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Coaxial Connector Usage Properties

All RF coaxial connector types were designed with a specific purpose in mind. Certain applications require acceptable performance across a range of frequencies in conditions ranging from controlled laboratory settings (metrology, production test) to extremely harsh outdoor environments that need protection from wind, rain, ice, and extreme temperatures. In many instance, physical size is an issue both for space considerations and due to the diameter of the coaxial cables which must be accommodated.

Many time connectors are used quite successfully under conditions for which they were not designed for use. However, unless you have the luxury of being able to experiment or you have previous experience with the connector type, then it is best to stick with proven connectors for their designed-for uses. This chart will help you choose a coax connector based on frequency range.



Frequency
in GHz
  1 2 3 4 8 12.4 15 18 26.5 30 40 50
V
H
F
U
H
F
L S C X KU K KA  
Connector
Style
Operational Range
(Applicable MIL Specification listed for reference only)
UHF    
L    
SC   MIL-C-39012/35/43
C   MIL-C-39012/6/15
HN   MIL-C-3643
N   MIL-C-39012/1/5
Precision N   MIL-C-39012/129/132
BNC   MIL-C-39012/16/24
TNC   MIL-C-39012/26/34
Precision TNC   MIL-C-39012/112/116
MCX/MMCX    
SMB   MIL-C-39012/67/72
SMC   MIL-C-39012/73/78
SMA   MIL-C-39012/79/83
SSMA    
3.5 mm    
7 mm   IEEE 287
GMS    
GPO    
K-style    
2.4 mm  
V-style up to 65 GHz
1.85 mm up to 65 GHz

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