HamGeek U7V4-P 145-435MHz Portable UHF VHF Dual-Band Satellite Yagi Antenna for Ham Radio

Key Features: - Precise dual-band coverage: Expertly tuned for optimal performance on the core amateur radio UV bands (VHF 144-148MHz & UHF 430-440MHz). Ideal for satellite communication (SATCOM), ham radio QSOs, and critical outdoor emergency communication scenarios. - High gain & 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. - 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. - 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. - 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. Unleash Your Communication Potential with a Professional-Grade Dual Band UV Antenna: - 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. Engineered for Superior Performance: - 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. - 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. Robust 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. Designed for Portability & Ease of Use: - We understand the needs of outdoor and on-the-go operation. Weighing just 440 grams, it is incredibly lightweight and packs down small. - Rapid Setup: The tool-free, quick-disassembly design allows you to assemble or dismantle the antenna in seconds using only hand-tightened screws. - 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. Versatile Application for Every Scenario: - Amateur Satellite Communication: Precisely tuned for contacting FM satellites and receiving data from weather satellites. - Ham Radio Communication: Enhance your mobile or base station's signal reach and clarity for both voice and data modes. - Outdoor & 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. Core Parameters: - Frequency Range: VHF 144-148 MHz (Adjustable), UHF 430-440 MHz (Adjustable) - Power Handling: < 50W (FM mode) - Gain: VHF 7dBi, UHF 11dBi - VSWR: ≤ 1.5 - Connector: SO-239 (Female M) - Weight: <500g - Length (total antenna): 115cm - Net weight: 440g Package Included: - 2 x Main Beam - 4 x Pair of V-Section Oscillators - 7 x U-Section Oscillators - 1 x Gamma Matching Subject - 2 x Gamma Matching Clamp - 1 x Gamma Matching Rod (110mm) - 1 x Gamma Matching Rod (50mm) - 2 x M4X25 Screws - 1 x Mobile Phone Clip - 1 x Blue Carry Bag