O2 (UK) congestion. BT Cellnet launched the world's first GPRS network on 22 June 2000, although GPRS-enabled devices were uncommon at that time. O2 publicly announced on 15 December 2009 that it had successfully demonstrated a 4G connection using LTE technology installed in six masts in Slough. The technology, which was supplied by Huawei, achieved a peak downlink rate of 150 Mbps. In January 2012, the company announced plans to provide free internet to millions of residents and visitors in central London, by launching Europe's largest free Wi-Fi zone, along with free Wi-Fi access for anyone on any network in and around
Safelayer Secure Communications Safelayer Secure Communications Safelayer Secure Communications S.A. is a Spanish private company founded in May 1999. It develops software products on the Public key infrastructure area (digital security for the identity management, electronic signature and data protection). Safelayer's technology is part of the three major certification and digital identity projects in Spain: Fábrica Nacional de Moneda y Timbre, the Spanish ID card "DNI electrónico" and the Spanish E-passport. Safelayer's technology also secures the NATO X400 messaging system". Safelayer's technology has been and Common Criteria certified. Currently, Safelayer is the only company with a whole family of products CC EAL4+ certified.