â€‹Feature:The BU-353 S4 GPS Receiver can be utilized in a variety of applications that require a magnetic mounting with waterproof configuration. With non-slip on the bottom and the compact design, the BU-353 S4 is completely self-contained and waterproof. It''s incorporating the latest SiRF Star IV GPS chipset and an active patch antenna so you receive a high degree of GPS accuracy.Typical application can include marine environments, aviation, commercial use such as fire truck, police cars and utility vehicles and buses.
Specifications:GPS Chipset : SiRF STAR IV GSD4e. Frequency : L1, 1575.42 MHZ. C/A Code : 1.023 MHz chip rate. Channels : 48. Sensitivity : -163dBm.
Position Horizontal : <2.5m 2D RMS SBAS Enable. Velocity : 0.1m/sec 95% (SA off). Time : 1 micro-second synchronized to GPS time. Datum : WGS-84. Hot start : 8 sec., average. Warm start : 35 sec., average. Cold start : 35 sec., average. Reacquisition : 0.1 sec. average. 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 ) 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 Operating : -40Â°~ 80Â°C Storage : -40Â°~ 85Â°C Humidity : Up to 95% non-condensing Voltage : 5V Â±5% Current : 60mA typical 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 Size :D5.3cm x H1.9cmâ€”D2.1in x H0.75in.