Detailed Product Description

AD850 SpecificationsI.GPS Performance

1. Processed Channels:Track up to 44 satellites.
2. Update rate: 	1 second.
3. Acquisition Reacquisition,	0.1 sec., averaged
Hot start,  	1 sec.,averaged Note 1
Warm start,   35 sec., averaged
Cold start,    40 sec., averaged
4. Accuracy        	Position,   	5-10 m CEP Note 2 
Time,	5. Sensitivity: -159dBm

           Data logger Specifications
1.Up to 120K data records
2.Log data export for Google Earth and track maker
3.	Programmable data log interval: time, distance, and velocity
4.Log data download by Bluetooth wireless connection, 10 meters distance.  
       Bluetooth  Specification
1. Port type:compatible with Bluetooth 1.2 serial port file (SSP)
2. Transmitter power:	class 2
3. Transmission range:up to 10 meters
4. Frequency range:	2402 MHZ   2483.5 MHZ
5. Hopping channel: 79
6. Modulation:GFSK
7. Receiver sensitivity:-80dBm (typical)
	External Interface
1. Connection: Bluetooth 1.2 serial port profile (SSP)
2. Protocol: Default -- NMEA 0183 format with
command set (GPGGA, GPGSA, GPGSV, GPVTG, GPRMC )
  3. Baud rate: 115200
	Physical Dimension
Dimension:77 (L) x 43 (W) x 17.6 (H) (mm) 
Weight:55 g (with battery)
	Environmental Characteristics
Operating temperature: -10 dgc to +60 dgc Storage temperature: 	-20 dgc to +70 dgc Battery charging temperature: 0 dgc to +40 dgc Humidity range: 5% ~ 95% no condensing
	Power Characteristics
Input voltage: 5V DC
Battery: Rechargeable Li-ion battery 			 
Operating time: up to 20 hours at battery full charged condition