Cinterion EGS5, Hardware Interface Description

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EGS5 Hardware Interface Description
5.8 Air Interface
104
EGS5_HD_v02.004 Page 103 of 123 2012-02-09
Confidential / Released

5.8 Air Interface
Test conditions: All measurements have been performed at T
amb
= 25×C, V
BATT+ nom
= 4.0V. The ref-
erence points used on EGS5 are the BATT+ and GND contacts (test points are shown in Figure 4 ).
Table 35:
Air interface
Parameter Min Typ Max Unit
Frequency range
Uplink (MS

BTS)
GSM 850 824 849 MHz
EGSM 900 880 915 MHz
GSM 1800 1710 1785 MHz
GSM 1900 1850 1910 MHz
Frequency range
Downlink (BTS

MS)
GSM 850 869 894 MHz
EGSM 900 925 960 MHz
GSM 1800 1805 1880 MHz
GSM 1900 1930 1990 MHz
RF power @ ARP with 50

load GSM 850 31 33 35 dBm
EGSM 900
1
1.
Power control level PCL 5
31 33 35 dBm
GSM 1800
2
2.
Power control level PCL 0
28 30 32 dBm
GSM 1900 28 30 32 dBm
Number of carriers GSM 850 124
EGSM 900 174
GSM 1800 374
GSM 1900 299
Duplex spacing GSM 850 45 MHz
EGSM 900 45 MHz
GSM 1800 95 MHz
GSM 1900 80 MHz
Carrier spacing 200 kHz
Multiplex, Duplex TDMA / FDMA, FDD
Time slots per TDMA frame 8
Frame duration 4.615 ms
Time slot duration 577 µs
Modulation GMSK
Receiver input sensitivity @ ARP
BER Class II < 2.4% (static input level)
GSM 850 -102 -108 dBm
EGSM 900 -102 -108 dBm
GSM 1800 -102 -107 dBm
GSM 1900 -102 -107 dBm