Two different approaches for constructing a steganographic channel in an IEEE 802.11 (WLAN) network are introduced in this paper. First test results on the reliability, undetectability and capacity of a prototypical implementation of both approaches are described and discussed. Categories and Subject Descriptors: H.4.3 [Communications Applications] - Computer conferencing, teleconferencing, and videoconferencing; E.4 [Coding and Information Theory] Formal models of communication General Terms: Algorithms, Measurement, Performance, Design, Reliability, Experimentation, Security