GemTAG – cx21
Contactless Smart Card Reader/Writer
Product Specification
Revision: 1.0
Document Created: 28/03/2012
PUBLIC
Table of Contents
1. General Information ..................................................................................................... 3
Scope .............................................................................................................................. 3
General Description ......................................................................................................... 3
Features .......................................................................................................................... 4
Ordering Information ........................................................................................................ 4
2. Electrical Characteristics ............................................................................................. 5
Operating Condition Range ............................................................................................. 5
Current Consumption....................................................................................................... 5
Operating Distance .......................................................................................................... 5
Interface Characteristics .................................................................................................. 5
3. Operating Conditions and Standards ........................................................................... 5
4. Mechanical Specifications ........................................................................................... 6
5. Connectors……………………………………………………………………………………7
Connector Locations…….………………………………………………………………………7
6. Contact Information…...……………………………………………………………………..9
7. Life Support Application……...……………………………………………………………..9
8. Operating Conditions and Standards……………………………………………………...9
1. General Information
Scope
This document describes the basic functionality and the electric specifications of the UK
manufactured GemTAG cx21 reader.
This dual interface reader is designed for OEM as well as being a desktop device. The reader was
specifically aimed towards industrial and office applications where high performance and sleek
appearance are essential.
General Description
GemTAG cx21 is a dual interface reader based on the RC663 NFC reader IC and NXP ARM
microcontroller. RC663 NFC is a family member of the highly integrated reader ICs for contactless
communications over a frequency of 13.56 MHz.
All layers of ISO 7816, ISO 14443A+B, and MIFARE® are supported.
Fig. 1