Specificatyions:
Number of channels : Up to 3 (one per constellation)
Number of RF outputs : 1
Signals  : GPS L1, GLONASS L1, Galileo E1
Supported systems : GPS, SBAS, GLONASS, Galileo 

•Can be synchronized to other systems via 1PPS/Trigger, frequency standard input/output and 1PPS output
•Industry-leading stability, quality and reliability
•1 channel GPS L1 C/A, GLONASS L1 C/A, Galileo E1 OS
•User control over test parameters including power level, Doppler, PRN, GPS time and data message
•Comprehensive control ICD for easy integration into manufacturing test rigs
•GPIB (IEEE488), USB or RS232 control Interfaces
•Supplied with SimCHAN PC software
•Rack mount 2U chassis
•In-rack annual calibration
•L1 SBAS message support