3D5M  

Standard Cable Assembly.
16 feet 9 inches 13 feet of low loss coax. Gold-plated UHF
(PL-259/SO-239) connectors

CK-3M5 

Deluxe Cable Assembly.
16 feet 9 inches total length including 18 inches of RG-188 teflon coax for easy entry from a lip-mount, without causing wind noise, coax damage or water leaks.  Gold-Plated UHF (SO-239/PL-259) connectors.

CR-M5 

Standard Cable Assembly
16 feet 9 inches of RG-58/U coax with UHF
(PL-259/SO-239) connectors