4m 1500W High Power BandPass Filter Low Loss

Low Loss 4m 1500W High Power BandPass Filter with high out-of-band attenuation. HF, 6m and 2m more than 50dB. Excellent for transmitting and receiving. Use this filter after any linear amplifier up to 1500W.

4m 1500W High Power BandPass Filter Appearance:

4m 70MHz 1500W High Power BandPass Filter

Measured Insertion Loss of 4m 1500W High Power BandPass Filter

1.8 MHz 105 dB
3.8 MHz 101 dB
7.1 MHz 86 dB
14.15 MHz 69 dB
21.2 MHz 58 dB
28.4 MHz 50 dB
50 MHz 47 dB
51 MHz 44 dB
52 MHz 32 dB
69 MHz 0.18 dB
70 MHz 0.14 dB
70.5 MHz 0.14 dB
71 MHz 0.14 dB

Harmonics and interfering signals:

98 MHz 34 dB
108 MHz 35 dB
144 MHz 58 dB
148 MHz 52 dB
222 MHz 38 dB
432 MHz 34 dB

These excellent results were achieved by careful selection of the components and design of the filter.
Band Pass filter will suppress any harmonic emission from your transceiver or linear amplifier.