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2m 144-146 MHz 200W Transmit - Receive Low Loss Narrow Bandpass Filter

2m 144-146 MHz 200W Transmit - Receive Low Loss Narrow Bandpass Filter
Product Code: 0638
Price: 149.00€
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144MHz - 146 MHz 200W Transmit - Receive Low Loss Narrow Bandpass Filter

Intended for use with transceivers and transverters up to 200 W output, or before any wideband low noise amplifier (LNA) to protect from any out of band signals.

This filter is equally good as transmitting and as receiving low loss filter (0.25 dB). 

The filter will reduce TVI problem or your problem with neighbours with strong HF, 6m or 70cm transmitters.

2m-144MHz-146MHz-200W-Transmit-Receive-Bandpass-Filter

Achieved results on a built Bandpass filter:

Insertion loss: 
 
1.8 MHz 106 dB    
3.8 MHz 110 dB   
7.1 MHz 110 dB   
14.15 MHz 105 dB
21.2 MHz 101 dB
28.4 MHz 94 dB
50 MHz 76 dB 
52 MHz 75 dB 
54 MHz 73 dB 
70 MHz 64 dB
70.5 MHz 64 dB
88 MHz 53 dB
98 MHz 46 dB
108 MHz 39 dB
144 - 146 MHz 0.25 dB
288 MHz 60 dB
432.1 MHz 36 dB
440 MHz 44 dB
 
Maximum power input at SWR: 
1:1 = 200 W; 1:1.5 = 140 W; 1:2 = 90 W; 1:3 = 70 W (Intermittence 50%)
 
144-146MHz-Bandpass-Filter-200W-FM-2m-S11-S21
 
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200 W transmitting and receiving band-pass filter could be used for outdoor mounting. Price difference 8 EUR (plastic box "DB" and two brackets).

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