FCC License check:

FCC Home page:

This use of this link in no way implies a relationship with, affiliation with, sponsorship of, or endorsement by FCC.gov and is shown here for informational and educational purposes only.

Manufacturers:

Historical:

MOTOROLA EARLY LAND MOBILE EQUIPMENT, 1938-1946 

CHP TWO WAY RADIO SYSTEMS from the same site as above

Two-Way Radio Keys

Edwin H Armstrong: Radio's premier inventor, Edwin H. Armstrong was responsible for the Regenerative Circuit (1912), the Superheterodyne Circuit (1918), the Superregenerative Circuit (1922) and the complete FM System (1933). His inventions and developments form the backbone of Radio Communications as we know it.

Ma Bell's Microwaves
 

Sams' Telecom History  (telephone & telegraph)

Early US Radio History

Report or learn about Phishing.

On Guard Online is the US Government website that educates about online scams, phishing, spy ware and viruses. It free and highly recommended.

US Department of Homeland Security

This use of this link in no way implies a relationship with, affiliation with, sponsorship of, or endorsement by DHS.gov and is shown here for informational and educational purposes only.

More to come....

MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Office. All other product or service names are the property of their respective owners. © Motorola, Inc. 2005.