KENPRO manufactured specialized amateur radio equipment, including precision antenna rotators, electronic keyers, and speech processors.
KENPRO (manufactured by Toyomura Electronics Co., Ltd.) is a legacy brand well-regarded in the amateur radio community for its durable station accessories. The company specialized in antenna rotation systems, such as the widely used KR-series rotators (including the KR-250, KR-400, and KR-600), which provided directional control for TV, FM, and ham radio antennas.
In addition to mechanical rotators, KENPRO produced electronic squeeze keyers like the KP-100 and audio speech processors. While the brand is no longer active in the primary market, its equipment remains in service at many radio stations worldwide, known for its robust engineering and reliability.
Latest manuals from manuals+ curated for this brand.
Common questions about manuals, registration, and support for this brand.
KENPRO products, such as antenna rotators and keyers, were manufactured by Toyomura Electronics Co., Ltd.
The KR-250 rotator typically requires a 6-conductor control cable. Recommended wire size is AWG 24 for lengths under 100 feet.
KENPRO is largely considered a legacy brand in the amateur radio market. Support is primarily found through vintage equipment manuals and third-party repair communities.