Numerous spectators trust that issues identifying with access to the electromagnetic spectrum should be made plans to guarantee the usefulness and interoperability of IoT gadgets. Access to spectrum, both licensed and unlicensed, is basic for gadgets and items to communicate wirelessly. IoT gadgets are being created and sent for new purposes and businesses, and some contend that the present structure for spectrum allotment may not work well for these new enterprises.

@Kajal Panda

With the rapid evolution of wireless network technologies, they introduce a wide range of solutions for IoT connectivity like RFID, Bluetooth, WiFi as well as the less familiar ones like – ZigBee, Z-Wave or UWB (Wltra Wide-Band) using licence or unlicensed spectrum .

I think this small eBook will be good for you

This white paper is also good