WPC full name is the Wireless Planning and Coordination Wing, India's control Wireless regulatory agencies, all Wireless products before entering the market in India has to be approved by WPC Wireless products Wireless authentication can be divided into the ETA (Equipment Type of Approval) certification and License License two modes, the judgement based on the application Equipment used for free and open to work frequency band, the need to apply for ETA certification;If the device USES other non-free spectrum, such as GSM WCDMA phones, it will need to apply for a license