Designed for quick and easy use Perfect balance between price and performance, the AT-One is ideal for those looking for reliable results at low prices The frequency plan of AT-One is divided into two groups with 4 channels available in each group, one in the range of authorized European frequencies and the other in the duplex Gap Users can choose up to 4 channels in a group The ATW-13F system is equipped with a cardioid condenser handheld transmitter RF transmission power 10mW Up to 10 hours' battery life with 2 x 1.5V AA batteries RF Indicator light Robust construction from high quality compponents Delivered in a transport case with a rack mount kit and detachable antenna