BT-821
Product Image
Performance Specifications
GPS Chipset
MTK Chipset
General
L1 (1575.42MHz) frequency C/A code
20 channel all-in-view-tracking receiver
20 channel all-in-view-tracking receiver
Accuracy
5 meters 2D RMS (WAAS enabled)
10 meters 2D RMS (WAAS disabled)
Velocity 0.1 m/second
time 1 m/second synchronized
Acquisition
Reacquisition: 0.1 sec. average
hot start:1 sec., average
warm start: 38 sec., average
cold start: 42 sec., average
hot start:1 sec., average
warm start: 38 sec., average
cold start: 42 sec., average
Sensitivity
Acquisition:-146dBm
Tracking:-158dBm
Tracking:-158dBm
Protocol
GPS Protocol
NMEA 0183 v3.01
GPS Output Data
(Default:GGA,GSA,GSV,RMC,VTG,GLL,ZDA)
RTCM ,MTK NMEA Command
GPS transfer rate
(Default :4800,n,8,1 for NMEA )
Connection
Bluetooth Serial Port Profile
Electrical Characteristics
Prime Power
4.5V - 5.5V
Extenal Power
DC Charger
Battery Capacity
1100mAH
Battery Life
23 hours of continuous use
Power Consumption
85mA
Environmental Specifications
Operation Temperature
14°~ 140°F (-10°~ 60°C)
Storage Temperature
-4°~ 176°F (-20°~ 80 °C)
Operation Humidity
5% to 95% non-condensing
Physical Characteristics
Enclosure
Durable Polycarbonate
Dimensions
2.85" x 1.6" x 0.9"
(72.5mm x 40.4mm x 23mm)
(72.5mm x 40.4mm x 23mm)
Weight
2.75 Ounces (78 Grams)