 The full-length ISA and MCA cards had a socket for an encryption chip, the half-length 915 MHz ISA cards had solder pads for a socket which was never added, and the 2.4 GHz half-length ISA cards had the chip soldered directly to the board.For the IEEE 802.11 standard the goal was to provide data confidentiality comparable to that of a traditional wired network, using 64- and 128-bit data encryption technology.This first implementation was called “Wired Equivalent Privacy” (WEP).