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Examples of one-way digital radio:

• Digital television broadcasting:
  • DVB
  • 8VSB
• Digital audio broadcasting:
  • Eureka 147 (branded as DAB)
  • in-band on-channel (branded as HD Radio)
  • Digital Radio Mondiale (branded as DRM)
• Low-bandwidth digital data broadcasting over existing FM radio:
  • Radio Data System (branded as RDSRDS is an abbreviation for all of the following: Radio Data System Respiratory distress syndrome Royal Dublin Society Le Reseau des sports (RDS) Inc. a French-language cable TV sports network in Quebec and Canada, owned by Bell Globemedia TLAs.)
• Radio pagerA pager is an electronic device used to contact people. It pre-dates mobile phone technology, but similarly uses radio transmissions to communicate between a control/call centre and the recipient. Many pagers use the FLEX on-air protocol. Early pagers onls:
  • POCSAG

Examples of two-way digital radio:

• Digital cellular telephony:
  • GSM
  • UMTS
  • TETRA
  • IS-95Interim Standard 95 (IS-95 is the first CDMA-based digital cellular standard pioneered by Qualcomm. The brand name for IS-95 is cdmaOne . It is now being supplanted by IS-2000. It is used in the US and in Korea. mobile telephony standards.
  • IS-136IS-136 is a second-generation ( 2G) mobile phone system also called D-AMPS . It is now mostly being superseded by GSM systems, but even in its heyday was primarily used only in the Americas, particularly the U. IS-136 was designed as a digital extension t
  • IS-2000
  • iDEN
• Wireless networking:
  • Wi-Fi
  • HIPERLAN
  • Bluetooth
  • ZigBee
• Amateur packet radio :
  • AX.25
• Digital modems for HF:
  • PACTOR
• Satellite radio:
  • Satmodems
• Wireless local loop:
  • Basic Exchange Telephone Radio Service
• Broadband wireless access:
  • IEEE 802.16