Works as described, but the iPad needs a clear line-of-sight to stay connected. I have my L20 pushed against a wall, and if you are standing over the board, OK, otherwise it loses signal. The advantage of this device is that remote devices can alter the mix or monitor mix, so needs better range or a re positioned mixer.
Works a treat. Overpriced everywhere but we need it so ...
Should have been included with the ARQ AR-48, or built in like on its predecessor.
It just works. You'll need two of these overpriced little gems.