... Range 5MHz ~ 870MHz Channel Range T7 to CATV 135 Frequency Resolution 10 KHz Measurement Randwidth 280 KHzMODULATION QAM Annex (A) 16, 32, 64 ... , 128 and 256 QAM Annex (B)64 and 256 Symbol Rate 1 to 7Mbps Analog CATV AM, FM Bandwith 1 MHz ... (64 and 256) QAM modesRY-S1129D Annex A(16,32,64,128and256)and Annex B 64 QAM modes QAM 256 CATV Signal Level Meter