The Latest BR-355-S4 Mouse Satellite Receiver (SiRF Star IV)
| PIN Number(s) | Name | Type | Description |
| 1 | GND | P | Ground |
| 2 | VCC | P | Main power supply to the BR-355 |
| 3,6 | NC | Reverse PIN | |
| 4 | RX | I | This is the main receive channel for receiving software commands to the engine board from SiRF demo software or from user written software. |
| 5 | TX | O | This is the main transmits channel for outputting navigation and measurement data to user’s navigation software or user written software. |
| LED | RED | LED OFF: Receiver switch off LED ON: Receiver switch on No fixed, Signal searching LED Flashing: Position Fixed |
Parameter
- SiRF Star IV? (SIRF Generation 4) High performance GPS chipset
- High sensitivity (- 163dbm)
- Even if the satellite signal is weak, the first positioning is still very fast
- Support NMEA0183 communication protocol
- Built in super capacitor can store satellite signal data quickly
- Built in ceramic antenna
- It has strong magnetism and can be adsorbed on vehicles
- 100% waterproof and antiskid bottom
- RS232 is connected to PS2 interface
- With LED indicator to display GPS positioning
Led dim: not enabled
LED light on: receiving and searching signal
LED flashing: positioned - WAAS ENGOSis supported
Frequency: L1, 1575.42 MHz
C / A code: 1.023 MHz chip rate
Number of channels: 48 tracking channels
Accuracy positioning: 2.5 meters, 2D RMS; 2m, 2D RMS, WAAS enable
Speed: 0.1 M / S
Time: 1 microsecond satellite synchronization
Coordinate data
Default: WGS-84
Receiving Time
Re-reception: 0.1 second on average
Hot start: 8 seconds on average
Warm up: 35 seconds on average
Warm and cold power on: average 35 seconds
Relevant Restrictions
Height: 18000 m (60000 ft) maximum
Speed: 515 M / S (10000 knots) max
Gravity: less than 4G
Shaking: 20 m / S three
Power
Main power input: 4.5V ~ 6.5V DC input
Power consumption: 50mA
Agreement
Operation level: TTL level
Output voltage: 0V ~ 2.85V
Transmission speed: 4800 BPS
Output format: Command GGA, GSA, GSV, RMC, VTG, GLL V2.2 (VTG and GLL are optional)
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