General description This NOVOFERM NOVOTRON 504 MAX43-4 transmitter is a new third-party remote control designed for easy programming with compatible receivers. It operates at a frequency of 433.92 MHz and features a rolling code decoder IC. Please ensure you have access to the receiver before purchasing, as it is necessary for programming. Technical specifications Frequency: 433.92 MHz Operating voltage: CR2032 (battery included) Transmission distance: 25 to 50 m in open space Decoder IC: Rolling Code Compatibility and accessories Compatible with: NOVOFERM MCHS43-2 NOVOFERM MTR43-2 NOVOFERM MNHS433-02 NOVOFERM MNHS433-04 NOVOFERM NOVOTRON 502 MAX43-2 NOVOFERM NOVOTRON 504 MAX43-4 NOVOFERM NOVOTRON 512 MIXTURE 43-2 NOVOFERM MINI-NOVOTRON 522 NOVOFERM MINI-NOVOTRON 524 Installation 1. Open the case of your receiver, located next to your engine. 2. On the receiver's electronic board, press and release the programming button (ENR, MEMO, PROG, REC depending on the model). The receiver's