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fsx***
Color:Blue;Material:Plastic;Memory:64bit;
$15.00
19 days ago
xpi***
Color:Blue;Material:Plastic;Memory:64bit;
$8.25
36 days ago
jto***
Color:Yellow;Material:Plastic;Memory:64bit;
$7.28
1 day ago
dwr***
Color:Yellow;Material:Plastic;Memory:64bit;
$3.36
2 days ago
zkn***
Color:Black;Material:Plastic;Memory:64bit;
$5.80
49 days ago
xmo***
Color:Black;Material:Plastic;Memory:64bit;
$10.44
21 days ago
kym***
Color:Red;Material:Plastic;Memory:64bit;
$2.61
16 days ago
rwk***
Color:Red;Material:Plastic;Memory:64bit;
$13.05
43 days ago
sxp***
Color:Green;Material:Plastic;Memory:64bit;
$16.72
4 days ago
ljt***
Color:Green;Material:Plastic;Memory:64bit;
$13.20
27 days ago
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Customer Reviews

Read Only TM Card Memory Card 64 Bit DS1990 Ibutton TM1990 Key
$0.44$0.56-21.43%
Color:
Blue
Yellow
Red
Black
Green
Memory:
64bit
Material:
Plastic
Quantity:
Add to Cart
Wishlist
Features
High-Density 64-Bit Read-Only Memory Card
Precision-engineered DS1990/TM1990 iButton key with durable stainless steel casing for extreme environments. Ideal for access control, industrial automation, and secure data logging.
Military-Grade Stainless Steel Construction
Corrosion-resistant shell withstands harsh conditions (water, dust, UV). Hermetically sealed for IP68 waterproof performance.
Plug-and-Play Compatibility
Seamless integration with 1-Wire protocol devices. Works with Dallas/Maxim readers, Arduino, and Raspberry Pi projects.
Laser-Engraved Unique ID
Permanent factory-programmed 64-bit ROM code ensures absolute traceability. No power supply required for operation.
Bulk Pricing Advantage
Direct-from-factory wholesale rates for industrial buyers. Global shipping with 10,000+ units ready for immediate dispatch.
Multi-Industry Applications
Perfect for HVAC systems, medical equipment authentication, cryptocurrency hardware wallets, and smart locker systems.
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