User's Manual
Doc No: 890-03084 Date: 2017-03-24 Rev 9
Yanzi Networks Installation Manual – Smart Office 26 of 28
13. IEEE 802.15.4 Overview
IEEE 802.15.4 is a low power wireless network optimized for battery driven devices. On the world-
wide approved 2.4GHz spectrum, it supports 16 channels with 250kbps per channel where each
channel has a bandwidth of 2MHz.
A comparison with WiFi, IEEE 802.11b, can be seen on the below picture. IEEE 802.11b uses 11
channels in US and 13 channels in Europe with a bandwidth of 22MHz per channel.
Yanzi Gateways automatically select channels for IEEE 802.15.4 that sensors attach to.
2412 2417 2422 2427 2432 2437 2442 2447 2452 2457 2462 2467 2472
2412 2417 2422 2427 2432 2437 2442 2447 2452 2457 2462 2467 2472
1 7 13
1 6 11
IEEE 802.11b
Europe
IEEE 802.11b
North America
11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
2405 2410 2415 2420 2425 2430 2435 2440 2445 2450 2455 2460 2465 2470 2475 2480
IEEE 802.15.4
World-Wide
[MHz]
[MHz]
[MHz]
24072402
24072402 2477 2482