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High Speed Downlink Packet Access (HSDPA) is an enhanced 3G (third-generation) mobile communications protocol in the High-Speed Packet Access (HSPA) family. HSDPA is also known as 3.5G and 3G+ . It allows networks based on the Universal Mobile Telecommunications System (UMTS) to have higher data speeds and capacity.
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.
An especially notable development during this time is the smartphone (for example, the iPhone, and the Android family), combining the abilities of a PDA with a mobile phone, leading to widespread demand for mobile internet connectivity. 3G has also introduced the term "mobile broadband" because its speed and capability made it a viable ...
In 2013, the North Carolina Senate passed a bill to explore raising the speed limit on certain low volume freeways to 75 mph (121 km/h). The bill would have given the DOT permission to raise the speed limit on freeways deemed safe for 75 mph travel. However, the House defeated the bill, and no efforts have been made to raise them since.
Though school hours in California might range from about 7 a.m. to 4 p.m., Olsen said drivers should still be cautious when passing by a school zone because after-school programs can last until 6 p.m.
A Home Node B, or HNB, is the 3GPP's term for a 3G femtocell or Small Cell.. A Node B is an element of a 3G macro Radio Access Network, or RAN.A femtocell performs many of the function of a Node B, but is optimized for deployment in the indoor premises and small coverage public hotspots.
Good coverage due to low frequencies Very low density Hard No 2G: TDMA and FDMA: GSM: Digital: 1991 Worldwide, all countries except Japan and South Korea SIM card: Some electronics, e.g. amplifiers Good coverage indoors on 850/900 MHz. Repeaters possible. 35 km hard limit. Very low density Hard Yes GPRS Class A 2G: CDMA: IS-95 (CDMA one ...
In Georgia, there is an “absolute speed limit” law, prohibiting Georgia drivers from going too fast in school zones, residential areas, unpaved roads and on highways.