8.2
Wireless System Installation
DECT Portable Station Section
8-3
8.2
Wireless System Installation
8.2.1
Wireless System Outline
System Capacity
RF Specifications
Radio Access Method
Frequency Band
Number of Carriers
Carrier Spacing
Gross Bit Rate
Carrier Multiplex
Frame Length
Modulation Scheme
Data Coding for Modulator
Voice CODEC
Transmission Output
Multi Carrier TDMA-TDD
1.881 – 1.907 MHz
10
1.728 MHz
1.152 bps
TDMA, 24 (T
×
12, R
×
12) sliots per frame
10 msec
GFSK
Roll–off factor = 0.5 50% roll–off in the transmitter
Differencial Coding
32 Kbps ADPCM (CCITT G.721)
Max. 250 mW
I
TEM
D
ESCRIPTION
Connectable Number of Cell Station (KX-TD142)
KX-TD144
KX-TD144
×
2
KX-TD146
KX-TD146
×
2
KX-TD144+
KX-TD146
Main Unit
Interface Unit
2
–
6
–
–
2
4
6
12
8
2
4
6
12
8
KX-TD816
KX-TD1232
KX-TD1232
×
2
Connectable Number of Portable Station (KX-TD7500)
PS (Portable Station)
16
64
64
KX-TD816
KX-TD1232
KX-TD1232
×
2
Summary of Contents for KX-TD1232E
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