Products for USB Sensing and Control
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Products for USB Sensing and Control

PHIDGETS Inc.

Unit 1 - 6115 4 St SE
Calgary AB  T2H 2H9
Canada
+1 403 282-7335

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RFID Tag - ABS Key Fob Blue

ID: 3902_0
Recommended for new designs: This product is sourced from another supplier, but it (or a similar replacement with a compatible form, fit and function) is estimated to be available for as long as it is available from the supplier.
A blue ABS key fob RFID tag. Uses EM4102 protocol.

$1.30

Quantity Available: 1000+

Qty Price
5 $1.24
10 $1.17
25 $1.04
50 $0.91
100 $0.85
250 $0.78
500 $0.72
1000 $0.65

This is a blue RFID key fob made from colorful hard plastic. The tag contains a unique ID that can be read by the 1024 – RFID reader at a distance of 8cm or less.

RFID Readers

This tag uses the EM4012 protocol (part of the EM4100 series) and can be read by any of the RFID readers in the table below. If you're using a different RFID reader, make sure it's designed to work at 125 kHz and supports this tag's protocol.

Product RFID Reader
Image Part Number Price Antenna Resonant Frequency Min Antenna Resonant Frequency Max Protocol
1024_0B $60.00 125 kHz 150 kHz EM4100, ISO11785 FDX-B, PhidgetTag

Product Specifications

Tag Properties
Protocol EM4102
Tag Characteristics Passive, Read-Only
Transmission Frequency 125 kHz
Encoding Method Manchester
Message Length 64 bit
Unique ID Length 40 bit
Typical Read/Write Distance
(with 1024 - PhidgetRFID R-W)		 80 mm
Physical Properties
Material Polycarbonate
Color Blue
Hole Diameter 3.5 mm
Thickness 7 mm
Length 41.8 mm
Width 29.5 mm
Weight 4.3 g
IP Rating IP68

Here's a list of our RFID tags:

Product Tag Properties
Image Part Number Price Protocol Typical Read/Write Distance
(with 1024 - PhidgetRFID R-W)		 Tag Characteristics
3008_0 $1.10 EM4102 110 mm Passive, Read-Only
3902_0 $1.30 EM4102 80 mm Passive, Read-Only
3903_0 $2.00 EM4102 60 mm Passive, Read-Only
3905_0 $2.75 EM4102 80 mm Passive, Read-Only
3906_0 $2.00 EM4102 80 mm Passive, Read-Only
3907_0 $1.00 EM4102 50 mm Passive, Read-Only
3908_0 $1.00 EM4102 80 mm Passive, Read-Only
3911_0 $1.30 EM4102 100 mm Passive, Read-Only
3913_0 $0.80 EM4102 70 mm Passive, Read-Only
3914_0 $0.80 EM4102 50 mm Passive, Read-Only
3915_0 $1.50 T5577 120 mm Passive, Read/Write
3916_0 $1.20 T5577 100 mm Passive, Read/Write
3917_0 $3.00 T5577 100 mm Passive, Read/Write
3918_0 $2.30 T5577 100 mm Passive, Read/Write
3919_0 $1.50 T5577 50 mm Passive, Read/Write
3920_0 $1.50 T5577 100 mm Passive, Read/Write
3921_0 $2.50 EM4102 80 mm Passive, Read-Only