Project example: This page illustrates a typical specification-review process and does not identify a customer or claim a completed certified project.
Project Background
A buyer needs a replacement coiled microphone cable for a vehicle communication system.
Buyer Challenge
The original sample has intermittent audio near the handset and insufficient return after repeated extension.
Specification Review
The review covers connector and pinout, PTT circuit, shielding, relaxed length, working extension, straight tails and exit direction.
Proposed Cable Solution
A flexible TPU coil with application-specific conductors, shielding termination and reinforced handset strain relief is prepared for sample evaluation.
Sample and Quality Checks
- Pinout and continuity
- Audio and PTT function
- Extension and rebound
- Connector retention
- Repeated movement in the installed position
Packaging and Result
The sample is protected to avoid prolonged compression. Production proceeds only after fit and functional approval.
Need a custom TPU coiled cable? Send a drawing, sample photo or basic requirements for review.