anti 5G RF blocking hat for summer RF blocking hat EMF protection hats 5G blocking hat anti 5G hat shielding range:10MHZ-3GHZ Attenuation:55-65DB size black, grey color sky blue, dark blue, black, royalblue, ...
Aiwei Functional Textile Co., Ltd is a professional manufacturer for silver fiber and metal conductive fabrics since 2003, our location is in Baoding, Hebei, China. Our main products is RFID blocking fabric, anti ...