Electrical Characteristics (Receiver)
Frequency: L1, 1575.42MHz
Channel: 20 channels all-in-view tracking
Chipset: SiRF Star III
Interface:.SDIO
Accuracy
Position Accuracy: 10 meters, 2D RMS, (No SA).        
                                       5 meters, 2D RMS, (WAAS enabled).
Datum
Datum: WGS-84
Acquisition Rate
Hot Start: 1 sec. average
Warm Start: 38 sec. average
Cold Start: 42 sec. average
Reacquisition Time: 0.1 sec. average
Protocol
GPS output data: NMEA 0183 protocol, supports command GGA (1 sec), GSA (1 sec), GSV (5 sec), RMC (1 sec), (VTG and GLL are optional).
Baud Rate: 4800 bps, N,8,1
Dynamic Condition
Maximum Altitude: 18,000 meters (60,000 feet) max.
Maximum Velocity: 515 meter/sec. (1,000 knots) max.
Power
Voltage: DC 3.3 V ± 10%
Power consumption: 90 mA
Physical characteristics
Antenna Type: Built in antenna
Dimension: 95 mm x 30 mm x 13 mm
LED Indicator: GPS fix status. (blinking light: GPS is fix, solid light: GPS is not fix.)
Temperature
Operating Temperature: -10°C to +70°C
Storage Temperature:  -40°C to +80°C
Operation Humidity: 95%, Non- Condensing
Compatible Device v.1.33:

• Dell Axim X3 Pocket PC  
• Dell Axim X30 Pocket PC
• Dell Axim X50 Pocket PC
• Dell Axim X50v Pocket PC
• Dell Axim X51v Pocket PC
• HP iPAQ h1930 series Pocket PC
• HP iPAQ h1940 series Pocket PC
• HP iPAQ h2210 series Pocket PC
• HP iPAQ hx2410 series Pocket PC
• HP iPAQ hx3970 series Pocket PC
• HP iPAQ h4150 series Pocket PC
• HP iPAQ hx4700 series Pocket PC
• HP iPAQ h6315 series Pocket PC

Devices listed above have been tested and proved to be compatible with SD-502.

The SD-502 DOES NOT support Palm OS, Mac 8/9/OSX, or Windows 95/NT/98/ME/2000/XP.

• Please see the technical support page for the new download of driver v.1.33.