Modern car head units are no longer just radios. Most now come equipped with Bluetooth, Wi-Fi, GPS, and even 4G/5G connectivity. In Indonesia, any head unit with wireless features must obtain a certification from SDPPI/DJID, issued by the Ministry of Communication and Digital (KOMDIGI). What is SDPPI Postel (DJID) Certification? This certification is issued by the Directorate General of Digital Infrastructure (DJID)—previously known as SDPPI. It ensures that all wireless-capable telecommunication devices, including automotive head units, comply with Indonesian national technical standards. Why Do Automotive Head Units Need Certification? Because these devices transmit radio signals, they are classified as telecommunication

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