I've found that screw on F-connectors tend to cut into a cable's outer ground shield, severing the fragile foil. The guy who installed my cable modem had to replace one that I had installed because he couldn't get a clean enough signal through it. FYI, Home Depot sells crimpers for a better price than Radio Shack does.


The amplifier I have is a Radio Shack model# 15-1113B:

http://support.radioshack.com/produ...15-1113&Reuse=N