BT-BLE-ZIGBEE-DASH7

Zigbee is a low-cost wireless technology for machine-to-machine and IoT networks, operating in unlicensed radio bands including 2.4GHz, 900MHz, and ___MHz.

What is the maximum number of connected devices in a Bluetooth piconet?

• 5

• 7

• 10

• 12

Which layer is not a part of the Bluetooth protocol stack?

• Radio

• Baseband Link

• Link Manager

• TCP/IP

How does Bluetooth Low Energy (BLE) differ from Bluetooth classic in terms of power consumption and data exchange?

What are some examples of applications that can use Bluetooth technology?

• Printers

• Smartphones

• Refrigerators

• Digital cameras

In which frequency band does Bluetooth operate?

• 2.4GHz to 2.485GHz

• 5GHz to 5.5GHz

• 1GHz to 1.5GHz

• 3GHz to 3.5GHz

DASH7 Alliance Protocol operates in the ___ unlicensed ISM band.