SPECIFICATIONS
| Switch cable type | Three-wire * |
| Maximum number of subscribers | 100 |
| Maximum allowed apartment number | 1999 |
| Number of digits in a common code | 4 |
| Number of digits in an individual code | 4 |
| Number of attempts to guess a 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 a visitor, sec., No more | 90 |
| Operation time of the electromagnetic lock, sec., No more | 1 … 9 |
| Maximum power consumption (without electromagnetic lock), W | 7 |
| Maximum admissible resistance of the communication line, Ohm | 30 |
| Call unit supply voltage, V | ~ 13 … 15, (+ 16… 21) |
| Overall dimensions, mm, no more | 125х210х40 |
| Weight, kg, no more | 0.8 |
* The type of laying of communication cables between the switchboard and subscriber consoles is coordinate-matrix.
The call unit corresponds to the climatic version UHL1.1 in accordance with GOST 15150-69:
- ambient temperature (-40 … + 40) ° С;
- relative humidity – up to 98% at 25 ° С 6 months. in the year;
- atmospheric pressure – (650 … 800) mm. rt. st