RF-SIM card is an intelligent calling card that can realize near-field communication. The patented technology is a full-service platform, which can replace wallets, keys and ID cards. Its biggest feature is that you don't need to change your mobile phone. The existing mobile phone will become a mobile phone with NFC-like function when the smart card is changed, but the frequency used is 2.45G, not 13.56M, the communication distance can be automatically adjusted at 1-500CM, and it supports one-way1000 m (data broadcasting).
SIM card is used for normal mobile communication and authentication, and only for physical connection with mobile phone.
Built-in software is used to manage VIP membership cards such as high-security RF-ID based on mifare logic, built-in e-credit electronic credit card and EMV electronic wallet.
Use micro RF module to communicate with external equipment through built-in antenna.