Consider the following popular services:
1. Wi-Fi
2. Bluetooth
3. GPS
3. FM Radio broadcast
Which among the above fall within the UHF band of Radio spectrum?

Answer: [C] Only 1, 2 & 3

The above table solves the question. We note that maximum number of the popular services such as FM radio broadcast, television broadcast, PMR, DVB-T, MRI, PMR, television broadcast, microwave oven, GPS, mobile phone communication (GSM, UMTS, 3G, HSDPA), cordless phones (DECT), WLAN (Wi-Fi 802.11 b/g/n), Bluetooth falls in the VHF and UHF Band of the Radio Spectrum. This portion is called “Sweetspot” and is highly sought after.

This question is a part of GKToday's Integrated IAS General Studies Module