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What are TDMA, CDMA, GSM, iDEN, and PCS?

April 26, 2017CDMA GSM iDEN PCs TDMA

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What are TDMA, CDMA, GSM, iDEN, and PCS?

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TDMA (Time Division Multiple Access): Divides the cellular signal into packets based on a time algorithm. CDMA (Code Division Multiple Access): Divides the cellular signal into packets based on a code. This is the newest technology available in this area. CDMA phones don’t have the “digitized” sound quality that TDMA phones are infamous for. Additionally, CDMA has the potential to carry twice the capacity of TDMA. GSM (Global System for Mobile communication): GSM phones use a TDMA technology. This is the most common system used overseas (Europe and Asia). iDEN (Integrated Digital Enhanced Network): Used exclusively by NEXTEL phones. iDEN phones operate on a specific TDMA architecture. PCS (Personal Communication Services): PCS can stand for any wireless personal communication service (cell phone, pager, PDA). It is most commonly identified with high frequency (1.9Ghz) CDMA cellular service.