16-channel Mono PLL Audio Transmission System, 863-865 MHz. Automatic quick-charge station, for simultaneously charging rechargeable batteries of two units from the ATS-10 series. Suitable as a tour guide system and for any other application in which a certain audio source or voice source is to be distributed to one or more receivers. Wireless transmissions of audio signals with one transmitter and one receiver are also possible. Due to the small frequency spacing in this free frequency range, a simultaneous operation of not more than two transmitters is recommended. Licence-free in the EU. Average charging time, depending on capacity and condition of the rechargeable batteries used: approx. 3-4 hours, e.g. for 1,300 mAh rech. batteries. Operating LEDs for charging and charging completed. Supplied with plug-in PSU.