DTMF Tone Decoder from United States
A DTMF Tone Decoder extracts dialed digits from telephone line audio signals, designed for connection to telephonic apparatus. It performs an individual electrical function not specified elsewhere in Chapter 85, falling under tariff item 8543.70.00.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the decoder is not integrated into a larger telecommunication device, which could change classification
• Ensure the product meets ISED standards for connection to telephone networks
• Provide CBSA with a functional block diagram to demonstrate the individual function