The WPC ETA Certificate is mandatory for businesses importing or manufacturing wireless-enabled products in India that operate on license-exempt frequency bands such as Bluetooth, Wi-Fi, RFID, and NFC. Importers, foreign manufacturers, and technology companies must obtain ETA approval before customs clearance, sale, or distribution to ensure compliance with Indian frequency and power ... https://www.skmcglobal.com/blog/wpc-eta-certification-for-import-in-india