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Congratulations
on your new Nortel 743X/744X handset
The handset 743X/744X will provide you with
the greatest possible degree of flexibility and
mobility due to high battery capacity, practi-
cal weight, size and design.
X represents the frequency variant of
the models:
0 = (2.4 GHz frequency band)
2 = (1900 - 1920 MHz frequency band)
3 = (1880 - 1885 MHz frequency band)
4 = (1900 - 1930 MHz frequency band)
5 = (1880 - 1900 MHz frequency band)