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Section XVIII — Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; clocks and watches; musical instruments; parts and accessories thereof

Subheading

903040

Other instruments and apparatus, specially designed for telecommunications (for example, crosstalk meters, gain measuring instruments, distortion factor meters, psophometers)

Common commodities
Telecom Analyzer for interference assessmentLine Tester for frequency response analysisProtocol Analyzer for data packet testingNetwork Signal Meter for attenuation measurementCross-talk Meter for cable pair analysisGain Measuring Instrument for amplifier evaluationDistortion Factor Meter for signal quality checkPsophometer for speech quality testingBit Error Rate Tester for digital communication diagnosticsSignal Level Meter for power level assessment

HS codes