Compare cordless telephony, paging system and cellular system.

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Parameters	Cordless Telephony	Paging System	Cellular System
Description	Cordless telephone is telephone with wireless handset that communicates using radio waves with base station.	A paging system gives indications like musical alerts, name calling, audio signals to a particular individual whom system wants at telephone. These indications are given to radio receiver carried in the individual’s pocket.	A cellular system is a radio network distributed over areas called cells, each served by at least one transceiver known as base station.
Standards	CT2, DECT, PACS, GSM	POCSAG. FLEX, GSC	AMPS, NAMPS, USDC, IS-95
Multiple Access	FDMA, TDMA	Simplex	FDMA, CDMA, TDMA
Used For	Short distance	Country to country	Within network
Mobile station	Mobile station coverage area is low. Fewer infrastructures are required. Mobile station complexity is moderate and hardware cost is low.	Mobile station coverage area is high. High infrastructures are required. Mobile station complexity is low and hardware cost is low.	Mobile station coverage area is high. High infrastructures are required. Mobile station complexity is high and hardware cost is moderate.
Base station	Mobile station coverage area is low. Fewer infrastructures are required. Mobile station complexity is low and hardware cost is moderate.	Mobile station coverage area is high. High infrastructures are required. Mobile station complexity is high and hardware cost is high.	Mobile station coverage area is high. High infrastructures are required. Mobile station complexity is high and hardware cost is high.

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