by Fmeaddons

Cryptophone 400

  • Quad-band GSM
  • Dual-band UMTS HSDPA / WCDMA with HSUPA support
  • IEEE 802.11 b/g Wireless LAN
  • Voice & SMS encryption
  • Secure storage
  • Hardened WM 6.5 operating system
  • Standby: Up to 360 hours
  • Secure talk time: Up to 5 hours



The CryptoPhone 400 gives you the flexibility to conduct secure voice over IP calls using either GSM, 3G/UMTS, or wireless local area networks. This unmatched flexibility combined with secure messaging, a hardened operating system and encrypted storage for your confidential contacts, messages and notes provides you with 360-degree protection in a sleek, elegant package including a brillant 3.2-inch TFT LCD high-resolution touch screen.

Message Encryption Based on the same strong encryption algorithms used for GSMK CryptoPhone voice encryption – 4096 bit Diffie-Hellman initial key exchange, AES256 and Twofish message encryption with 256 bit effective key length. Supports long SMS and encrypted self-destructing “Eyes Only” SMS.

Device Protection Encrypted storage system for contacts, messages, notes and keys with smart folders protects confidential data against unauthorized access

– hardened WM 6.5 operating system with granular security management and streamlined, security optimized components and communication stacks protects device against outside attacks GSMK. CryptoPhones are the only secure cell phones on the market with full source code published for independent security assessments. They contain no proprietary or secret encryption, no backdoors, no key-escrow, no centralized or operator-owned key generation, and require no key registration.