate technical alignment and absolute field deployment readiness.
| Technical Specification Parameter | Specifications |
|---|---|
| Product Brand Designation | Diamond Antenna (Original Genuine Japanese Factory Premium Line) |
| Hardware Model Designation | NR22LH Series (Ultra-High-Gain Mobile Class) |
| Primary Component Classification | Single-Band VHF Vehicular Transceiver Mobile Antenna |
| Active Operational Waveband | 144 MHz VHF Band (2m Amateur / Commercial Fixed Allocation) |
| Antenna Radiation Element Type | 2 x 5/8 Wave Phased Coaxial Element Geometry |
| System Forward Radiated Gain | 6.5 dB Peak Focused Signal Horizontal Profile |
| Maximum Input RF Power Capacity | 280 Watts (280W) Continuous FM Transmitter Output Threshold |
| System Characteristic Impedance | 50 Ohms Nominal Transmission Line Standardization Path |
| Primary Input Feed Connector | MP Type Base Interface Plug (UHF Male Configuration) |
| Total Physical Whip Length | 2.46 Meters Extended Vertical Radiator Profile |
| Net Operational Antenna Mass | 520 grams Low-Torque Lightweight Mast Balance |
| Verified Hardware Compatibility Scope | Standard SO-239 vehicle mounts, low-loss PL259 coaxial cable assemblies, VHF mobile transceivers, and commercial fleet mounting plates |
| Primary Fleet Utility Purpose | Turnkey long-distance mobile outfitting, remote cross-terrain communication tracking, convoy dispatch range extension, and final-stage transmitter amplifier protection |
