BT FREESTYLE 120 PLUS User Manual page 24

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Technical information
However, all approved cordless phones use
radio to communicate between the base and
cordless handset units. It is therefore possible
that your conversations could be overheard
by other people, on their cordless phones, or
on ordinary radios that use the same radio
frequencies.
As this problem applies equally to all similar
cordless phones currently available in the UK,
call privacy cannot be guaranteed. However,
the security coding prevents unauthorised use
of your line.
You may find that your Freestyle 120 Plus
picks up conversations from other cordless
phones being used nearby.
If you experience this type of interference try
changing channels using the
button on the handset.
SEEKER
Transmission frequencies
This cordless telephone has been designed to
operate on radio frequencies which have been
assigned to the exclusive use of cordless
telephones. As the use of cordless telephones
becomes more widespread, users may
experience a reduction in the quality of
service obtained from this apparatus.
22
CHANNEL
Transmission frequencies of available
channels:
Channels
Base Unit Tx
Frequency/MHz
1
31.0375
2
31.0625
3
31.0875
4
31.1125
5
31.1375
6
31.1625
7
31.1875
8
31.2125
Ringer Equivalence Number (REN)
Although you may have any number of
sockets it it important to limit the number
of telephones and other items of apparatus
connected to the line by those sockets, to
ensure that each telephone will ring.
Every telephone or item of apparatus has a
Ringer Equivalence Number (REN). In most
cases a standard line should provide enough
current for two or more telephones or items
of apparatus, if the RENs add up to no more
than 4.
Freestyle 120 Plus has a REN of 1. Any
telephone provided by BT may be assumed to
Handset Tx
Frequency/MHz
39.9375
39.9625
39.9875
40.0125
40.0375
40.0625
40.0875
40.1125

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