[. . . ] This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. [. . . ] This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: --Reorient or relocate the receiving antenna. --Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. If you leave the active antenna plugged in to the radio, the telescopic antenna and the ferrite bar antenna will not operate. The active antenna will give you many hours of reliable service and listening pleasure. Please read these instructions thoroughly before operating the active antenna, and retain them for future reference. It can generate heat if the positive and negative terminals of the batteries are accidentally contacted by a metallic object. â· When you are not going to use the unit for a long time, remove the batteries to avoid damage from battery leakage and corrosion. Power requirements: DC 3 V, two R6 (size AA) batteries Dimensions (w/h/d): Antenna Module In use: Approx. Batteries Supplied accessories: Carrying case (1) Batteries (2)* Design and specifications are subject to change without notice. Place the antenna module by the window or where the reception is well. When unfolding the antenna module, be careful not to hit yourself with it or your surroundings (other people and non-durable items). Pull out the long cord with a double pin plug from the antenna controller until it stops and connect it to the antenna module. [. . . ] Pull out the long cord with a double pin plug from the antenna controller until it stops and connect it to the antenna module. Take out the short cord with a single pin plug from the antenna controller and connect it to external antenna jack of the radio. [. . . ]