I've tested the Dunestar, AS and 5B4AGN filters before.  The AS has the 
best ajacent band attenuation response of the trio.  I use the 5B4AGN 
here and they are reliable.
73/jeff/ac0c
alpha-charlie-zero-charlie
www.ac0c.com
On 21-Nov-18 5:56 PM, w5wz@w5wz.com wrote:
 I use ICE 419B band pass filters between my transceivers and 
amplifiers.  They work, but I realize that others may work better.  To 
my knowledge, these are the players in the low power (200 watt) 
automatic band pass arena:
New prices listed
$318 ICE 419B
$505 Dunestar Multi Band Remote Switched Bandpass Filter
$700 DX Engineering 419 Automatic Band Pass Filter Systems
$700 AS-419 - "BandPasser II"
Are there other systems out there?
What is your experience with each of these?
How would you rank them?
 Has anyone modified and published a "how-to" to modify the ICE system 
for better performance?
--Scott, W5WZ
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