Model #NTR-51C

Special Features
2 tuneable - 26 fixed filter preselectors, input attenuator, input balun transformer, input transfer switch, special filter high-pass at 5 khz and 100 khz, low-pass at 30 mhz plus 11 high-pass passive filter 200 khz-500 mhz all with a certifcation data chart, 12 low-pass passive filters 200 khz-1000 mhz all with a certifcation data chart, dual low-noise rf amplifier preamps/postamps 100 hz-2mhz and 100 khz-1000 mhz, all with certification data chart, dual channel active filter, 0.1 hz-111 khz all with a certification data chart