Internet Access at London Heathrow LHR Airport Internet Terminals Use the fixed internet kiosks and terminals, or plug in your laptop computer to use a wired broadband connection. Available in each terminal, operated by Spectrum Interactive Ltd. Payment can be made online by credit card, by voucher, or by coin (UK pound or Euro).
Wireless internet access - High-speed wireless internet access via your laptop computer or handheld device. Wireless hotspots in the terminals allow you to connect instantly and work or surf on the move. You have a choice of service providers.
What you need: A wireless compatible (Wi-fi 802.11b) device. Most laptops have this function built in and many others can be upgraded with a wireless networking card (you can even buy these at the airport).