Rf Description; Wlan Rf Description - Nokia rx-34 Service Manual

RF description

WLAN RF description

Transceiver
Wlan RF implements 802.11b/g WLAN radio for embedded, low-power and small form factor mobile
applications. It conforms to the IEEE 802.11b/g protocols operating in 2.4 GHz band supporting OFDM data
rates of 54, 48, 36, 24, 18, 12, 9, and 6 Mbps as well as CCK data rates of 11 and 5.5 Mbps and legacy data
rates of 2 and 1 Mbps. IEEE802.11e/i protocol extensions are included to implement quality of service (QoS)
and security functions.
Parameter
Frequency range
Channel spacing
Number of channels
Frequency accuracy
Data rates and modulations
The RF block diagram is shown below:
Page 9 –18
2412-2472MHz
5 MHz
11 in US
13 in EU
13 in France
-+25 ppm
IEEE802.11b:
1 Mb/s BPSK, Barker spreading
2 Mb/s QPSK, Barker spreading
5.5 and 11 Mb/s QPSK, CCK coding
IEEE802.11g:
6 and 9 Mb/s BPSK
12 and 18 Mb/s QPSK
24 and 36 Mb/s 16QAM
48 and 54 Mb/s 64QAM
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System Module
Value
RX-34
Issue 2