The TM1990A Serial Number iButton is a rugged data carrier that serves as an electronic registration number for automatic identification. Data is transferred serially through the 1-Wire protocol, which requires only a single data lead and a ground return.Every TM1990A is factory lasered with a guaranteed unique 64-bit registration number that allows for absolute traceability. The durable stainless-steel iButton package is highly resistant to environmentalhazards such as dirt, moisture, and shock. Its compact coin-shaped profile is self-aligning with mating receptacles, allowing the TM1990A to be used easily by human operators. Accessories permit the TM1990A iButton to be mounted on almost any object, including containers, pallets, and bags.

APPLICATIONS
1.Access Control
2.Work-In-Progress Tracking
3.Tool Management
4.Inventory Control.

5,for patrol

6,vehicle tracking record

Common iButton Features

• Unique 64-Bit Registration Number Ensures Error-Free Device Selection and Absolute Traceability Because No Two Parts are Alike
• Built-In Multidrop Controller for 1-Wire Net
• Digital Identification by Momentary Contact
• Data Can Be Accessed While Affixed to Object
• Economically Communicates to Bus Master with a Single Digital Signal at 16.3kbps
• Button Shape is Self-Aligning with Cup-Shaped Probes
• Durable Stainless-Steel Case 
• Easily Affixed with Self-Stick Adhesive Backing, Latched by its Flange, or Locked with a Ring Pressed Onto its Rim

SPECIAL FEATURES

Can Be Read in Less Than 5ms
Operating Range: 2.8V to 6.0V, -40°C to +85°C

100pieces per box ,this packing is special in this industry just you may find it in our store.

one carton has 5000pcs cards,the weight of the case is 25kg,the size of the case is 440*400*225mm.

Delivery time is 3 to 14days,it deponds on the quantity.

Shenzhen Smart Way technology Co.,Ltd set up on 2011,built in Futian District, Shenzhen, China. our products are smart cards of access control and security equipment,such as Ibutton,RF cards,chips,etc.our core service is credit first customer first.welcome your coming.

Factory show

 TM1990F3 Ibutton ABS keychain factory supply smart card TM1990F3 Ibutton ABS keychain factory supply smart card

1.Can you provide a sample? 

yes,we offer free samples,but the buyer need to provide shipping.

2.Weather to provide customized design? 

yes,modified and customer design is avaliable.

3.How about the leadtime?  

depend on the quantity of your order.

4.How about the leadtime for the sample?

3-7days.

5.What's your payment terms? 

T/T or Western Union.

6.How do you ship the order normally?

For large quantity order,ship the goods by sea.

For small quantity order,by air or express.we supply optional express for you,including DHL,FEDEX,UPS,TNT,EMS and so on.

Why you should choose us!

1:We have more than 10 years experience in security and protection industry.

2:We have more than 10 years experience doing foreign trade,so we have perfect program for business.

3:Our products Sale to over the world.

TM1990F3 Ibutton ABS keychain factory supply smart card

TM1990F3 Ibutton ABS keychain factory supply smart card