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India’s digital ecosystem is expanding at an unprecedented pace. From smartphones and Wi-Fi routers to Bluetooth speakers and IoT devices, wireless technology drives communication, entertainment, and commerce. But with this growth comes the responsibility to ensure that every product using radio frequency (RF) signals is safe and does not interfere with other communication networks. WPC license requirement, To maintain this balance, the Wireless Planning & Coordination (WPC) Wing of the Department of Telecommunications (DoT) requires an Equipment Type Approval (ETA) certificate for most wireless products. Without a valid WPC ETA, importing, manufacturing, or selling these devices in India is illegal.