Search results
Results from the WOW.Com Content Network
Shodan is a search engine that lets users search for various types of servers (webcams, routers, servers, etc.) connected to the internet using a variety of filters. [1] Some have also described it as a search engine of service banners , which is metadata that the server sends back to the client. [ 2 ]
Mobile virtual network operators (MVNOs) in the United States lease wireless telephone and data service from the four major cellular carriers in the country—AT&T Mobility, Boost Mobile, T-Mobile US, and Verizon—and offer various levels of free and/or paid talk, text and data services to their customers.
On September 2, 2001, VoiceStream Wireless Inc. adopted the name, T-Mobile USA, Inc. and began rolling out the T-Mobile brand, starting with locations in California and Nevada. [19] T-Mobile USA, Inc. was an operating entity of T-Mobile International AG, [4] before becoming a direct subsidiary of Deutsche Telekom AG. [20]
Wireless LAN (WLAN) channels are frequently accessed using IEEE 802.11 protocols. The 802.11 standard provides several radio frequency bands for use in Wi-Fi communications, each divided into a multitude of channels numbered at 5 MHz spacing (except in the 45/60 GHz band, where they are 0.54/1.08/2.16 GHz apart) between the centre frequency of the channel.
A cat repeller is a device or substance used to discourage cats from entering an area, or to encourage them to leave if they do enter. Such deterrents are most commonly used by gardeners, in order to prevent damage to their gardens, to avoid cat feces , or to protect birds .
A man sleeping on a bed with his cat A domestic kitten taken as a pet Cat on a leash enjoying the outdoors. Cats are common pets in all continents of the world permanently inhabited by humans, and their global population is difficult to ascertain, with estimates ranging from anywhere between 200 million to 600 million.
Electronic pest control is the name given to any of several types of electrically powered devices designed to repel or eliminate pests, usually rodents or insects. Since these devices are not regulated under the Federal Insecticide, Fungicide, and Rodenticide Act in the United States, the EPA does not require the same kind of efficacy testing that it does for chemical pesticides.
Frequency allocation (or spectrum allocation) is the part of spectrum management dealing with the designation and regulation of the electromagnetic spectrum into frequency bands, normally done by governments in most countries. [1]