- Easy to Install and Maintain: Simplified setup process allows you to get started quickly and keep your system running smoothly. - Wide Compatibility: Supports GSM frequencies of 850/900/1800/1900 MHz, ensuring seamless connectivity with various networks. - Key Features: - PIN Code Input: Provides an extra layer of security, allowing only authorized users to access the device. - Mutual SIM Card Lock: Prevents unauthorized use of your SIM cards, enhancing security for your communication. Use Scenarios: 1. Home Security: Perfect for securing your home by controlling access through authorized SIM card usage. 2. Business Communication: Ideal for businesses needing secure communication channels, with the ability to restrict access to selected personnel. 3. Travel Security: A reliable solution for travelers who want to keep their communication devices secure from unauthorized use. This product is designed for practicality, ensuring you have reliable performance and enhanced security features tailored to your needs.