MFJ 714, 2 Meter Amateur Radio Inline Intermod Filter
Mobile Intermod Fighter plugs between your mobile rig and antenna coax. Has SO-239 connectors. Uses external 12 VDC. Both have on/off switch and LED, power jack and housed in RF tight 2x2.25x1.5 inch aluminum case.
Specifications & Features:
- 144 - 148MHz bandpass filter
- Up to 50dB rejection
- Defaults to straight through when off
- Requires at least 50mW for auto sensing
- For mobiles
- Termination SO-239
- Size 70 x 50 x 45mm approx.
- Power: External 12V DC supply
- A three section high-Q bandpass filter for 2m mobiles.
- RF sensing bypasses it on transmit.
- Power is from an external 12V DC supply (not supplied).
- The unit will dramatically reduce interference caused by out of band transmissions by up to 50dB.
- Max handling power is 50W. When switched on there is a 6dB insertion loss, but this is probably acceptable compared with the improvement gained.
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