2PCS Novoferm Mini Novotron 522, 524 Compatible Remote Control 433.92MHz gate control Novoferm rolling code garage door opener|Remote Controls| - AliExpress
Novotron 502 Novoferm tormatic MAX 43-2 Remote Control Rolling Code 433.92MHz 4047424115800 | eBay
Novoferm Novotron 502/504/512/522/524 Compatible Garage Door Remote Control Hand Transmitter Replacement Frequency 433.92 MHz(2 Pack) : Amazon.co.uk: DIY & Tools