SPECIFICATIONS
| Switch cable type | Three-wire* |
| Maximum number of subscribers | 100 |
| Maximum allowed number of apartments | 1999 year |
| Number of digits in the general code | 4 |
| Number of digits in an individual code | 4 |
| Number of attempts to guess the code or password | 3 |
| The maximum number of electronic keys recorded in the BV memory | 700 |
| Number of electronic key combinations | 2*24 |
| Time allotted for entering one digit of the apartment number, sec, no more | 5 |
| Call signal duration, sec, no more | 60 |
| Duration of conversation with visitor, sec, no more | 90 |
| Response time of the electromagnetic lock, sec, No more | 1…9 |
| Maximum power consumption (without electromagnetic lock), W | 7 |
| Maximum permissible resistance of the communication line, Ohm | 30 |
| Ring device supply voltage, V | ~ 13…15, (+16…21) |
| Overall dimensions, mm, no more | 125x210x40 |
| Weight, kg, no more | 0.8 |
* The type of laying communication cables between the distribution board and subscriber consoles is coordinate matrix.
The calling unit corresponds to the climatic version UHL1.1 according to GOST 15150-69:
- ambient temperature (-40…+40)°С;
- relative humidity – up to 98% at 25°C 6 months. in year;
- atmospheric pressure – (650…800) mm. rt. st.