TY - BOOK AU - Dornan,Andy TI - The Essential guide to wireless communications applications : from cellular systems to WAP and M-Commerce SN - 0130317160 U1 - 621.382 PY - 2001/// CY - Upper Saddle River, NJ PB - Prentice Hall KW - Wireless communication systems N1 - The wireless world - - Radio spectrum - - Cellular networks - - PCS standards - - Third-Generation standards - - Mobile data services - - M-Commerce - - Inside a mobile network - - Short-range wireless networks - - Phones or computers? - - Fixed wireless technology - - Internet in space ER -