... Gate Access Control Board 1.Four door controlled 2.Connected with 4 card reader 3.Best quality and price Shenzhen Micochip Technology ... final casing. We can produce boards from 1 ~ 34 layers, with FR4, FR5, Aluminum, Copper, Metal core, Polyester material and other ... material that you have in mind. With the following board finishes. OAL, Immersion gold, Immersion silver, ...