different between uplead vs unlead

English

From up- +? lead.

uplead (plural upleads)

(telecommunications) The line or lines connecting the output of a transmitter to its antenna.

uplead (third-person singular simple present upleads, present participle upleading, simple past and past participle upled)

un- +? lead

unlead (third-person singular simple present unleads, present participle unleading, simple past and past participle unleaded)

(transitive) To take away the leaden seals from (the bales of transit goods).
(transitive, printing, historical) To take out the leads from (printed matter that has been set up).

Send