Mini-UHF connectors are miniaturized versions of UHF connectors, designed primarily for use in bag-type mobile phones and similar applications where size is an important consideration.
Introduced in the 1970s, Mini-UHF has a 3/8-24 thread size and operates up to 2.5 GHz.
[1] It is similar only in basic construction, a threaded outer portion, center pin, and toothed ends intended to prevent twisting and loosening.
Its performance is much better than the standard UHF.
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