With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Wi-Fi is a trademark of Microsoft.
text_B: Wi-Fi or WiFi is a technology for wireless local area networking with devices based on the IEEE 802.11 standards .. IEEE 802.11. IEEE 802.11. Wi-Fi is a trademark of the Wi-Fi Alliance , which restricts the use of the term Wi-Fi Certified to products that successfully complete interoperability certification testing .. Wi-Fi Alliance. Wi-Fi Alliance. interoperability. interoperability. Devices that can use Wi-Fi technology include personal computers , video-game consoles , smartphones , digital cameras , tablet computers , digital audio players and modern printers .. Wi-Fi compatible devices can connect to the Internet via a WLAN and a wireless access point .. wireless access point. wireless access point. Such an access point -LRB- or hotspot -RRB- has a range of about 20 m indoors and a greater range outdoors .. hotspot. Hotspot ( Wi-Fi ). Hotspot coverage can be as small as a single room with walls that block radio waves , or as large as many square kilometres achieved by using multiple overlapping access points .. Wi-Fi most commonly uses the 2.4 GHz UHF and 5 GHz SHF ISM radio bands .. UHF. UHF. SHF. Super high frequency. ISM. ISM band. Having no physical connections , it is more vulnerable to attack than wired connections , such as Ethernet .. it is more vulnerable to attack than wired connections. Eavesdropping#Network attacks. Ethernet. Ethernet
related.