| The Unitech MS146 access control bar code slot reader is a flexible, cost effective solution when you demand a reliable and rugged slot reader. With a resolution of up to 6 mils (0.15 mm), the MS146 uses infrared technology is capable of reading any visible or laminated bar coded identification badge. | | The Unitech MS146 access control bar code slot reader is a flexible, cost effective solution when you demand a reliable and rugged slot reader. With a resolution of up to 6 mils (0.15 mm), the MS146 uses visible light technology is capable of reading any visible bar coded identification badge. | | | |