Telephone Answering Machine Main PCB
Printed circuit assembly containing the microcontroller, memory, and signal processing chips specifically designed for telephone answering machines of heading 8521. It handles voice recording, playback, and call detection functions. Classified under 8522.90.45.00 as a dedicated part for answering machines.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| šØš³China | Free | +35.0% | 35% |
| š²š½Mexico | Free | +10.0% | 10% |
| šØš¦Canada | Free | +10.0% | 10% |
| š©šŖGermany | Free | +10.0% | 10% |
| šÆšµJapan | Free | +10.0% | 10% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If designed for telephone sets with built-in answering functions
Integrated telephone-answering combos fall under 8517 as complete telecom apparatus rather than separate parts.
If for use with video recording/reproducing apparatus
PCAs for VCRs or DVD recorders go to different 8522.90 subheading based on principal apparatus.
If sold as part of complete computer data recording systems
If principally for computer peripherals rather than audio/telecom, shifts to Chapter 84 assemblies.
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Import Tips & Compliance
ā¢ Verify the PCA is solely for answering machines with technical specs and diagrams; generic PCBs may reclassify
ā¢ Include Bills of Materials (BOM) listing components tied to 8521 apparatus
ā¢ Watch for undervaluation audits on high-value ICs
Related Products under HTS 8522.90.45.00
Answering Machine Audio Codec PCA
Specialized printed circuit board with ADC/DAC chips and amplifiers for digitizing and reproducing voice messages in telephone answering devices. Essential for the core recording functionality of 8521 apparatus. Falls under 8522.90.45.00 due to its principal use in answering machines.
Digital Answering System Control Board
Printed circuit assembly with flash memory controller and DTMF decoder for digital telephone answering machines. Manages message storage and remote access codes per heading 8521 specs. Specifically classified in 8522.90.45.00 for answering machine parts.
Caller ID Interface PCA for Answering Machines
Printed circuit board integrating FSK demodulator and display driver for capturing caller information in telephone answering systems. Directly supports 8521 answering machine functionality. HTS 8522.90.45.00 applies to these dedicated assemblies.
Voice Message Playback Amplifier Board
Audio power amplifier printed circuit assembly optimized for speaker output in telephone answering machines. Handles message playback volume control and tone generation for 8521 devices. Classified under 8522.90.45.00 as answering machine-specific part.
Remote Access Modem PCA
Printed circuit assembly with DTMF tone decoder and line interface for remote message retrieval in answering machines. Enables phone-based control of 8521 apparatus functions. HTS 8522.90.45.00 for dedicated answering machine telecom parts.
Answering Machine Power Management PCB
Printed circuit board with DC-DC converters and battery charging circuits tailored for continuous operation of telephone answering machines. Ensures reliable 8521 apparatus uptime during outages. Specific to 8522.90.45.00 classification.