BID 1750 is a crypto device for use on data/telegraph links. It can work in conjunction with BID1650, BID950, BID880 and T-SEC KG84C. Ruggedised and powered by 28VDC, it can be used for mobile RATT operations. It uses the uses the same Keymat fill system as the BID250.
Select this link to see an image of the BID1750/1V2 front panel.