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Yagi dual-band VHF/UHF...
The GH-U7V4 is a compact and portable Yagi...
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Yagi dual-band VHF/UHF 144-148 MHz & 430-440 MHz high gain portable satellite antenna
No review at the momentThe GH-U7V4 is a compact and portable Yagi directional antenna designed for handheld use or on a lightweight tripod. It optimizes reception and transmission on VHF and UHF bands while offering excellent directivity for signal searching or satellite communications.
- Ultra-light portable design for field use
- Directional Yagi format for optimal gain
- Multiband coverage including Aviation band, VHF and UHF
- Removable elements for easy transport
- Ideal for beacon searching, software radio (SDR) and LEO satellite communications
Comes with: GH-S180 antenna body, radiating elements, connection cable, user manual.
Data sheet
- Precise Directivity: Allows for accurate pointing towards a signal source or a moving satellite.
- Spectral Versatility: Effectively covers VHF and UHF frequencies, including emergency services and aviation.
- Portability: Quickly disassembles to fit in a tactical backpack.
- High Gain: Offers higher gain than traditional whip antennas to reach distant relays.
- Robust Construction: Materials selected to withstand frequent handling in the field.
Technical Specifications
- Type: Portable Directional Yagi Antenna
- Frequency Bands: VHF (136-174 MHz), UHF (400-470 MHz), Aviation (108-136 MHz in reception)
- Connectivity: Standard RF connector (BNC or SMA type depending on version)
- Material: Aluminum alloy and high-density polymers
- Weight: Ultra-light to avoid fatigue during prolonged handheld use
- Usage: Portable, terrestrial and satellite
Compatibility
- VHF/UHF Walkie-talkies (Anytone, Yaesu, Icom, Kenwood, Baofeng)
- SDR Receivers (RTL-SDR, Airspy, SDRPlay)
- Broadband receivers and scanners
- Portable QRP transceivers (Guohe Q900, PMR-171, TBR-119)
FAQ
Can I use this antenna for amateur radio satellites?
Yes, its directivity and lightness make it ideal for tracking LEO (Low Earth Orbit) satellites in VHF and UHF.
Is the antenna rain resistant?
It is designed for temporary outdoor use. It is recommended to dry it after use before storage.
Is it compatible with a standard photo tripod?
Yes, it generally has a mounting point that allows it to be stabilized on an external support.
Do I need to adjust the antenna (SWR) before use?
The antenna is pre-set for standard amateur and professional radio bands, ensuring low SWR (Standing Wave Ratio) right from assembly.
What is the advantage over a telescopic antenna?
Unlike an omnidirectional antenna, the GH-S180 focuses energy in one direction, significantly increasing range and reducing side noise.
Why choose the Guohe GH-S180?
- Guohe Expertise: Designed by a specialist in tactical and portable radio equipment.
- Performance/Size Ratio: The best compromise to increase range without the burden of a fixed installation.
- Easy Assembly: Intuitive assembly in less than two minutes without specific tools.
- Reliability: High-quality connectors and radiating elements ensure consistent performance.
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Shipped from France
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14 days to return, 2 warranty
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