"The primary reason for using F-connectors is that the CATV cables require
crimp connectors, and F-connectors have dominated CATV/MATV because they are
fairly inexpensive and very easy to install with the proper tools...73, Jim K9YC
Adding to Jim's point, the SNS F connector has two metallic pieces and there's
no center pin to crimp. Compare the complexity of the F to a BNC. Now deploy
a million of each type into a metro service area. I can’t imagine the number
of truck rolls needed if CATV/SAT companies depended on a BNC. The broadband
CATV companies rely on the F up to 1 GHz and have been for the last 20+ years.
Although not obvious, the mating female F center connection has advanced over
the decades. Early female Fs used a pair of leaf springs to maintain contact
with the RG6 center conductor. Modern Fs use a knuckled inner that applies
equal spring force around the entire surface of the center conductor.
The latest generation of SNS connectors contain an o-ring boot on the front of
the rotating nut (e.g., PPC EX6WSPLUS). As the F is tightened, the boot
compresses against the mating surface. When these SNS connectors are used with
gel-flooded RG6, it makes for very reliable connections that need no attention
for a long time.
For receive systems, the RG6 and SNS F combination is an excellent choice.
Paul, W9AC
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