CryptoPhone 700 by GSMK is a secure mobile phone designed for end-to-end encrypted voice and message communication. It features a hardened operating system and offers 360-degree protection on a tamper-resistant platform. The CP700 enables secure end-to-end encrypted voice over IP calls on 2G, 3G, 4G, 5G, or WiFi networks. It utilizes AES256 and Twofish algorithms for encryption, with a 4096-bit Diffie-Hellman key exchange and SHA-256 for authentication. The device includes a patented GSMK Baseband Firewall to protect against IMSI catchers, rogue base stations, and over-the-air malware injection. Its hardware is sealed against humidity and dust, featuring a multi-touch capacitive touchscreen operable with gloves and in rain.
