English
GL771-3
Asialeren
8517710000
100pc
Accepted
10000pc/day
| Quantity: | |
|---|---|
| PDF Export | |
Item | Hand Held Antenna |
PN | GL771-3 |
Frequency Range (MHz) | 134-174/400-520 |
Impedance (Ω) | 50 |
V.S.W.R | <1.5 |
Gain (dBi) | 3.5/5 |
Connector | BNC/SMA |
Length-mm | 790 |
Weight | 171.5g |
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.
Item | Hand Held Antenna |
PN | GL771-3 |
Frequency Range (MHz) | 134-174/400-520 |
Impedance (Ω) | 50 |
V.S.W.R | <1.5 |
Gain (dBi) | 3.5/5 |
Connector | BNC/SMA |
Length-mm | 790 |
Weight | 171.5g |
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.
