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Connector for CoaxialCable [1] types: RG-8/U, RG-9/U, RG-213/U,
RG-214/U, RG-225/U
The above image shows a clamp-type N connector.
Also available are N connectors which require crimping (such as the
Pulse brand), and are generally much cheaper.
The N connector was invented by and named for Paul Neill of BellLabs
[2]. It was the first connector capable of true microwave performance.
N connectors have threaded coupling interfaces and are 50 ohms in
impedance. There are also 75 ohm versions available, but they will not
mate with the more common 50 ohm version. N connectors operate up to
11 GHz in the common 50 ohm impedance design. Although less common,
there are also precision versions of the N connector available which
operate up to 18 GHz. Applications for the N connector include Local
Area Networks (LANs); test equipment; broadcast, satellite and
military communication equipment.
from http://www.cambridgeproducts.com/n.htm [3]
Links:
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[1] http://melbournewireless.org.au/?CoaxialCable
[2] http://melbournewireless.org.au/?BellLabs
[3] http://www.cambridgeproducts.com/n.htm
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