... or pollution. Indoor use of infrared technology was found to be impractical because it required an unobstructed, direct line-of-sight to operate properly. Low-powered microwave transmission, developed by Motorola, could carry an 18 MHz signal at a maximum of 120 feet through drywall - but it couldn't penetrate brick. Because microwaves are multidirectional and bounce off of different objects - even people ... ...

• Word Count: 2231
• Approx Pages: 9
• Has Bibliography

... in wireless services and is paving the way for PCS. In actuality power paging is a bit of a misnomer, in that the terminal is more of a computing device than standard pagers. "Motorola has made a bid for leadership in the two-way wireless market with the announcement of Memos, an ambitious, client/server-based messaging platform" (Matzkin 31). Memos provides both a complete operating ... ...

• Word Count: 1589
• Approx Pages: 6
• Grade Level: Undergraduate