Finished in a stylish, waterproof housing, the OMNIKEY 5321 CR USB represents the ideal reader for contactless technology applications in clean room environments such as manufacturing sites or hospitals with high demands for hygiene. Featuring a PC-linked reader that reads/writes to 13.56 MHz contactless smart cards in all three HF standards, the OMNIKEY 5321 CR USB economically supports enduser environments where a variety of contactless cards and tags are used.