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The TALISMAN – GSM is designed for automatic encryption of voice data transmitted over GSM networks.
The device is the SonyEricsson W395 mobile phone with the built-in crypto module (without any additional external accessories).
The TALISMAN – GSM provides:
- cryptographic protection of voice data transmitted over GSM 900/1800/1900 networks (point to point mode) with guaranteed strength against deciphering;
- protection against eavesdropping through the mobile phone with “visual” indication;
- protection against unauthorized usage in case of loss or theft;
- protection of confidential net subscribers’ numbers in case of loss or theft;
- protection against transmission of plaintext information during equipment failures;
- protection of firmware integrity;
- protection against cloning;
- protection against voice identification in communicating channel;
- protection against connection to communicating channel (identity verification of subscribers by unique crypto number);
- GOST standard 28147-89 encryption algorithm;
- full-duplex operation with the TALISMAN – GSM devices only;
- 2,4 Kbit/s data transfer speed;
- acoustic indication of protected mode;
- time of turning on of protected mode is 7 s (V 110) and 15 s (V32);
- quality of synthesized speech 3,7 according MOS estimation;
- preserving all main functions of the basic model of mobile phone;
- absence of external changes in design of the mobile phone.
Crypto module contains:
- speech converter;
- cipher generating module;
- intrasystem monitoring elements;
- power supply, control and signaling elements;
- adapter circuit for radio modem, etc.
The crypto module is built-in to the external memory card slot and cannot be removed.
1. TALISMAN – GSM main unit.
2. AC/DC adapter.
3. Mobile phone User Manual.
4. Rechargeable battery.
5. SIM card.
6. TALISMAN – GSM User Manual.
Please note: software upgrade can cause recorder’s breakdown. This is not a warranty case. All the new recorders have the latest software version and there is no necessity to upgrade software after buying the recorder. Don’t take the risk. In case there are problems with audio recorder operation please apply to our technical support specialist: email@example.com
|Series manual||Supplement to the model|