RFID Proximity Card

Our EM4100 RFID Cards are compatible with the K300 Time Clock Terminal, the Spectrum Research RFID Reader, and most EM4100 / 125 kHZ readers.

125kHZ - Low Frequency
Contains a unique 64 bit ID number
Clamshell made from heavy duty PVC plastic

Get a 10-pack of EM4100 RFID Proximity Cards for $14.99.
Available only in the USA. Internet Orders are accepted 24 hours a day via the "Add to Cart" button at right. Orders ship via US Priority Mail, a 2 to 3 business day service offered by the US Postal service. Most orders arriving before 11:00 AM Central Time are processed and shipped the same day. Tennessee residents pay 9.25% sales tax. View our Privacy Policy. View our Return Policy.

EM4100 RFID Proximity Card
125 kHZ Frequency

Looking for SOFTWARE?
Take a look at our
Time Card Calculator
Software!

Do you need Time Clock Software?

If you're looking for a more powerful way to track employee time and attendance, take a look at Spectrum TimeClock, our web based employee timeclock software and service. Click the button below Now!

Find out more about web based Spectrum TimeClock.