No flash plug
A quick look at AKG's wireless mics. Both the analogue and digital setups have a few clever features such as built in screwdrivers to adjust the gain levels and an impressive 30 hour battery life from the single AA battery in the WMS40.
The digital rig uses the 2.4Ghz frequency and is an uncompressed 24bit signal.
More info at www.akg.com