... : 2dB12, USB port for software upgrades13, Fast Charge LI-ION Battery, Can Last 5 Hours14,Easy to carry, size only 9 ... ohmDeModulationModulationCOFDMConstellationQPSK,16QAM,64QAMTransmission mode2K,8KGuard interval1/2,1/4,1/8,1/16,1/32FEC1/2,2/3,3/4,4 ...