NXDNTM Forum Expands NXDN Technical Standards | Public Safety ...

Suwanee, GA ? June 24, 2011 ? The Chair of the NXDNTM Forum announces the expansion of the technical standards with the adoption of a second trunking protocol.

This important expansion to the suite of NXDN? specifications now provides two types of trunking protocols for the ultimate flexibility in satisfying market and end user narrow band digital radio system needs.

The designators for these two trunking protocols have been established as follows:

Type-C NXDN? Trunking:
This is the original NXDN? trunking protocol based on a dedicated control channel logic architecture.

Type-D NXDN? Trunking:
This is the newly adopted NXDN? trunking protocol, and is based on distributed logic architecture. (No dedicated control channel required)

NXDN? now provides the two most common trunking architectures? available worldwide under a common standard, the application and potential reach of NXDN technology has effectively doubled, with the following merits available.

• NXDN? now offers two trunking protocols under the NXDN? umbrella. This provides the advantage and flexibility for NXDN? Forum member companies and ultimately end users to choose the system solution that best suits their narrow banding and target market needs.
• Both protocols will be managed by the NXDN? Forum ensuring interoperability and maintenance of each protocol going forward.
• There will be interoperability between vendors of the trunking protocol they adopt.
• Both protocols meet the FCC narrowbanding mandate, and thus system operators and end users who adopt NXDN? trunking will be in a position to be narrow band ready for the 2013 deadline and beyond.
• Changes in frequency coordination and narrow band licensing rules are being proposed to allow smoother integration of new 6.25 kHz systems and the use of two 6.25 kHz channels in a 12.5 kHz channel. Upon ratification, this will allow the full advantages of using the 5,000 6.25 kHz VHF/UHF channels already allocated in the LMR band plan.

With over 80,000 FCC licenses already allocated for NXDN? systems, this additional trunking capability is an exciting new dimension to this rapidly growing market standard for next generation digital two-way radio communications.

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About Kenwood USA Corporation (http://www.kenwoodusa.com/)
Kenwood, founded in 1946, has been a global leader in the business domains of sound and wireless communication. Kenwood USA Corporation, founded in 1961, is the largest sales subsidiary of Kenwood Corporation and its communications sector is a provider of Land Mobile Radio and amateur radio equipments. On October 1, 2008, Kenwood Corporation became a wholly-owned subsidiary of JVC KENWOOD Holdings Inc., a joint holding company, following the management integration with Victor Company of Japan, Limited.

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About Daniels Electronics Ltd. (http://www.danelec.com/)
Daniels Electronics Ltd. designs and manufactures base stations, repeaters and lightweight transportable radio systems for public safety, land-mobile, marine station and ground-to-air communications systems. These designs are environmentally robust, allowing operation in extreme temperature conditions and in situations where low primary power consumption is a key requirement. Daniels was incorporated in 1950 and is a privately held company.

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Trident Micro Systems, headquartered in Arden, North Carolina, has been designing and manufacturing high quality products for conventional and trunked radio systems since 1985. Developing products for a worldwide audience, Trident is the developer of the PASSPORT? trunking protocol and the NTS? digital infrastructure that offers wide area dispatch networking capability with mission critical features for public safety and other private applications.

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About Hoag Electronics, Inc. (http://www.HoagElectronics.com)
Hoag Electronics is a contract electronic design firm that specializes in the design and development of new electronics products for the Land Mobile Industry. We provide a ?one-stop? turnkey electronics product design service from product conception, specification, and prototypes, all the way to ?ready to manufacture? product. We specialize in the use of Microcontrollers, DSP technology, Analog and Digital Mixed Signal applications. We have over 20 years of extensive experience in hardware circuit design, microcontroller firmware and
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About Pyramid Communications (http://www.pyramidcomm.com/)
Founded in 1990, Pyramid Communications is a designer and manufacturer of wireless data and voice transmission equipment. Committed to quality and customer satisfaction, Pyramid Communications has long been a leading
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Source: http://psc.apcointl.org/2011/06/28/nxdntm-forum-expands-nxdn-technical-standards/

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