VK172 USB GPS Receiver Dongle Adapter USB GPS receiver: The VK172 USB GPS Receiver Dongle Adapter is a reliable GPS satellite receiver that can be easily connected to your device via USB. Builtin smart antenna: Equipped with a builtin satellite receiver antenna, the VK172 provides strong and stable GPS/GLONASS signal reception, delivering accurate positioning and reliable navigation. Wide compatibility: Compatible with maps and ucenter, this GPS receiver dongle is suitable for a variety of uses including car navigation, car alarm, tracking, security systems, positioning, surveying, and agricultural applications. Precise positioning: With a receiving frequency band of L1 42MHz and 56 tracking channels, the VK172 delivers reliable and precise positioning information. It also supports DGPS (WAAS, EGNOS, and MSAS) for even higher accuracy. Use scenarios: Invehicle navigation and fleet management: provides accurate location data to support navigation and vehicle tracking. Security and asset tracking: integrates with security systems and monitoring to locate and safeguard assets. Field surveying and agricultural mapping: enables precise positioning for surveying tasks and crop field mapping.