Service Manual

GSM-205-323
Specifications
31st Oct 01
Tech. 1–14
Technical Description: Horizon
macro
indoor
CONTROLLED INTRODUCTION
68P02902W07-B
Frequency
capability
Frequency hopping
The Horizon
macro
supports baseband frequency hopping (BBH) and
synthesizer frequency hopping (SFH).
NOTE
Baseband frequency hopping is not supported in the
GSM850 and PCS1900 Horizon
macro
variants.
Frequency band characteristics
BTS radio channels (RF carriers) are full duplex (transmit and receive) with the
characteristics listed in Table 1-12 for GSM/EGSM900 and DCS1800 BTSs and
in Table 1-13 for GSM850 and PCS1900 BTSs.
Table 1-12 Frequency band characteristics – GSM/EGSM900 and DCS1800
GSM900 EGSM DCS1800
Transmit frequency band
(MHz)
935 to 960 925 to 960 1805 to 1880
Receive frequency band (MHz) 890 to 915 880 to 915 1710 to 1785
Transmit/receive duplex
separation (MHz)
45 45 95
Channel width (kHz) 200 200 200
Number of channels 124 174 374
Transmit frequency guard
bands (MHz)
935.0 to
935.1
959.9 to
960.0
925.0 to
925.1
959.9 to
960.0
1805.0 to
1805.1
1879.9 to
1880.0
Receive frequency guard
bands (MHz)
890.0 to
890.1
914.9 to
915.0
880.0 to
880.1
914.9 to
915.0
1710.0 to
1710.1
1784.9 to
1785.0
Transmit channel centre
frequency (MHz)
Even 10ths
of a MHz
from 935.2
to 959.8
Even 10ths
of a MHz
from 925.2
to 959.8
Even 10ths of
a MHz from
1805.2 to
1879.8
Receive channel centre
frequency (MHz)
Even 10ths
of a MHz
from 890.2
to 914.8
Even 10ths
of a MHz
from 880.2
to 914.8
Even 10ths of
a MHz from
1710.2 to
1784.8