FALCOM TANGO55i, Hardware Description

Page: 19 / 46

TANGO55/
I
& TANGO56/
I
V
ERSION
1.03
2.4 Air interface of the TANGO55 GSM/GPRS engine, only
Test conditions:
All measurements have been performed at T
amb
= 25 °C, V
VIN
typ. = 12 V DC.
Parameter Min Typ. Max Unit
GSM 900 880 915 MHz
GSM 1800 1710 1785 MHz
Frequency range
Uplink (MS
→ BTS)
GSM 1900 1850 1910 MHz
GSM 900 925 960 MHz
GSM 1800 1805 1880 MHz
Frequency range
Downlink (BTS
→ MS)
GSM 1900 1930 1990 MHz
GSM 900 31 33 35 dBm
GSM 1800 28 30 32 dBm RF power @ ARP with 50 Ω load
GSM 1900 28 30 32 dBm
GSM 900 174
GSM 1800 374 Number of carriers
GSM 1900 299 dBm
GSM 900 45 MHz
GSM 1800 95 MHz
Duplex spacing
GSM 1900 80 MHz
Carrier spacing 200 kHz
Multiplex, Duplex TDMA/FTDMA, FDD
Time slots per TDMA frame 8
Frame duration 4.615 ms
Time slot duration 577 µs
GMSK
GSM 900 -102 -107 dBm
GSM 1800 -102 -106 dBm
Modulation
Receiver input sensitivity @ ARP
BER Class II < 2.4 %
GSM 1900 -102 -105.5 dBm
Table 5: Air Interface
2.5 Air interface of the TANGO56 GSM/GPRS engine, only
Test conditions:
All measurements have been performed at T
amb
= 25 °C, V
VIN
typ. = 12 V DC.
This confidential document is the property of FALCOM GmbH and may not be copied or circulated without permission.
Page 18
Parameter
Frequency
Channel
Min Typ. Max Unit
GSM 850 824 849 MHz
GSM 1800 1710 1785 MHz
Frequency range
Uplink (MS
→ BTS)
GSM 1900 1850 1910 MHz
GSM 850 869 894 MHz
GSM 1800 1805 1880 MHz
Frequency range
Downlink (BTS
→ MS)
GSM 1900 1930 1990 MHz
128 - - 31.51 dBm
188 - - 31.69 dBm
GSM 850
251 - - 31.82 dBm
GSM 1800 - - - - -
512 - - 27.43 dBm
661 - - 27.57 dBm
RF power @ ARP with 50 Ω
load
PCS 1900
810 - - 28.16 dBm
GSM 850 124
GSM 1800 374 Number of carriers
PCS 1900 299 dBm
GSM 850 45 MHz
GSM 1800 95 MHz
Duplex spacing
PCS 1900 80 MHz
Carrier spacing 200 kHz