1)frequency: 315M 2)wireless home access control system 3)with CE 4)long range wireless doorbell Access Control Wireless Long Range Digital Doorbell Characteristics: 1.Various crust for your choice 2.Materail:Metal and PVC 3.Encoding type:Fixed code/learning code /rolling code(optional) 4.High stability:Adopting imported SMT component SAW and super high frequency audion(6.5G) Technology Parameter ...
