Hobby kits, assembled units and software for electronics hobbyists, engineers and radio amateurs.

Electronic kits, tools, instruments, and free tutorials.

Sells hard-to-find BA1404 chip for low-power FM broadcast band radio transmitter projects. Includes links to low-power FM broadcasting resources.

Manufacturer and supplier of specialized electron tubes and electro-optic products.

E.F. Johnson and Hammarlund air variable capacitors, inductors, and other electronic hardware.

Electronics kits, projects and component for hobbyist and radio amateurs.

Radio kits, including a wide band active antenna, outdoor shortwave antennas, ham radio QRP transmitter, and an antenna tuner.

Vacuum (electron) tubes for audio, broadcast, ham radio, hobby, industrial, academic and scientific users.

Electronic kits for the hobbyist, education, industry, detective operations, and law enforcement. Includes CB sound, radio direction finder, and ham caller id kits.

Supplier of quartz crystals, oscillators and filters, both discrete and SMD versions.

Amateur TV transmitters, receivers, and accessories for ham radio operators. List of dealers and distributors, online ordering.

Crystal IF radio filters and performance enhancements for ham and shortwave radio products, also publications.

Offers crystals and custom designed and after market crystal filters.

Ham radio related kits and chips such as Morse code keyers.

Sells low power AM radio transmitters.

Electronic kits and components. From Australia.

Vacuum tubes for ham, audio and antique radio purposes.

Repeater controllers and related accessories for amateur and land-mobile radios. Order by mail or phone.

Kits, including transmitters and receivers. Technical articles and information on electronic subjects geared towards ham radio, shortwave and video projects.

New and hard to find electronic components, kits, test equipment, and accessories..

Old time crystal radio kits, double sliders, and detector sets.

Anderson powerpoles and OEM power connectors for amateur radio and other DC Hobbies. Also, batteries, RF adapters, bulk wire, red/black zip cord.

Manufacturer and distributor of broadcast electronic products.

Components and kits for audio, RF, digital, and antenna projects.

Hobby kits, amateur radio gear, antennas, AM/FM broadcasters, security and monitoring cameras, test equipment, and tools. Downloadable catalog [PDF], FCC information, and forums.

Kits, components, and custom IF filter enhancements for most communications receivers.

Microwave and RF parts for datalinks, television, voice, and telemetry.

New and used electronic test equipment, tubes, semiconductors, RF and microwave products, and sliderules.

Sells the AMT3000 Broadcast Transmitter Kit, a Part 15 low-power AM radio broadcast transmitter. Includes details and background information, specifications, contact and purchasing information.

Manufactures and sells communication equipment and spare parts. Includes online catalog, prices and shopping cart.