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www .h2owireless .com. h2o Wireless is a United States-based prepaid cell phone service, that utilizes the AT&T network. [ 2] It is a brand of mobile virtual network operator (MVNO) Locus Telecommunications, a subsidiary of Telrite Holdings, Inc., since 2019. [ 1][ 3] Locus was formerly a subsidiary of KDDI America corporation, starting in 2010 ...
The Bluetooth protocol RFCOMM is a simple set of transport protocols, made on top of the L2CAP protocol, providing emulated RS-232 serial ports (up to sixty simultaneous connections to a Bluetooth device at a time). The protocol is based on the ETSI standard TS 07.10. RFCOMM is sometimes called serial port emulation.
Tethering or phone-as-modem ( PAM) is the sharing of a mobile device's Internet connection with other connected computers. Connection of a mobile device with other devices can be done over wireless LAN ( Wi-Fi ), over Bluetooth or by physical connection using a cable, for example through USB . If tethering is done over WLAN, the feature may be ...
AT&T Mobility, LLC, also known as AT&T Wireless and marketed as simply AT&T, is an American telecommunications company. It is a wholly owned subsidiary of AT&T Inc. and provides wireless services in the United States. AT&T Mobility is the second largest wireless carrier in the United States, with 114.5 million subscribers as of March 31, 2024.
OnStar Corporation is a subsidiary of General Motors [1] that provides subscription-based communications, in-vehicle security, emergency services, turn-by-turn navigation, and remote diagnostics systems throughout the United States, Canada, Chile, [2] China, Mexico, Europe, Brazil, Colombia, Argentina and the Gulf Cooperation Council countries.
Most Bluetooth headsets implement both Hands-Free Profile and Headset Profile, because of the extra features in HFP for use with a mobile phone, such as last number redial, call waiting and voice dialing. The mobile phone side of an HFP link is Audio Gateway or HFP Server. The automobile side of HFP link is Car Kit or HFP Client.
Most of the MVNOs in this table provide voice, text, and data services to mobile phones ("Yes" in Phone service column; note that this column does not indicate whether the provider sells phones – all providers offering phone service sell phones unless the "BYOD" column contains "Yes, BYOD-only").
Martin Cooper (born December 26, 1928) is an American engineer. He is a pioneer in the wireless communications industry, especially in radio spectrum management, with eleven patents in the field. [ 2][ 3] On April 3, 1973, he placed the first public call from a handheld portable cell phone while working at Motorola, from a Manhattan sidewalk to ...