Extendable Staff School Signal Shielding Lockable Filing Cabinets

1.  Effectively shield mobile phone signals to prevent passive leakage of mobile phones and theft of secrets by remote control in an unknown state.
2.  The shielding range is small and does not interfere with surrounding signals.
3.  The cabinet can be freely combined and heightened. The cabinet is connected by a buckle, and the structure is stable and safe.
4.  Each cabinet door is printed with a serial number; each door lock is equipped with 2 keys and a serial number label card; the bottom of each door in the bottom of the box is made of high-grade red velvet anti-skid pad; the shielding efficiency is not less than 75dB (800MHz-3GHz), which can effectively shield GSM /CDMA, DCS/PHS, TD-SCDMA, CDMA2000, WCDMA, 2G, 3G, 4G, WIFI, Bluetooth and other mobile phone signals,
5.  Pass rate 100%, precision laser cutting, CNC machine tool punching and forming, laser welding, The structure is reasonable and perfect, there are no gaps, dead corners, no welding slag, the appearance is flat and smooth, high-gloss powder spraying, beautiful and generous, all drawers are one bucket and one lock, and they are equipped with small and number plates, which are convenient to use.