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homepage Telephone Interceptions Defense >Encrypted GSM-Crypto 400
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Details Encrypted GSM-Crypto 400

Encrypted quad-Band GSM cell phone

The Problem

Telecommunications interception has developed into a major industry in the last two decades. Intelligence agencies and private organizations within all countries routinely intercept calls that may yield sensitive political, military or economic information.

The use of wiretapping has become so widespread, simple and uncontrolled that you must assume that records of your private calls end up in the wrong hands. Equipment for wireless interception of mobile phone calls has become available at such low prices that it is deployed frequently even in comparatively small business conflicts. So using encryption to protect your privacy is the prudent choice.

But protecting your information with strong and trustworthy encryption has become difficult. "Proprietary" or "Secret" algorithms of dubious quality, and encryption that is too weak to protect against modern computing power are commonplace in the telecommunications market. These weaknesses are masked by marketing efforts, suggesting that you need to rely on "the secrecy of the algorithm" or "government classification" - certified by the same intelligence agencies that are actually in charge of telecommunications interception.


GSM-Crypto 400

Ease of use

The GSM-Crypto 400 is easy to use too. It has a simple interface using a bright and crisp touch-screen with large keys and easy to read display, making it an ideal solution for both less technical inclined users and those with slight vision impairment. The included professional quality headset gives you the option to phone hands free when necessary and to enhance your privacy while phoning in a public place. However, unlike other products, the GSM-Crypto 400 does not require the headset for operation.

The GSM-Crypto 400 hardware is based on a standard GSM equipped phone. So you can buy accessories on the open
market at normal price from your normal retailer channels. Since the GSM-Crypto 400 device is not distinguishable from the normal hardware it is based on, you will not get suspicious looks at the airport or border control. You enjoy your privacy - in private.

No backdoors, no key-escrow. No centralized or operator-owned key generation, no key registration, no extra security SIM - just call securely . Provides effective and affordable protection against both IMSI-catchers and network based surveillance solutions . Security of the GSM-Crypto 400 can be independently verified with the published source code. Public, standards-based communication protocols for verification and development of compatible products.

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, securityoptimized components and communication stacks protects device against outside attacks. GSM CryptoPhones are the only secure mobile 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.

Radio GSM quad-band 850/900/1800/1900 MHz • UMTS HSDPA/WCDMA 900/2100 MHz with HSUPA support • Up to 2 Mbps uplink, up to 7 Mbps downlink speed
Voice Encryption
Secure voice over IP communication on any network – GSM, 3G, WLAN • strongest and most secure algorithms available today – AES256 and Twofish • 4096 bit Diffie-Hellman key exchange with SHA256 hash function • readout-hash based key authentication • 256 bit effective key length • encryption key is destroyed as soon as the call ends
Message Encryption
Based on the same strong encryption algorithms used for GSM 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
Fully compatible with all GSM CryptoPhone IP mobile, satellite and fixed-line encryption products • IP PBX integration with virtual extensions
Operational Features Talk time up to 5 hours • standby time up to 360 hours
Dimensions 107.9 x 53.1 x 13.7 mm
Weight 118g including battery • integrated antenna
Duration Talk time up to 5 hours, standby time up to 150 hours.
Original Accessories 12V car charger • solar panel charger • vehicle mount kit
Standard Accessories 100-240V AC adapter • USB sync cable • stereo headset with microphone
Integrated USB/ power/ audio connector • MicroSD memory card slot, SD2.0 compatible • Bluetooth V2.0 with Enhanced Data Rate and A2DP for stereo wireless headsets • GPS • IEEE 802.11 b/g Wireless LAN
3.2-inch sunlight-readable touch-sensitive TFT LCD screen with LED backlight @ 480 x 800, 64k colors
Dedicated talk / hang-up, volume up / down, home and back buttons • touch-activated zoom bar
Audio format supported
Encrypted calls: CELP and ACELP® VLBR4 Decoding & playback: WAV, WMA, AMR-NB, AMR-WB, AAC, AAC+, eAAC+, QCP, M4A, MP3, MIDI, polyphonic ring tones
Camera 5.0 megapixels resolution with auto focus (can be completely disabled upon request)

crypto phone

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Disclaimer: The customer is responsible for the knowledge of the laws that rule the use of these devices in his country.
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