Answer Description
Because this is an intermittent issue, the problem likely lies with the wireless signal due to a problem with interference, channel settings, or the antenna itself.
Wikipedia
Wi-Fi () is a family of wireless network protocols, based on the IEEE 80211 family of standards, which are commonly used for local area networking of devices and Internet access Wi‑Fi is a trademark of the non-profit Wi-Fi Alliance, which restricts the use of the term Wi-Fi Certified to products that successfully complete interoperability certification testing As of 2010, the Wi-Fi Alliance consisted of more than 375 companies from around the world As of 2009, Wi-Fi-integrated circuit chips shipped approximately 580 million units yearly Devices that can use Wi-Fi technologies include desktops and laptops, smartphones and tablets, smart TVs, printers, digital audio players, digital cameras, cars, and drones
Wi-Fi - Wikipedia, the free encyclopedia