The Bluetooth GNSS receiver BT-821G is using the MTK MT3333 chipset. In combination with a mobile device such as smart phone, laptop or tablet and a suitable routing software navigation is possible.

Specification
• Chipset vendor / type: MediaTek MT3333 GLONASS GPS
• Frequency:
  GPS: L1, 1575.4200 MHz
  GLONASS: L1, 1602.5625 ~ 1615.5000 MHz
• Channels: 33 tracking, 99 acquisition
• Supports NMEA 0183 V3.01 protocols: GGA, GSA, GSV, RMC, VTG
• Update rate: 1 ~ 10 Hz
• Sensibility max. –165 dBm
• Operating temperature: -20 °C ~ +60 °C
• Cold start in ca. 34 seconds
• Hot start in ca. 1 second
• Reacquisition in ca. 1 second average
• Position horizontal: GPS / SBAS / QZSS+GLONASS: 2.5 m CEP
• Speed: 0.1 m/s
• Datum: WGS 84
• Dynamic prerequisites:
  Acceleration limit: smaller than 4 g
  Height limit: 18000 m
  Speed limit: 515 m/s
• Performance:
  Power supply: 5 V
  Rechargeable battery: 3.7 V 1700 mA/h
  Operating time: ca. 30 h tracking
  Current: ca. 50 mA tracking
• Dimensions (LxWxH): ca. 73.50 x 43.00 x 24.50 mm
• Weight: ca. 86 g

Package content
• Bluetooth GNSS receiver
• Navilock support CD
• User manual on CD ROM
• USB power cable

Package
• Retail Box