Chesapeake Microwave
Chesapeake Microwave Technologies Inc. introduced a 50-watt personal communications services Global System for Mobile communications amplifier and a 30-watt DCS GSM amplifier. The 50-watt PCS GSM amplifier is a Gallium Arsenide FED Class AB linear amplifier that provides 45 dB of gain and 50 watts of GSM output power. It serves the forward-channel transmission requirements of a typical PCS system, said the company. The 30-watt DCS GSM amplifier provides 42 dB of gain and 30 watts of GSM output power. (717) 235-1655, ext. 112.
K&L Microwave
K&L Microwave Inc. introduced a fullband DCS duplexer, the WSD-00018, for BTS Micro or Pico Cellular for handset test set applications. It offers 1.0dB maximum insertion loss and 14dB minimum return loss while maintaining a 50dB minimum passband-to-passband isolation, 50dB minimum receive rejection and 50 dB minimum transmit rejection. The product will be in stock next week. The WSD00026 is a fullband EGSM duplexer for the same applications, offering 1.2dB maximum insertion loss and 14dB minimum return loss. It is expected to be in stock in about five weeks. (410) 749-2424.
Hewlett-Packard
Hewlett-Packard Co. incorporated its code-domain power measurement software for wideband Code Division Multiple Access into the HP 89400 series vector signal analyzer, said the company. The measurement capability, which formerly was available as a beta-version software package only, enables wireless research and development engineers to develop W-CDMA base stations for the experimental system being tested by NTT DoCoMo in Japan. The HP 89441A vector signal analyzer with W-CDMA code-domain power measurement capability is available and priced starting at $72,000. (800) 452-4844, ext. 6067 or www.hp.com/go/wireless.
Glenayre Technologies
Glenayre Technologies Inc.’s Western Multiplex announced three new microwave radios at the PT/Expo Comm trade show in Beijing. The first two are additions to its LYNX family of license-free spread spectrum radios. The WM-1500 is a full duplex, 4.E1 capacity radio that operates in the 1.5 GHz band, providing point-to-point communications of more than 80 kilometers. It is designed for applications that require low-to-medium capacity voice and data connections, such as base station connections in a cellular infrastructure. (704) 553-0038.
SanDisk
SanDisk Corp. introduced a solid-state flash memory card in the CompactFlash Type II form factor, approved by the CompactFlash Association last March. The new card can store 160 megabytes of data, audio and images, said the company. SanDisk is using the CompactFlash Type II cards, which are 5 millimeters thick, to offer higher capacity flash memory for mobile devices. Manufacturers of Input/Output devices will use the CF Type II form factor to include wireless pager, fax modem, Ethernet, Local Area Network and other I/O cards and magnetic disk cards, said Sunnyvale, Calif.-based SanDisk. The cards are being designed into palm-sized and handheld personal computers and auto PCs. The company said the new form factor allows mobile devices more I/O functionality and expandability. (408) 542-0500.
Hutton
Dallas-based Hutton Communications released its 1999 Product Selection Guide. The catalog has a new format and has been expanded to more than 1,000 pages, with more product illustrations and specifications, said the company. The guide has five sections: site infrastructure products, radio communications equipment, power systems products, wireless telephone accessories and test and shop equipment. Products from more than 125 manufacturers are represented and more than 10,000 products are illustrated in the catalog. (972) 417-0100.
