Date: August 9, 2005
Ref.: PTA12-100 Tested with MagnaStar

NAT Announces Successful Testing of PTA12-100 Airborne
Telephone Dialer/Adapter with MagnaStar® Telephone System

Northern Airborne Technology Ltd. (NAT) is pleased to announce successful testing of the PTA12-100 Digital Airborne Telephone Dialer/Adapter with the MagnaStar® Digital Airborne Telephone System, interfaced thru Teledyne's Cabin Distribution Bus Repeater, Model 2 (CDBR-2). The CDBR-2 is an optional unit used with the MagnaStar C-2000 and C-750 telephone systems. System integration and testing were accomplished by Teledyne Controls’ personnel at their Los Angeles facility.

The PTA12-100 Dialer/Adapter is a compact Dzus mounted telephone interface with a full function Touchtone keypad and LED display. Utilizing the 2 wire POTS (Plain Old Telephone Service) interface from the telephone, the PTA12-100 provides complete telecom control and standard DTMF (Dual Tone Multi Frequency) dialing capabilities. Speed dial allows numbers to be stored and recalled from memory. The interface allows the flight crew to access the telephone system through the aircraft’s audio system, maintaining full headset operation. A handset can also be used in parallel with the PTA12 (-000 or -100) to provide satcom system access for the cabin. The PTA12-100 can be used with many of today’s airborne telephone systems including Globalstar, Iridium, Inmarsat and airborne cellular.

Designed to be installation flexible, the PTA12-100 features several field adjustable settings such as mic, sidetone, DTMF and ringer output levels. The backlighting is LED for high reliability and can be adjusted to match the lighting range of the aircraft’s other avionics controls. Built to NAT’s usual high standards, the PTA12-100 has a solid chassis design with an aluminum bezel and utilizes surface mount technology.

With over 4000 users, MagnaStar is the industry dominant air telephone system designed specifically for corporate and regional aircraft. Operating over the Verizon Airfone® digital telephone network, MagnaStar is designed and manufactured by Raytheon Company and exclusively distributed to the general aviation market by Teledyne Controls. MagnaStar is a registered trademark of Raytheon Company.

A member of the Chelton Group of companies, NAT is a leader in communication equipment for special mission aircraft applications. Products include Audio and RF Controllers, FM Radios, Intercoms,
PA and Loudhailer Systems, Satellite Communication Systems and Data Interface Accessories.

For further information, visit www.northernairborne.com or contact Ray Lewis, Director of Business Development, at Tel: (250) 763-2232, Toll-free (888) 763-2232, Fax: (250) 762-3374 or e-mail rayl@natech.com.

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