Please Note: No number is engraved onto the front of the fob. If you are after EM fobs with engraved numbers, please see our other listing here: https://www.ebay.com.au/itm/192564855291
Key Features
Each tag is pre-programmed with a unique 10-digit ID number (These tags are read only and not rewritable.)
Robust ABS housing provides superior drop, crush and water resistance
Compatible Formats: EM4100, EM4102, TK4100
Reading distance of 8-20cm
Operation Frequency : 125KHz
Standard: EM4100
Ideal for use in ID and access control
Size: approx. 41 x 33 x 3 mm
Super thin and light! Weight: 4.2g. Thickness: 3mm.