HamGeek GH-U7V4-P Adjustable Dual Band Yagi Antenna VHF UHF 145/435MHz for Satellite Ham Radio
Description: Unleash Your Communication Potential with a Professional-Grade Dual Band UV Antenna * Are you a ham radio enthusiast, satellite communication explorer, or looking for reliable equipment for emergency communication? The HamGeek Dual Band Antenna is designed to meet your needs. Combining high performance, portability, and easy operation, it delivers a new level of mobile communication experience. Engineered for Superior Performance * Optimized Cross Structure: This antenna features a precise and lightweight octagonal structure integrating 4 VHF elements and 7 UHF elements. The innovative design helps achieve effective signal reception across both major amateur radio bands. * Advanced Gamma Matching: Using gamma matching technology, this antenna optimizes impedance efficiency and reduces signal reflection. The result is a lower VSWR, allowing more of your radio power to be effectively transmitted as a clear and strong signal. * Robust Power Handling: With support for up to 50W power handling in FM mode, this antenna is suitable for various mobile and fixed station applications. * Portable and Easy to Use: Designed for outdoor and mobile operation, this antenna weighs only 440 grams, offering lightweight portability and convenient storage. * Rapid Setup: The tool-free quick-disassembly design allows the antenna to be assembled or disassembled within seconds using only hand-tightened screws. * Calibrated Installation: The main beam includes clear V-Section (145MHz) and U-Section (435MHz) markings, guiding users to the correct element positioning for optimized SWR and performance. Versatile Applications for Different Scenarios This antenna is suitable for a variety of communication needs: * Amateur Satellite Communication: Precisely tuned for FM satellite communication and weather satellite data reception. * Ham Radio Communication: Improve signal range and clarity for mobile or base station communication in both voice and data modes. * Outdoor & Emergency Communication: With quick deployment capability and reliable performance, it helps maintain communication during outdoor activities, expeditions, or emergency situations. Features: * Precise Dual-Band Coverage: Expertly tuned for premium performance on core amateur UV bands (VHF 144-148MHz & UHF 430-440MHz). It is perfect for satellite communication (SATCOM), amateur radio QSOs, and emergency field deployment. * High Gain & Low VSWR: Engineered with an integrated cross-shaped structure featuring 4 VHF and 7 UHF elements. It delivers exceptional signal gain (7dBi VHF/11dBi UHF) and a low VSWR (≤1.5), ensuring strong, stable, and clear signal transmission. * Tool-Free Quick Assembly: Ready for operation in under 3 minutes. The full quick-release design features hand-tightened screws for tool-less setup. The main beam includes clear frequency markings for rapid, precise positioning in the field. * Lightweight & Heavy-Duty: The hollow main beam achieves an optimal balance between structural integrity and minimal weight. Weighing only 440g (0.97 lbs), this durable antenna offers ultimate portability for mobile and outdoor operations. * Plug-and-Play Compatibility: Equipped with a standard SO-239 (Female M SL16-KY) RF connector. It seamlessly connects to most ham radios, walkie-talkies, mobile transceivers, and satellite receivers without requiring extra adapters. Technical Specifications: * Frequency Range: VHF 144-148MHz (Adjustable), UHF 430-440MHz (Adjustable) * Power Handling: < 50W (FM Mode) * Gain: VHF 7dBi, UHF 11dBi * VSWR: ≤ 1.5 * Connector: SO-239 (Female M) * Weight: < 500g * Total Antenna Length: 115cm/45.3in Packing List: * 2 x Main Beams * 8 x V-Section Elements * 7 x U-Section Elements * 1 x Gamma Matching Component * 2 x Gamma Matching Clamps * 1 x Gamma Matching Rod (110mm/4.3in) * 1 x Gamma Matching Rod (50mm/2.0in) * 2 x M4 x 25 Screws * 1 x Mobile Phone Clip * 1 x Blue Carry Bag Packaging Details: * Volume weight: 3kg