USGlobalsat BR-355-S4 - Manual (Page 13)

12. BR-355S4 SPECIFICATIONS
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)
WAAS Enabled for North America product s (USGlobalSat, Inc)
Datum
Datum WGS-84
Acquisition Rate
Hot start 1 sec., average (with ephemeris and almanac valid)
Warm start 35 sec., average (with almanac but not ephemeris)
Cold start 35 sec., average (neither almanac nor ephemeris)
Reacquisition 0.1 sec. average (interruption recovery time)
Protocol
GPS Protocol Default: NMEA 0183 (Secondary: SiRF binary)
GPS Output Data
SiRF binary >> position, velocity, altitude, status and control
NMEA 0183 MEA0183 V3.0 protocol, and supports
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°~ 85°C
Storage -40°~ 85°C
Humidity Up to 95% non-condensing
Power
Voltage 4.5 ~ 6.5V DC Input
Current 60mA typical
Physical Characteristics
Dimension 2.08" diameter x 0.75" (53mm dia. x 19.2mm)
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
Due to continuous product improvements, all specifications are subject to change without notice.