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CEL-1500L GPS module

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RoyalTek CEL-1500L is a low power and small form factor smart antenna GPS module. It is powered by SiRF Star III technology and RoyalTek proprietary navigation algorithm that providing you more stable navigation data. Parallel design is the major new feature of RSA-1500L.

The smallest form factor and parallel design is the best choice to be embedded in a portable device and receiver like PND, mobile phone, car holder, personal locator, digital camera and vehicle locator. The excellent sensitivity of CEL-1500L gets the great performance when going though the urban canyon and foliage.

  • 20 parallel channels
  • Extreme fast TTFF at low signal level
  • Operable from 3.3V/48mA continuous mode.
  • Wire to board connector
  • TCXO design
  • 0.1 second reacquisition time
  • Small form factor with embedded SiRF Star III single chip technology.
  • NMEA-0183 compliant protocol/custom protocol.
  • 4 Mbits Flash Memory
  • Enhanced algorithm for navigation stability
  • Excellent sensitive for urban canyon and foliage environments.
  • SBAS (WAAS, EGNOS and MSAS) support
  • Auto recovery while RTC crashes
  • Trickle power supported

  • Automotive navigation
  • Personal positioning and navigation
  • Marine navigation
  • Timing application


Chipset SiRF Star III, GSC3f/LPx (Digital, RF in a single package)
Frequency L1 1575.42MHz.
Code C.A. Code.
Channels 20 parallel
Chipset Sensitivity -159dBm.
Chipset Cold start 35 sec  @ open sky
Chipset Warm start 35 sec  @ open sky
Chipset Hot start 1 sec  @ open sky
Reacquisition 0.1sec typical
Position accuracy 10meters at 2D RMS.
Maximum altitude 18000 m
Maximum velocity 514 m/s
Update rate Continuous operation: 1Hz
Protocol setup It shall store the protocol setup in the SRAM memory.
LNA 25dB Gain. (Typical)
I/O Pin 6pin Wire to board connector GND、On/Off、RX、TX、VCC、V_BAT (Pin1~Pin6)
Patch Antenna (mm) 15x15x4
RF Connector MMCX
Mechanical requirements  
Weight 8.1g Typ.

Application Circuit:

Block Diagram

Số ký tự được gõ là 250

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