Communications

02/15/2003


Adjustable buzzers

Series 04, 14, 02, and 03 are families of panel-mounted, multipurpose adjustable buzzers. They can be flush, bezel, or cutout mounted. Some models are oil and water-resistant. The sound emitted by all buzzers can be either continuous or intermittent, with adjustable sound levels for the Series 02 and 03 buzzers. EAO Switch Corp. eaoswitch.com Write 325 on PE card

Cordless phone system

EP-436 is an industrial cordless phone system that operates off a single 4-line base unit and works with 1 to 36 cordless handsets that also function as two-way radios between handsets. The system can be used as a stand-alone wireless PBX or can be used behind a wired PBX for wireless mobility. EnGenius Technologies, Inc. engeniustech.com Write 326 on PE card

Duplex wireless headset

System 902 headset continuous talking network permits users to talk and listen simultaneously. Since there are no push-to-talk (PTT) buttons, operation is hands free. Headsets, which operate in the 900 MHz license-free ISM band, require no base station. Each headphone set transmits and receives on separate channels. A noise gate feature blocks out unwanted acoustic noise. Automatic gain control (AGC) adjusts to changing input level. R-Columbia Products, Inc. rcolumbia.com Write 327 on PE card

Long range transmitters

LTX and LRX are long range radio control transmitters (LTX) and receivers (LRX) for use in wireless remote control applications. Depending on the antenna used, the range can be extended to as much as 10 miles. The extremely stable crystal-controlled transmitter accepts dry-contact input and transmits an encoded message. Federal Signal Corp. federalsignal-indust.com Write 328 on PE card





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