ZXR10 WAS (V1.0) W140A Outdoor Wireless Access Point / Bridge
Professional Installation Instruction Manual
2-8
6. Installation materials: Before the W140A is installed, making sure that all the
installation materials are ready.
7. The installation tools, instruments and documentations should be in place.
2.2.1 Channel Planning
According to the wireless LAN technology standard 802.11b and the standard of state
radio management committee, a wireless device in the wireless LAN operates at 2400
MHz ~ 2483.5 MHz, and the working frequency bandwidth is 83.5 MHz. The working
frequency is divided into 14 sub-channels, and the bandwidth of each sub-channel is 22
MHz. Fig. 2.2-1 shows the sub-channel allocations.
1 6 11
2 7 12
3
4
5 10
9
8
14
13
2.417 2.427 2.437 2.447 2.457
2.412 2.422 2.432 2.442 2.452 2.462 2.472 2.484
2.467
Fig. 2.2-1 Sub-channel Allocations
The above figure reveals that up to 13 channels are available. The IDs and central
frequencies of these 13 channels are described in Table 2.2-1.
Table 2.2-1 Channel IDs and Frequencies
Channel ID Central Frequency Low End/High End Frequency of the Channel
1 2,412 MHz 2401/2423 MHz
2 2,417 MHz 2411/2433 MHz
3 2,422 MHz 2416/2438 MHz
4 2,427 MHz 2421/2443 MHz
5 2,432 MHz 2426/2448 MHz
6 2,437 MHz 2431/2453 MHz
7 2,442 MHz 2431/2453 MHz
8 2,447 MHz 2436/2458 MHz
9 2,452 MHz 2441/2463 MHz
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