Analog Handset Carbon Microphone Cartridge
Replaceable carbon microphone cartridge for classic line telephone handsets (8518.30.10), containing carbon granules for voice-to-electrical signal conversion. Designed for easy insertion into handset microphone housings. Classified in 8518.90.41.00 as a part of line telephone handsets.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for cellular telephone replacement
Cellular handset microphone cartridges classified separately from landline telephone parts.
If sold as insulated wire assemblies
Focus on conductive function rather than audio conversion moves to insulated wire classifications.
If primarily plastic housing without electrical function
Plastic microphone housings without active audio components classified as plastic articles.
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Import Tips & Compliance
• Include historical telephone equipment references proving compatibility with 8518.30.10 classified handsets
• Label with exact voltage/current specifications matching legacy telephone systems to avoid general parts classification
• Test for electromagnetic compatibility (EMC) as required for telecommunications replacement parts
Related Products under HTS 8518.90.41.00
Line Telephone Handset Microphone Assembly
This is the microphone component assembly specifically designed for integration into line telephone handsets classified under subheading 8518.30.10. It captures voice signals for transmission over analog telephone lines and meets the technical specifications for parts of those handsets. Classified under 8518.90.41.00 as 'other' parts of line telephone handsets.
Telephone Repeater Audio Input Module
Audio input module serving as the microphone interface for analog telephone line repeaters under subheading 8518.40.10. This part amplifies and conditions weak voice signals in long-distance analog repeater stations. Falls under 8518.90.41.00 as 'other' parts specifically for those repeaters.
Line Repeater Signal Conditioning Board
Printed circuit board assembly with microphone preamplifiers for analog telephone line repeaters (8518.40.10). Conditions low-level audio pickup signals for transmission over copper lines. HTS 8518.90.41.00 as 'other' repeater parts.
Telephone Handset Acoustic Coupler Assembly
Acoustic interface assembly that mounts inside line telephone handsets (8518.30.10) to optimize microphone pickup patterns. Includes damping materials and porting for clear voice transmission. Classified under 8518.90.41.00 for handset parts.
Analog Repeater Voice Frequency Filter Module
Module containing band-pass filters and microphone interface circuits for analog line repeaters (8518.40.10). Ensures voice signals stay within 300-3400 Hz telephony band. HTS 8518.90.41.00 as repeater part.
Handset Microphone Wiring Harness
Custom wiring harness connecting microphone elements to telephone handset base in 8518.30.10 line telephones. Includes shielding for noise rejection and strain relief. Classified 8518.90.41.00 as handset part.