The move will enable a faster internet connection speed for the network's customers in the borough, being five times faster than 3G.
Along with Slough and Maidenhead, there will be another 22 towns and cities across the UK who will benefit from the switch on.
Olaf Swantee, chief executive officer for EE, said: "We're delighted with the progress of the 4G rollout, we are improving the network every day, delivering superfast mobile to more and more people right across metropolitan areas, whether they're using their devices outdoors or in their homes and offices."
The 4G service will enable people to access the internet and download large email attachments at a quicker rate as well as being able to watch live television without buffering, make video calls and play live multiplayer games.
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