GPS Receiver SPK-LT548SLP (Sirf star III Single Chip GPS Receiver module )

Categories  > GPS-Glonass Product > Part 2: Receiver: Engine Board, Smartantenna (All-in-one Solution) > GPS RECEIVER MODULE > GPS Receiver SPK-LT548SLP (Sirf star III Single Chip GPS Receiver module )

GPS Receiver SPK-LT548SLP ( Sirf star III GPS Receiver module (24mm*20mm*2.6mm) ) Specifications Technical Specifications Feature Item Description Chipset GSC3f SiRFstarIII low power single chipset General Frequency L1, 1575.42 MHz C/A code 1.023 MHz chip rate Channels 20 Accuracy Position 10 meters, 2D RMS 5 meters 2D RMS, WAAS corrected <5meters(50%) Datum Time to First Fix (TTFF) (Open Sky & Stationary Velocity 0.1 meters/second Time 1 microsecond synchronized to GPS time Default WGS-84 Other selectable for other Datum Reacquisition 0.1 sec., average Snap start 1 sec., average Hot start 1 sec., average typical TTFF Warm start 38 sec., average typical TTFF Requirements) Cold start 42 sec., average typical TTFF Dynamic Conditions Power Serial Port Time-1PPS Pulse Altitude 18,000 meters (60,000 feet) max. Velocity 515 meters/second (1000 knots) max. Acceleration 4g, max. Jerk 20 meters/second3, max. Main power input 3.3 ~ 5.0 VDC input Power consumption ≈165 mW (continuous mode) Supply Current ≈49 mA Backup Power 1.65 ~ 5.0 VDC input. Electrical interface Two full duplex serial TTL interface. Protocol messages NMEA-0183@4800 bps (Default) Level TTL Pulse duration The 1PPS pulse width is 1 µs, this 1PPS is NOT suited to steer various oscillators (timing receivers, telecommunications system, etc). Time reference At the pulse positive edge. Measurement Aligned to GPS second, 1 microsecond Environmental Characteristics Items Description Operating temperature range -40 deg. C to +85 deg. C Storage temperature range -55 deg. C to +100 deg. C Physical Characteristics Items Description Length 24 mm ± 0.1mm (0.94in) Width 20 mm ± 0.1mm (0.79 in) Height 2.9 mm ± 0.1mm (0.11 in) Weight 2.5g Interface Specifications Items Description I/O 28 pin SMD micro package

SPK-GPS-GS405 SMART ANTENNA (SIRF STARIII) ( GPS Receiver module+ Sarantel Geohelix SMP-Passive Antenna ) 1.2. MAIN FEATURES  Built-in SiRF Star III chipset with standard SiRF GSW 3.0 software  Built-in Sarantel omni-directional Geo-helix SMP passive antenna, increases GSP signal reception sensitivity  Twenty parallel satellites tracking channels for fast acquisition.  A-GPS ready  Compact size  Support NMEA0183 V. 3.01 data protocol.  TTL level output serial port easily for system on board integration 1.3. KEY BENEFITS  Integrate GPS antenna and receiver  Filtering effect of the antenna gives high immunity to RF interface  High sensitivity GPS solution – Fast TTFF  Wide antenna Beam width  Simple integration and acceleration for time-to-market 2. SPECIFICATION 2.1. ABSOLUTE MAXIMUM RATING Parameter Min Typ Max Units Power Supply Voltage 3.1 3.3 3.5 V Operating Current 67 75 82 mA 2.2. GEOHELIX-SMP GPS ANTENNA CHARACTERISTICS Parameter Min Typ Max Unit Frequency 1573.42 1575.42 1577.42 MHz Gain -5.5 -3.5 dBic Beamwidth >120 Degrees VSWR 2.0:1 2.3:1 Impedance 50 Ω Operating Temperature Range -40 +20 +85 ℃ 2.3. GPS TECHNICAL SPECIFICATION ITEMS DESCRIPTION Chipset GRF3w&GSP3f SiRF StarIII technology General Frequency L1, 1575.42 MHz C/A code 1.023 MHz chip rate Channels 20 Accuracy Position 10 meters, 2D RMS 5 meters 2D RMS, WAAS enabled < 5meters(50%), DGPS corrected Velocity 0.1 meters/second Time 1 microsecond synchronized to GPS time Datum Default WGS-84 Other selectable for other Datum Time to First Fix (Open Sky & Stationary Requirements) Reacquisition 0.1 sec., average Snap start 1 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 Less than 4g Jerk 20 meters/second3, max. Power Main power input 3.3 ± 5%V DC input. Power consumption Less than 250 mW (Continuous mode) Supply Current ≈75 mA (Continuous mode) Backup Power See section 2.9 PIN DESCRIPTION Pin#7 Serial Port Electrical interface One full duplex serial TTL UART interface. Protocol messages NMEA-0183@4800 bps (Default) Timemark-1PPS Pulse(Customization Device) Level TTL Pulse duration 100ms Time reference At the pulse positive edge. Measurements Aligned to GPS second, 1 microsecond 2.4. EXTERNAL BACKUP POWER CONDITIONS PARAMETER Symbol Min Typ Max Units RTC(Battery) Power BATTERY 2.0 5.0 V Supply Current 15 µA 2.5. SOFTWARE OPERATION CONDITION ITEMS DESCRIPTION Core of firmware SiRF GSW version 3.0 Baud rate 4800 (Default) Code type NMEA-0183 ASCII Datum WGS-84 Protocol message GGA, GSA, GSV, RMC / per second. Output frequency 1 Hz Acquisition Sensitivity Cold start 28 dB-Hz (-143dBm) Warm start 28 dB-Hz Hot start (Standard) 15 dB-Hz Tracking -159 dB 2.6. COMMUNICATION SPECIFICATION PARAMETER SPECIFICATION Interface Simple UART Bit rate 4,800 bps Start bit 1 bit Stop bit 1 bit Data bit 8 bit Parity None Transmission data NMEA 0183 Ver3.01 2.7. ENVIRONMENTAL CHARACTERISTICS ITEM MINIMUN MAXIMUM Operation conditions -40℃ +85℃ Storage conditions -55℃ +100℃ * Operation humidity: 5 % to 90 % No condensing. 2.8. OTHER CHARACTERISTICS ITEMS DESCRIPTION Physical Characteristics Length (with Antenna) 52mm (2in) Width 25.6mm (1in) Weight ≈16g