{"product_id":"hamgeek-u7v4-p-145-435mhz-portable-uhf-vhf-dual-band-satellite-yagi-antenna-for-ham-radio","title":"HamGeek U7V4-P 145-435MHz Portable UHF VHF Dual-Band Satellite Yagi Antenna for Ham Radio","description":"\u003cp\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003cbr\u003e- Precise dual-band coverage: Expertly tuned for optimal performance on the core amateur radio UV bands (VHF 144-148MHz \u0026amp; UHF 430-440MHz). Ideal for satellite communication (SATCOM), ham radio QSOs, and critical outdoor emergency communication scenarios.\u003cbr\u003e- High gain \u0026amp; low VSWR: Features an integrated cross-shaped structure with 4 VHF and 7 UHF elements, delivering exceptional signal gain (7dBi VHF, 11dBi UHF) and a low voltage standing wave ratio (VSWR ≤1.5) for strong, stable, and clear signal transmission.\u003cbr\u003e- Tool-free quick assembly: Get operational in under 3 minutes. The full quick-release design with hand-tightened screws requires no tools. The main beam has clear frequency markings for fast and precise positioning, perfect for rapid deployment in the field.\u003cbr\u003e- Lightweight and durable: The main beam employs a hollow design, achieving a perfect balance between structural strength and minimal weight. The entire antenna weighs just 440g (0.97 lbs), offering outstanding portability and durability for mobile use.\u003cbr\u003e- Plug and play compatibility: Equipped with a standard SO-239 (Female M SL16-KY) connector, it directly interfaces with most ham radios, walkie-talkies, mobile transceivers, and satellite receivers without the need for additional adapters.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eUnleash Your Communication Potential with a Professional-Grade Dual Band UV Antenna:\u003c\/b\u003e\u003cbr\u003e- Are you a ham radio enthusiast, a satellite communication explorer, or in need of reliable gear for emergency preparedness? The 5-Star Dual Band Antenna is engineered to meet your demands. It combines high performance, portability, and user-friendly operation, redefining what you can expect from mobile communication.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eEngineered for Superior Performance:\u003c\/b\u003e\u003cbr\u003e- Optimized Cross Structure: This antenna integrates 4 VHF and 7 UHF elements into a precise, lightweight octagonal framework. This innovative design ensures maximum signal capture across both key amateur radio bands.\u003cbr\u003e- Advanced Gamma Matching: Utilizes gamma matching technology to optimize impedance efficiency and significantly reduce signal reflection. This results in a low VSWR and more of your radio's power being radiated effectively as a clear, strong signal.\u003cbr\u003eRobust Power Handling: Safely handles up to 50W of power in FM mode, making it suitable for a wide range of mobile and fixed station applications.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eDesigned for Portability \u0026amp; Ease of Use:\u003c\/b\u003e\u003cbr\u003e- We understand the needs of outdoor and on-the-go operation. Weighing just 440 grams, it is incredibly lightweight and packs down small.\u003cbr\u003e- Rapid Setup: The tool-free, quick-disassembly design allows you to assemble or dismantle the antenna in seconds using only hand-tightened screws.\u003cbr\u003e- Calibrated Installation: The main beam features clear \"V-Section (145MHz)\" and \"U-Section (435MHz)\" markings, guiding you to a precise setup every time for optimal SWR and performance.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eVersatile Application for Every Scenario:\u003c\/b\u003e\u003cbr\u003e- Amateur Satellite Communication: Precisely tuned for contacting FM satellites and receiving data from weather satellites.\u003cbr\u003e- Ham Radio Communication: Enhance your mobile or base station's signal reach and clarity for both voice and data modes.\u003cbr\u003e- Outdoor \u0026amp; Emergency Communication: Its quick-deploy capability and reliable performance make it a critical tool for ensuring communication lines are open during expeditions or disaster scenarios.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eCore Parameters:\u003c\/b\u003e\u003cbr\u003e- Frequency Range: VHF 144-148 MHz (Adjustable), UHF 430-440 MHz (Adjustable)\u003cbr\u003e- Power Handling: \u0026lt; 50W (FM mode)\u003cbr\u003e- Gain: VHF 7dBi, UHF 11dBi\u003cbr\u003e- VSWR: ≤ 1.5\u003cbr\u003e- Connector: SO-239 (Female M)\u003cbr\u003e- Weight: \u0026lt;500g\u003cbr\u003e- Length (total antenna): 115cm\u003cbr\u003e- Net weight: 440g\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage Included:\u003c\/b\u003e\u003cbr\u003e- 2 x Main Beam\u003cbr\u003e- 4 x Pair of V-Section Oscillators\u003cbr\u003e- 7 x U-Section Oscillators\u003cbr\u003e- 1 x Gamma Matching Subject\u003cbr\u003e- 2 x Gamma Matching Clamp\u003cbr\u003e- 1 x Gamma Matching Rod (110mm)\u003cbr\u003e- 1 x Gamma Matching Rod (50mm)\u003cbr\u003e- 2 x M4X25 Screws\u003cbr\u003e- 1 x Mobile Phone Clip\u003cbr\u003e- 1 x Blue Carry Bag\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/www.comseek.com\/image\/catalog\/102830\/102830-01.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/www.comseek.com\/image\/catalog\/102830\/102830-02.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/www.comseek.com\/image\/catalog\/102830\/102830-03.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/www.comseek.com\/image\/catalog\/102830\/102830-04.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/www.comseek.com\/image\/catalog\/102830\/102830-05.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/www.comseek.com\/image\/catalog\/102830\/102830-06.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/www.comseek.com\/image\/catalog\/102830\/102830-07.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/www.comseek.com\/image\/catalog\/102830\/102830-08.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/www.comseek.com\/image\/catalog\/102830\/102830-09.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/www.comseek.com\/image\/catalog\/102830\/102830-10.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/www.comseek.com\/image\/catalog\/102830\/102830-11.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/www.comseek.com\/image\/catalog\/102830\/102830-12.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/www.comseek.com\/image\/catalog\/102830\/102830-13.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/www.comseek.com\/image\/catalog\/102830\/102830-14.jpg\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/www.comseek.com\/image\/catalog\/102830\/102830-15.jpg\"\u003e\u003c\/p\u003e","brand":"HamGeek","offers":[{"title":"Default Title","offer_id":41114072121393,"sku":"102830","price":84.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0578\/4790\/6353\/files\/102830.jpg?v=1783494726","url":"https:\/\/www.thanksbuyer.com\/ja\/products\/hamgeek-u7v4-p-145-435mhz-portable-uhf-vhf-dual-band-satellite-yagi-antenna-for-ham-radio","provider":"Thanksbuyer Online,SDR Radio, Testers and Measurement devices, Astronomy products,  Audio Amplifer and Decoders","version":"1.0","type":"link"}