Combining a sleek and modern design with the most secureHigh Frequency (HF) technology, the DS1 HF Mullion Reader ismade to fit onto a door frame whilst maintaining PAC's legacy ofquality and reliability. The DS1 HF Mullion reader uses ourunique Oneprox Smart (Ops) technology and the industry sleading MIFARE and DESFire EV1 reading protocols,minimising the risk of token cloning.The DS1 is the recommended reader to be used withthe PAC8 App-Based Door Controller due to its costeffective, highly functional, yet simple design. It can however,also be used with our range of 500 series controllers as well.