【High Gain Antenna】- This is a highgain antenna of super quality, made of metal and durable. | 【Stable Signal】- The antenna receives a stable signal, which increases the range you can obtain. | 【Easy to Install】- The installation method is simple and does not require complicated procedures. | 【Applicable for】- Expandable telescopic antenna is fit for garmin astro 320 430 900 / alpha 50 100 handheld GPS. | 【Use Methods】- It comes with direct sma connectors for garmin astro and for alpha. It connects for astro/alpha through a standard sma direct connection connection.

【Portable】- 3.5-inch ultra-thin and lightweight USB external floppy disk is easy to carry, excellent for desktop and laptop computers. | 【Durable & Stylish】- High-quality floppy drive disk keeps durable and very beautiful hard plastic shell. | 【USB Port】- Powered directly from the USB port, floppy disk is without external power supply with strong anti-jamming capability. | 【Compatibility】- External floppy disk is with USB interface, which can be compatible with USB 1.1 / 2.0 / 3.0. | 【Support System】- Supported operating system is for Windows 10 / 7 / VISTA / Windows 8 / XP / ME / 2000 / SE / 98.