Product manual

System description, DECT air interface
Technical Product Manual - DCT1800-GAP
TD 92093 (1/LZBNB 103 108 R4D) / 2006-03-09/ Ver.C
© 2006
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Fig. 20 CTM application of DECT
6.1.3 DECT technical characteristics
Below a number of important characteristics of DECT are listed. The explanation is given further on
in this chapter.
• 120 speech channels
• 32 kbit/s per speech channel using Adaptive Differential Pulse Code Modulation (ADPCM)
• 250 mW peak radio transmission power
• Frequency bands: 1880 - 1930 MHz
• 10 carriers and 12 time slots pairs per carrier
• Multiple Carrier (MC) system
• Time Division Multiple Access (TDMA)
• Time Division Duplex (TDD)
• Dynamic Channel Selection (DCS)
• Antenna diversity
The same phone
number wherever
you are
Outdoor
base
station
Home base
station
007