WAP - Wireless Application Protocol and GSM - Global System for Mobilers

WAP  is an open international standard for aplication-layer network communications in a wireless comunnication enviroment. Most use of WAP involves accessing the mobile web from a mobile phone, it was first released in 1999 with mixed reviews across the world with it being a huge success japan however failing to impress uk citizens until 2003/04 where it sparked some interest in the uk, WAP however has died out with phones providing HTML instead.

GSM is a second generation digital mobile cullular technology using a combination of frequency division multiple access and time division multiple access (TDMA). GSM operates in several frequency bands: 400Hz, 900Hz and 1800Hz. On the TDMA side, there are eight timeslots or channels carring calls, which operate on the same frequency. The standard was joinly deeveloped between European adminstistrations under Groupe Speciale Mobile in the 1980s and introduced commercially in 1991. Unlike other cellular systems, GSM provides a high degree of security by using subscriber identity module sim cards and GSM encryption.