High Gain SMA connector Dual Band communication Antenna

Product Introduction

Superior Gain Performance:Offers 3.5dBi gain in the VHF band and a high gain of 5dBi in the UHF band, improving signal strength by over 40% compared to conventional antennas, significantly extending communication distance and coverage.

Professional-Grade Extended Length Design:Utilizes an optimized 790mm length to fully exploit the performance potential of both bands. Precisely calculated physical dimensions achieve optimal resonant characteristics, ensuring maximum signal transmission efficiency.

Wide-Band Precision Tuning:Maintains excellent performance in both the 134-174MHz VHF and 400-520MHz UHF bands, covering multiple application bands including professional communications, emergency rescue, and amateur radio.

Rugged Heavy-Duty Construction Design:Weighing only 171.5g, the reinforced structure, using military-grade materials and precision manufacturing processes, ensures stable electrical performance and mechanical reliability even in harsh environments.

Dual-Interface Universal Compatibility:Equipped with both BNC and SMA standard interfaces, it meets the connection needs of various devices, providing professional users with flexible device adaptation solutions.

Application Scenarios

●Long-distance Emergency Communication: Emergency scenarios requiring ultra-long-distance communication, such as disaster relief and mountain search and rescue.

●Professional Field Exploration: Long-distance communication support for outdoor operations such as geological exploration and forestry surveys.

●Border Patrol Communication: Long-distance communication needs for border patrols and coast guard operations.

●Amateur Radio Competitions: Long-distance communication competitions and experimental applications for amateur radio.

●Communication in Remote Areas: Communication enhancement in areas with weak signal, such as mountains, deserts, and oceans.

FAQ

Q: What makes the GL771-3 different from standard antennas?

A: With 3.5dBi VHF gain and 5dBi UHF gain, it provides significantly better performance than standard antennas, especially for long-range communications.

Q: Why is the antenna 790mm long?

A: The length is optimized to achieve high gain performance across both frequency bands, ensuring optimal signal transmission and reception.

Q: What frequency ranges does it cover?

A: It covers 134-174MHz (VHF) and 400-520MHz (UHF). bands.

Q: What connectors are available?

A: It provides both BNC and SMA connectors for maximum compatibility.

Q: Is the weight of 171.5g suitable for handheld use?

A: While heavier than standard antennas, the weight is balanced and manageable for professional handheld use, providing the trade-off for superior performance.

Q: What is the V.S.W.R performance?

A: V.S.W.R is maintained below 1.5 across both operating bands.