... system latency7 Modular design, compact structure, small cubage8 adjustable frequency,LCD board displays the working frequency9 Strong casing with built-in ... Current≤3.8A/DC12.5VRS232 Control InterfaceStandard RS232 level, 9600,8,N,1RS232 Data InterfaceStandard RS232 level, supporting 1200~115200ConstellationQPSK, ... /3,3/4,5/6, 7/8 (optional)Guard Interval1/32,1/16,1/8,1/4 (optional)Bandwidth6/7/8MHz ...