Congratulations
on your new Nortel 743X/744X handset
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)
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.
