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),
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
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.
