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AT&T Shuts Down Its 2G Wireless Network Creating Problems for San Francisco’s NextBus System

Phillip Dampier January 18, 2017 AT&T, Broadband Speed, Consumer News, Wireless Broadband No Comments

Connecting… but never connected at this San Francisco bus stop, because AT&T pulled the plug on the 2G service San Francisco’s public transit system relies on. (Photo Courtesy: Rick/Flickr)

AT&T quietly closed down its 2G wireless network nationwide on Jan. 1, 2017, stranding some very old phones left with Wi-Fi only service and causing irritation for San Francisco’s public transit system.

“To help support the massive growth of mobile internet usage and free up spectrum for newer technologies, we discontinued service on our 2G wireless networks Jan. 1, 2017,” AT&T said in a statement released Tuesday. “Since launching our 2G networks, technologies like smart phones, social media and wirelessly connected devices have changed the network landscape. In fact, since 2007, data usage on our network has grown by 250,000% with video being a significant contributor to this growth.”

You were warned: AT&T sent letters to affected customers several months before the shutdown.

2G has been around since the early 1990s and supported data speeds up to 64kbps, just a bit faster than dial-up. 2G was incorporated into slimmed down handsets that replaced early behemoth “brick”-sets, some models with improved video screens to display pictures and text messages. It would take the advent of 3G networks, introduced in 1998, to launch a full scale smartphone revolution.

The most notable phone that no longer has access to AT&T’s network is the original Apple iPhone, first released ten years ago. It will still work on Wi-Fi, but mobile data over AT&T’s network no longer functions.

Perhaps the biggest impact from AT&T’s network closedown came in San Francisco, where local public transit officials in the midst of a multi-year technology upgrade were caught by surprise by the 2G shutdown, leaving the NextMuni bus timing information system disabled. AT&T’s 2G wireless network provided data to and from 70% of the city’s Muni vehicles, including timing and arrival information for riders. When the system shut down, buses stopped reporting accurate arrival and departure information. City officials have temporarily suspended the NextMuni program until it can upgrade its fleet. A San Francisco transit officials told SFBay that could take weeks.

Verizon plans to shut down its 2G CDMA 1X network by 31 December 2019 while T-Mobile US has postponed shutdown of their 2G network until 2020.

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