The Diamond MC203B is a professional-grade, high-gain UHF mobile antenna engineered for exceptional performance in vehicular installations operating within the 460 to 490 MHz frequency range. Specifically designed for commercial land mobile radio, public safety, and specialized UHF communications, this antenna delivers outstanding signal propagation and mechanical durability. The lower base section terminates in a standard MP (PL-259 compatible male profile) RF connector, facilitating a direct, vibration-resistant connection to standard heavy-duty vehicle mounts.
The electrical design of the MC203B features a highly efficient 2 x 5/8 wave collinear configuration. This stacked element design compresses the radiation pattern toward the horizon to achieve a high gain of 5.5 dB, significantly boosting transmission range and reception clarity in challenging mobile environments. It supports high-power mobile transceivers with a maximum power rating of up to 200W. Physically, the antenna has an adjustable length ranging from 86 cm to 97 cm for precise frequency trimming and tunes, while maintaining a sleek, lightweight profile of only 210 g to minimize mechanical strain on your vehicle’s mounting bracket.
Key Features
- Optimized UHF mobile operation across the 460-490 MHz frequency spectrum.
- High-efficiency 2x 5/8 wave collinear structure providing a substantial 5.5 dB of gain.
- Supports high-power mobile transceiver installations with up to 200W power handling.
- Standard MP base connector for seamless integration with standard mobile coaxial mounts.
- Lightweight and aerodynamic design to prevent mast deflection at highway speeds.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Diamond Antenna |
| Model Designation | MC203B |
| Antenna Type | UHF Mobile Antenna |
| Operating Frequencies | 460 – 490 MHz |
| Electrical System Type | 2 x 5/8 wave |
| System Gain Metric | 5.5 dB |
| Maximum Power Rating | 200 W |
| Base Connector Type | MP (PL-259 compatible male profile) |
| Total Length | 86 – 97 cm (adjustable/tunable) |
| Net Weight | 210 g |
Package Content
- 1x Diamond MC203B UHF Mobile Antenna Whip Assembly