catv agile modulator 1.Adjustable Audio IF( 6.5/6.0/5.5/4.5) 2.compatible PAL,NTSC,SECAM 3 Adjustable RF frequancy CATV Agile modulatorFeatures:1.Five segments LED display output frequency, audio, V/A carrier power ratio, easy operate.2.Adjustable Audio IF( 6.5/6.0/5.5/4.5 )3.Frequency step 0.25MHz, random select frequency (47-750MHz). 4.Compatible PAL;NTSC and SECAM signal standards.5.Automatic ...