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USB peripheral controller
12 Connect Wi-Wave Hardware Reference, Rev. A, 2/2008
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USB peripheral controller
The module uses a peripheral USB controller to interface to either a full speed or
high speed USB 2.0 link. The link first tries to communicate to the host system
board at the high speed USB rate (480 Mbps). If not successful, the link reverts to
the full speed USB rate (12 Mbps). This link is used for all communication between
the module and the host system board.
Note:
The Digi Connect Wi-Wave module does not support low-speed USB
connections.
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802.11b/g modes and channels
The Digi Connect Wi-Wave transmits and receives data at up to 11 Mbps when
operating in 802.11b mode and up to 54 Mbps when operating in 802.11g mode. It
supports these 802.11b/g channels:
Channels 1 through 11 for North America (2.401 GHz–2.473 GHz)
Channels 1 through 13 for Europe (2.401 GHz–2.483 GHz)
Channels 1 through 14 for Asia (2.401 GHz–2.495 GHz)
Channel
allocations
Channel Center frequency
(MHz)
Frequency spread
(MHz - MHz)
1 2412 2401 - 2423
2 2417 2406 - 2428
3 2422 2411 - 2433
4 2427 2416 - 2438
5 2432 2421 - 2443
6 2437 2426 - 2448
7 2442 2431 - 2453
8 2447 2436 - 2458
9 2452 2441 - 2463
10 2457 2446 - 2468
11 2462 2451 - 2473
12 2467 2456 - 2478
13 2472 2461 - 2483
14 2484 2473 - 2495