Usb - Nokia n81 Service Manual

RM-179; RM-223
System Module and User Interface
WLAN RFMD RF5924 front end module is used. Power amplifier, RF-switches and baluns are integrated to
FEM. The PA includes power detector for closed-loop power control purposes. WLAN/BT bandpass filter is
external ceramic filter.
Supported channels
Barker/CCK (1, 2, 5.5, 11Mbps datarate)
OFDM-BPSK (6, 9 Mb/s)
OFDM-QPSK (12, 18 Mb/s)
OFDM-16QAM (24, 36 Mb/s)
OFDM-64QAM (48, 54 Mb/s)
Power control range
Receiver sensitivity (typical)
11M/bits. 1024bytes / 8% PER
54 Mb/s, 1000 bytes, 10% PER

USB

USB (Universal Serial Bus) provides a wired connectivity between a PC and peripheral devices. It is a differential
serial bus.
USB 2.0 is supported with full speed (12 Mbps).
Hot swap is supported, which means that USB devices may be plugged in/out at any time.
This phone is provided with a specific connector for microUSB.
Issue 1
Table 8 General WLAN specifications
COMPANY CONFIDENTIAL
Copyright © 2007 Nokia. All rights reserved.
USA 1-11 (2412-2462MHz)
ETSI 1-13 (2412-2472MHz)
12 dBm
10 dBm
10 dBm
9 dBm
9 dBm
0-17dBm
-83dBm
-70dBm
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