Cable kit for upgrading the Phone Box for Audi Q4 F4 Charging your mobile phone via wireless charging (Qi standard) Inductive coupling antenna connects the mobile phone to the external antenna Lower radiation at the interior as well as optimum reception quality Scope of delivery: Cable kit Notes: Can be retrofitted to vehicles with mobile phone preparation (PR no.: 9ZX) Only suitable for coupling antenna with Part number 4N0035502X Coupling antenna and signal amplifier/compensator are required for a complete upgrade Coding dongle part number 42894 is required Currently, the upgrade is not possible for vehicles from 25.11.2023