Hexin Electronics  PCB Board Shields for EMI Protection shield RF input, output, and amplifier stages as well as oscillators and EMC sensitive components with plastic cases. The shielding effectiveness of these tin-plated cabinets is up to 60dB from 500MHz to 3GHz. Hexin PCB Board Shields for EMI Protection consist of two components: grid frame and removable cover. The grid frame is available in surface-mount and through-hole types. The regular offering of the Hexin PCB Board Shields for EMI Protection shielding cabinets includes  standard sizes.