Telecomando per CARDIN S449 QZ1, S449 QZ2, S449 QZ3. S449 QZ4

CARDIN S449 QZ4. CARDIN S449 QZ1. CARDIN S449 QZ3. CARDIN S449 QZ2. For example, fixed code or rolling code. Frequencies are 315MHz. and 868.35MHz. How it is difficult to program it?.

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