Take, credit card size 0.8mm.
Tags are waterproof
The most commonly used 125 kHz transponders - also called tags - is of the "read only" type - that is, fabricationen they are provided with a unique ID code of up to 40 bits can not be changed.
Tags are available in a variety of different configurations. Eg. round pieces of various sizes and formats, fobs and credit cards. Here only the most popular types.
125kHz RFID TAG
For key ring
Dimensions: 37 x 30 x 8 mm
with printed UID code
TAG is waterproof
Tag, key ring
target: 35 x 2 x 4 mm
with engraved UID code
tag is waterproof
125kHz EM TAG with magnetic stripe
credit card format
0.8 mm, incl. Magnetic stripe
TAG is waterproof
125kHz RFID TAG
Designed as screw
plastic
9.5 mm Thread
12 mm head
19 mm long.
TAG is waterproof
