The T-821 is an outdoor, autonomous key lock equipped with an RFID reader, designed for secure and convenient access control. Its autonomous operation allows users to open doors using a card or PIN code, store cards or PIN codes, and provides signaling for doors left open with both acoustic and optical alerts.
Administrator functions include programming via the keypad, adding new cards, assigning and changing user PIN codes, deleting PIN codes, setting lock release times, and restoring default settings. The device supports unique EM 125kHz cards and offers a range of advanced features for robust security management.
Cards support | Unique EM 125kHz |
Reading distance of prox-keys | max. 6 cm |
Autonomous operation | ![]() |
Keyboard built-in | ![]() |
Doorbell button | ![]() |
Tamper output | ![]() |
Power supply | 12 V DC ± 10% |
Maximal current consumption | 80 mA |
Relay contacts load | 3 A / 24 V |
Main features |
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Operation temperature | -45 °C ... 60 °C |
Permissible relative humidity | 10 ... 90 % (non-condensing) |
Index of Protection | IP68 |
Housing | Metal |
Color | Silver / Black |
Weight | 0.615 kg |
Dimensions | 80 x 119 x 27 mm |