... 8.4V/3000mAh Lion Battery Included Max Operating Time:4 hoursSatlink WS-6939Original Satlink finderSpectrum AnalyzerConstellation diagram measurementDVB- ... COFDMQPSK , 16QAM, 64QAMtransmission mode2K, 8KGuard interval1/2, 1/4, 1/8, 1/16, 1/32FEC1/2,2/3 ... ,3/4,4/5, 5/6,6/7,7/8system resourcesprocessor32 bit ... satellite finder satlink ws-6939 satellite terrestrial signal finder meter