If you have any issue when using our product,or you need product use documentation, please contact us directly for assistance. This GPS antenna draws about 10mA and will give you an additional 28 dB of gain. It's got a 5 meter long cable so it will easily reach wherever you need it to Cable length 3 meters(About 9., 5 inch),Gain: ≥33., 0dB , Beidou frequency: 1561., 098±5MHz,GPS frequency: 1575., 42±5MHz GPS Active Antenna - Magnetic Mount (3 meter) - Arduino, Raspberry Pi, NodeMCU, IoT, Nvidia, Lora, AI, Machine Learning, Teensy, Lidar : Inspired by (v2 Waterproof Waterproof Active With Magnetic Base 3M Cable SMA AC-GPS-01 GPS Antenna We have always cared about the customer experience and improve the product function details. IP65 External Waterproof Active GPS Antenna for Cars w/ 28dB LNA If you want to buy match this USB GPS Module of GPS Antenna,Reference link:https://www., amazon. DC Voltage: 3V to 5V,Waterproof rating: IP65, IP67,Connectors SMA Male Plug Aerial Extension Cable, Stronger Signal