Telegram duplicator for the Eltako RS485 bus with replaceable antenna. Standby loss only 0.5 watts. Modular device for mounting on DIN-EN 60715 TH35 rail. 1 division unit = 18mm wide, 58mm deep. Connection to the Eltako RS485 bus. Cross-wiring of bus and power supply with jumper. Operation in conjunction with FAM14 or FTS14KS. The telegrams of taught-in IDs are duplicated and sent directly to the Eltako building radio with a new output ID. These radio telegrams can be specifically taught-in to decentralized actuators. A total of 120 memory locations are available. The upper rotary switch is used to specifically send a radio telegram in accordance with the operating instructions. In normal operation it is set to RUN. The lower rotary switch is used to teach-in and delete IDs in accordance with the operating instructions. In normal operation it is set to RUN. The red LED under the upper rotary switch accompanies the programming process. The green LED under the lower rotary switch lights up briefly when a radio telegram is sent. The small antenna included can be replaced with a FAG55E or FA250 radio antenna with a magnetic base and cable.