| Actions Communications, Inc: Provide voice and data communications using LTR trunking technology throughout the greater Puget Sound area. Includes product listings and service area information . |
| Base Radio Systems Program: Provides information on the competitively awarded set of contracts that offer a complete menu of Land Mobile Radio products to all U.S. Federal Agencies worldwide. Managed by the Army. |
| Champion Communication Services, Inc.: Provide UHF radio communication products and operate UHF trunked networks providing voice, dispatch and wireless data services. Includes operational area information and a listing of dealers . |
| Crudele Communications: Sales and service for two-way radio trunking repeater systems. Conventional two-way including UHF, VHF and low-band. FCC licensing and Nextel Phones. |
| Dade County Frequencies and Talkgroups: Provides a listing of aviation, marine, business, and federal frequencies together with links to related resources . |
| Entropia Network: Commercial wireless voice and data provider with its own trunked radio network in Belgium. |
| Fylde Micro, Ltd.: Provides trunking systems to OEMs, dealers, and end users. Includes dealer locator. |
| Genesis Group: Article describing the basics of trunking together with an industry glossary and available software programs. |
| Gould Electronics: Offers trunked radio solutions as well as shop watch schemes, conventional 2-way radio and fire service communications systems. |
| GTRAC: Resources for EDACS TrunkTracking. Includes guides on frequencies, programming, talk groups, and related links. |
| Land Mobile Spectrum Planning Options: Article discussing the sharing of trunked public safety radio systems among Federal, State, and local organizations . |
| NIC Technologies: Independent service provider of radio communication systems specializing in trunked radio and wireless point-to-point systems. |
| Nighthawk Communications, Inc.: Offers VHF and UHF wide area LTR System, sales, rentals and repair services in the Los Angeles area. |
| Team Simoco: Designs, installs, and maintains conventional and trunked radio systems. |
| TETRA: Forum representing users, manufacturers, operators, test houses and telecom agencies for terrestrial trunked radio, an open digital trunked radio standard defined by the European Telecommunications Standardisation Institute . |
| Trunking Information: Information on several Motorola systems, the EDACS system which is operated by the City of Clearwater, as well as conventional frequencies for the Greater Tampa Bay Area. |
| United States Patent: 5,815,799: Priority system for a wide area transmission trunked communication system. Here is the LTR Multi-Net Patent that explains the signaling protocol. |
| United States Patent: 5,822,314: Communications system and method of operation. A typical operational function, using timing information inherent in the transmissions, is the encryption/decryption process within the Trans European Trunked Radio (TETRA) standard. |
Classical
