The БСПИ unit technical specifications:
processor type - Intel (486, 486DX2);
clock rate – not less then  25 MHz;
data capacity -8/16/32/64 – integral numbers, 32/64/80-with floating decimal point;
	commands system – Intel;
	architecture – modular, open, expandable;
	memory capacity: random access memory – 1Mb, Fixed memory – 1 Mb, memory unit – 8 Kb ;
	capacity of the additional flash memory is not less then  8 Mb;
	interfaces:
		input serial interfaces  - GOST 18977-79, frequencies 48 and 100 kHz – 1;
		input parallel interfaces,  27 bits- 1;
		output series interfaces as per  RS-485 – 2.
		Electrical supply from the onboard ac voltage net -  115V 400Hz;
	Flight time between failures – 3000 hours;
	Unit weight without frame – 2,2 kg;
	Unit dimensions ( without frame)  - 323х200х54 mm;.
Warm up time – not more then 15 sec.