The "Wired for Wireless" system, an indoor-use PHS wireless system introduced by NEC Corp., has won the InfoVision '98 Award as the most innovative product of 1998, awarded by the International Engineering Consortium (IEC) in the U.S.
The Innovative Product Award of the year is presented by the IEC, a non-profit organization in the US, to the most innovative product, service and technology each year. The IEC was established in 1944 to sponsor educational/enlightenment activities for the electronic and information industries. Its objective is to foster an advanced and informed electronic information industry through the integration of education and industry. The IEC has recently began working under a broader perspective of worldwide enlightenment.

Figure 1: NEC's InfoVision Award from the IEC
Figure 2: Zone Transceiver and DSII Terminal
Figure 3: Zone Transceiver and DSII Terminal in use

The above system which is based on the PHS technology and conforms to the TIA/EIA-667 PACS-WUPE (Personal Access Communication System - Wireless User Premises Equipment) for the use of unlicensed Personal Communications systems and services in the US.
NEC introduced this system in the US in February, 1998. It operates together with the existing NEAX series PBX system by NEC. "Dterm PSII" is a mobile handset for this new system. In this system, a set number of Zone Transceiver (ZT) II's are installed to cover a business premise of a particular size. The control units are connected to the existing NEAX series PBX through a wireless card.
Its system configuration is flexible and meets the needs of many business types of different sizes and is an excellent economical solution for office environment wireless communications. It also works with other centrex-based systems.
NEAX and Dterm are registered trademarks of NEC Corp.
Wired for Wireless is a trademark of NEC America, Inc.
InfoVision is a trademark of the International Engineering Consortium.

Figure 4: Zone Transceiver and DSII Terminal chart