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©2001 Nokia Mobile Phones. All rights reserved. 35
Antenna adapter
The antenna adapter allows an external
antenna to be connected to the Nokia 22.
For further information, see “7. Technical
specifications” on page 36 and “ Installing
the antenna adapter” on page 23.
Backup battery set
You can connect an external backup bat-
tery BBW-4 with the power supply ACW-
4 to the Nokia 22.
Use the backup battery to provide termi-
nal functionality, for example during a
power cut.