Repeaters

Elettronica Turrisi - TRasceivers HF-VHF-UHF, repeaters, GPS, antennas, based in italy

NYCOMCO - Two way radio and radio repeater dealer in Hudson valley New York

Pacofoc Research - Manufacturer of Repeater Controllers, Repeater Tone Panels and Telephone Interconnect.

Wadsworth Repeaters - The GE Master Exec II receiver employs a five cavity helical input filter to insure out of band rejection.