... Board 1.Four door controlled 2.Connected with 4 card reader 3.Best quality and price Shenzhen Micochip Technology Co, Ltd., ... , Copper, Metal core, Polyester material and other material that you have in mind. With the following board finishes. OAL, Immersion ... Hard Gold and soft gold, with good quality and assurance of all products are being tested before final shipping. Multi-Door Entrance Access ...