Features 1、Enhanced Positioning Accuracy: Boosts GPS and BD signal reception for accurate and reliable positioning, ensuring better navigation for your driving. 2、Superior Signal Stability: With 28dBi Gain, this antenna significantly improves signal strength, providing a stable and consistent signal. 3、Weatherproof Durability: Designed to withstand harsh outdoor conditions, this antenna is waterproof and built to last, ensuring reliable performance even in challenging environments. 4、Simple Setup: The antenna comes with a 3 meter long RG174 cable, making installation quick and easy, saving you time and effort. 5、Broad Compatibility: Perfect for use with intelligent transportation IoT and wireless modules, this antenna is compatible with a wide range of devices, offering versatility and convenience. Specification Item Type: BD GPS Antenna Material: ABS, Copper, Rubber Voltage: 2.7-5V Frequency Range: 1561-1575.42MHz Gain: 28dbi ± 0.5dbi Standing Wave Ratio: ≤2.0 Impedance: 50ohm Antenna Connector Model: SMA male connector. Joint Outer Diameter: Approx. 13mm / 0.51in Line Length: Approx. 3meter / 9.84ft, RG174. Application: For Bus for Beidou module, intelligent transportation for Internet of Things, wireless module matching antenna, SMA interface male connector, black rubber sleeve antenna. Package List 1 x BD GPS Antenna