首頁 > 產品信息 > 電子、電力 > 通信和廣播電視設備 > 通信衛星設備

Main features
Built on high performance SiRF StarIII chipset
Average cold start time is under 45 seconds
Low power consumption
20 channels "All-in-view" tracking
200, 000+ effective correlators for fast TTFF and high sensitivity acquisitions
Integrated ARM7TDMI CPU with software engineering services and available for embedded customer defined applications
On chip 1MB SRAM
Dual TTL level serial ports with one for GPS receiver command message interface, another one for RTCM-104 DGPS input
Compact board size 1 x1 x 0.27'' (25.4 x 25.4 x 7mm) for easy integration into hand-held device
Reacquisition time: 0.1 seconds
Support standard NMEA-0183 and SiRF Binary protocol
Support accurate 1PPS output signal aligned with GPS timing
Multi-path mitigation hardware
On-board RTCM SC-104 DGPS and WAAS /EGNOS demodulator
Built-in a lithium battery make GPS fast positioning
Technical specifications
Electrical characteristics
General
Frequency: L1, 1575.42 MHz
C/A code: 1.023 MHz chip rate
Channels: 20
Accuracy (Open Sky)
Position: 10 meters, 2D RMS
7 meters 2D RMS, WAAS corrected
1-5 meters, DGPS corrected
Altitude: < + -35m Vertical in term of 95%
Velocity: 0.1 meters/second
Time 1 microsecond synchronized to GPS time
Datum
Default: WGS-84
Other Support different datum by request
Acquisition rate (Open sky, stationary requirements)
Reacquisition: 0.1 sec., average
Snap start: 2 sec., average
Hot start: 8 sec., average
Warm start: 38 sec., average
Cold start: 42 sec., average
Dynamic Conditions
Altitude: 18, 000 meters (60, 000 feet) max
Velocity: 515 meters/second (1000 knots) max
Acceleration: 4g, max
Jerk: 20 meters/second, max