Globalsat BU-353S4 Cable GPS with USB interface , SiRF Star IV GPS chipset GSD4e

Electrical Characteristics (Receiver)
GPS Chipset : SiRF STAR IV GSD4e
Frequency : L1, 1575.42 MHZ
C/A Code : 1.023 MHz chip rate
Channels : 48
Sensitivity : -163dBm

Accuracy
Position Horizontal : <2.5m 2D RMS SBAS Enable
Velocity : 0.1m/sec 95% (SA off),
Time : 1 micro-second synchronized to GPS time
WAAS : Enabled for North America product s (USGlobalSat, Inc)

Datum
Datum : WGS-84

Acquisition Rate
Hot start : 8 sec., average
Warm start : 35 sec., average
Cold start : 35 sec., average
Reacquisition : 0.1 sec. average

Protocol
GPS Protocol Default :
NMEA 0183 (Secondary: SiRF binary)
SiRF binary >> position, velocity, altitude, status and control
NMEA 0183 MEA0183 V3.0 protocol, and supports

GPS Output Data : command GGA, GSA, GSV, RMC, VTG, GLL v2.2 (VTG and GLL are optional)
GPS transfer rate : Software command setting (Default : 4800,n,8,1 for NMEA )

Dynamic Condition
Acceleration : Limit Less than 4g
Altitude Limit : 18,000 meters (60,000 feet) max.
Velocity Limit : 515 meters/sec. (1,000 knots) max.
Jerk Limit : 20 m/sec**3

Temperature
Operating : -40°~ 80°C
Storage : -40°~ 85°C
Humidity : Up to 95% non-condensing

Power
Voltage : 5V ±5%
Current : 60mA typical

Physical Characteristics
Dimension : 2.32" x 1.65" x 0.82" (59mm x 47mm x 21mm)
USB Cable Length : 60" (152 cm)

Low Noise Amp
Amplifier Gain w/out cable : 27 dB Typical
Filtering : -25dB (+100 MHz)
Output VSWR : 2.0 Max.
Voltage : DC 3 ~ 5.0V
Current : 15mA max @ 5VDC

Globalsat BU-353S4 Cable GPS with USB interface , SiRF Star IV GPS chipset GSD4e Images