Enhance your GPS signal reception with this high-gain telescopic antenna, designed specifically for Garmin Astro and Alpha handheld GPS models. Crafted from durable metal, this antenna offers long-lasting performance and reliable signal stability, significantly extending the range of your device for improved tracking and navigation. Key Features: · Durable Metal Construction: Made from high-quality metal, ensuring robustness and longevity for outdoor use. · Telescopic Expandable Design: Extends from approximately 21.7 cm (8.5 inches) folded to 127 cm (50 inches) extended, allowing you to adjust the antenna length for optimal signal reception. · Compatible with Garmin Handheld GPS: Perfectly fits Garmin Astro 320, 430, 900 and Alpha 50, 100 models, providing seamless integration with your device. · Stable Signal Reception: The 3.0 dBi gain antenna operates within the VHF frequency range of 136-174 MHz, delivering a stronger and more stable signal to increase your GPS tracking range. · Easy Installation: Equipped with direct SMA connectors tailored for Garmin Astro and Alpha devices, allowing quick and hassle-free setup without complicated procedures. · Portable and Lightweight: Compact folded size and lightweight design make it easy to carry and use in the field. Specifications: · Item Type: High Gain Antenna · Material: Metal · Applicable Models: Garmin Astro 320, 430, 900; Alpha 50, 100 Handheld GPS · Folded Size: Approx. 21.7 cm / 8.5 in · Extended Size: Approx. 127 cm / 50 in · VHF Frequency Range: 136-174 MHz · Gain: 3.0 dBi Package Includes: · 1 x High Gain Telescopic Antenna This high-gain antenna is an essential accessory for Garmin Astro and Alpha handheld GPS users who require enhanced signal range and stability. Its durable metal build, easy installation, and adjustable length make it an ideal choice for outdoor enthusiasts, hunters, and professionals relying on precise GPS tracking.