900 Series Readers are being discontinued.  This product has reached END OF LIFE and is no longer available.  

Alternative options would be 910NMNTEKMA001 until stock depletes;

or HID's new Signo20 Reader

Designed for door applications requiring a small footprint card reader.  Application: Designed to ensure compatibility with legacy credentials and capability to support the future. Technologies Supported: Wide variety of contactless credentials including HID Mobile Access® Mobile IDs via NFC and/or Bluetooth Smart.

iCLASS SE - 2.4GHz and 13.56MHz Only.  Red LED.  Terminal Strip Wiring Connection.

Support for HID Mobile Access Mobiles IDs via NFC and Bluetooth Smart - reader equipped with Bluetooth Smart module. Also supports iCLASS Seos, iCLASS SE, iCLASS SR, iCLASS, MIFARE Classic (SIO), MIFARE DESFire EV1 (SIO) and ISO 14443 UID.  No 125kHz Support.

Mobile-Ready: Prepared to support HID Mobile Access, but lacks the personalized configuration to read an organization’s specific Mobile IDs. This configuration can be ordered at any time but will require field activation after the organization has completed registration for HID Mobile Access.