The FIR 107 T/R system is an IR Extender over Coaxial System that allows user to control audio/video source from another room using your exisng remote control. This system consist of 2 main parts namely FIR 107R (Receiver Host) and FIR 107T (Transmier Host). FIR 107R (Receiver Host) Place at the same locaon as A/V system. Example: Living Room Living room- FIR 107R (Receiver Host) is connected to the coaxial cabling and the IR Emier on FIR 107R is to be pasted on the IR sensor of the A/V system. FIR 107T (Transmier Host)- Place at another locaon (example: bedroom) where you want to remote control the A/V system (living room). Room – FIR 107T (Transmier Host) is connected to the coax cabling in the room where you want to control your A/V system (living room). The IR Receiver on FIR 107T receive signal from remote control and send signal to the living room. Note: The remote control has to be line of sight with the IR Receiver in order to control well. Note: This IR extender kit do not extend the Audio and video signal. User has to prelay cable (HDMI, RCA cables) from A/V systems in the living room to TV in the bedroom.   Technical Details FIR107T – Transmitter Host Dimensions: 78 × 36 × 22 mm Weight (unit): 65g Connectors: IEC60 169.2 (9.5mm), 3.5mm Stereo Jack IR Receiver Cable Frequency: 30–60 kHz IR Receiver Cable Length: 3.0 m IR Receiver Cable Weight: 45g Power Supply Input: AC 110/220V Power Supply Output: DC 5V 500mA Power Supply Cable Length: 1.2 m Power Supply Weight: 68g FIR107T Total Weight: 180g   Package Includes 1 x RF Transmitter Module (FIR-107T) 1 x IR Single eye Emitter Cable 1.0m 1 x IR Single Head Receiver Cable 3.0m 1 x Power Adapter DC 5V 500mAh 1.2m 1 x User Manual