![uTrust 3721 F LF with Keyboard Emulation 125 KHz Smart Card Reader/Writer](http://shop.identiv.com/cdn/shop/files/3720f-LF-500x500_dab81366-0ea5-43a0-a7bb-3aee8d5e9209_{width}x.png?v=1705587383)
Identiv's uTrust 3721 F 125 KHz Smart Card Reader integrates low-frequency contactless interface capabilities to support a wide variety of identification applications. Supporting 125 KHz contactless technology, this PC-linked reader supports logical access in end-user environments where legacy ID cards are already in place. In addition to traditional PC/SC chip card reader with CCID interface, this reader provides USB human interface device (HID) keyboard emulation function.