Navilock BT-821G Bluetooth

Bluetooth V 2.0 class 2, MediaTek MT3333 GNSS chipset, Channels: 33 tracking, 99 acquisition, Supports NMEA 0183 V3.01 protocols: GGA, GSA, GSV, RMC, VTG, Update Rate: 1 ~ 10 Hz, Sensitivity max. -165 dBm, Retrieval in approx. 1 second average, position horizontal: GPS / SBAS / QZSS+GLONASS: 2.5 m CEP, speed: 0.1 m/s, altitude limit: 18000 m, speed limit: 515 m/s, operation time: ca. 30 h, dimensions (LxWxH): ca. 73.50 x 43.00 x 24.50 mm. System requirements - Windows 7/7-64/8.1/8.1-64/10/10-64- Android 4.3 or higher- Mac OS 10.13.3 or higher.