Specification AudioOutputMode : Stereo Brand : Geekstory BulletPoint1 : BS-708 USB GPS Module support windows and linux system, not for android and IOS system BulletPoint2 : BS-708's chip is G7020-KT. The Receiving Format: GPS,QZSS and SBAS, and have 56 Searching Channel; Data Level: Default USB level; Data Protocol: USB, TTL or RS232, Default NMEA-0183 BulletPoint3 : You need to install the driver to use BS-708 USB GPS Module on Windows system, but it is plug and play on Linux system BulletPoint4 : This usb GPS receiver has a cable length of 2 meters, BS-708 USB GPS Module has 4M flash to save the configuration. So you don't need to reset the data when you use it next time BulletPoint5 : The product documentation link cannot be displayed. If you need technical documentation, please click “Geekstory”(you can find "Sold by Geekstory" under Buy Now button), in the new page, click “Ask a question” BulletPoint6 : Documentation you can find at the bottom of the details page - Product guides and documents: (User Manual (PDF), which contains details on how to use and links to the drivers. Color : Black CompatibleDevices : Smartphone ConnectivityProtocol : USB, TTL, RS232, NMEA-0183 ConnectivityTechnology : USB ConnectivityTechnology1 : Wi-Fi ConnectivityTechnology2 : Bluetooth ConnectivityTechnology3 : USB ControlMethod : touch ExternallyAssignedProductIdentifier1 : 010407510484 ExternallyAssignedProductIdentifier2 : 0010407510484 GpsrSafetyAttestation : 1 HasColorScreen : 1 HumanInterfaceInput : buttons Impedance : 50 ohm IncludedComponents : USB GPS Module, USB Cable IncludedComponents1 : MDA-1 AIS IncludedComponents2 : Installation hardware IncludedComponents3 : Owner's manual IncludedComponents4 : Accessories package ItemName : Geekstory BS-708 G-Mouse USB GPS Dongle Navigation Module G7020-KT Chip External GPS Antenna with 4M Flash USB GPS Receiver for Raspberry Pi Linux Windows 7 8 10 ItemPackageDimensions_Height : 17.5 centimeters ItemPackageDimensions_Length : 1.8 centimeters ItemPackageDimensions_Width : 10.5 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : gps-antennas Manufacturer : Geekstory MapType : Road Material : Plastic MaximumRange : 5 meters MemoryStorageCapacity : 4 MB ModelName : BS-708 ModelNumber : MDA-1 ModelYear : 2021 MountingType : Panel Mount, Dashboard Mount MountingType1 : found in image MountingType2 : Panel Mount NumberOfChannels : 1 NumberOfItems : 1 OperatingSystem : Windows PartNumber : MDA-1 ProductDescription : Feature: Chipset: G7020-KT Receiving Format: GPS, QZSS and SBAS Frequency: GPS L1, SBAS L1 Channels: 56 Searching Channel Tracking: -162dBm Reacquisition: -160dBm Cold start: -148dBm Position Horizontal: 2.0 m CEP 2D RMS SBAS Enable (Typical Open Sky) Velocity: 0.1m/sec 95% (SA off) Timing: 1us synchronized to GPS time Cold Start: 29S Warm Start: 25S Hot Start: 1S Support Rate: 4800bps to 921600bps,Default 9600bps Data Level: Default USB level Data Protocol: USB, TTL or RS232, Default NMEA-0183 Concurrent GNSS: 1Hz-10Hz,Default 1Hz Altitude: 50,000m Max Velocity: 515m/s Max Acceleration: Less than 4g VCC: DC Voltage 3.6V-5.5V, Typical: 5.0V Current: Capture 65mA@5.0V Dimension: ΦO=56mm*18mm Connector: USB 2.0 interface Cable Length: 2.0m Operating temp: -40 °C ~ +85°C Storage Temp: -40°C ~ +105°C