1 The license-free IEEE802.11 radio, also known as the Wi-Fi, can operate in the 2.4 GHz industrial, scientific, and medical (ISM) radio band that has a frequency range of 2.4-2.4835 GHz. Each Wi-Fi transmission takes 22 MHz bandwidth. (a) Determine how many non-overlapping channels can be accommodated in the 2.4 GHz ISM band. (b) IEEE 802.11 standard allows 13 overlapping channel settings in this band from Channel 1 (centered at 2.412 GHz) up to Channel 13 (centered at 2.472 GHz). Adjacent channel center frequencies are 5 MHz apart. If one of your close neighbors has set up his/her Wi-Fi on Channel 4 centered at 2.427 GHz, what are possible channel settings you should use for your Wi-Fi network in this ISM band to avoid interference