• Sourcing Solutions
  • Services & Membership
  • Help & Community

Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: Toptag
  • Model Number: TM card 100, RW1990/DS1990
  • Material: Stainless steel
  • Size: diameter 16.25mm*5.89mm
  • Color: Black, red, yellow, green, blue, etc
  • Unite Weight: 0.025kg
  • Design: I button
  • Memory Capacity: 8 Kbits RAM
  • Read-write features: read, write and encrypt
  • Working Time: >20 years
  • Read Endurance: > 350 thousand times

Packaging & Delivery

Packaging Details 100pcs/bag
RW1990 Copy iButton
Delivery Time Shipped in 7-12 working days after payment
 Touch Memory Contact RW1990 Copy iButton for DS1990A TM Card
 

1. Overview of R/W ibutton Key Tag TM Card

Rewritable key RW1990 is designed to make copies of DALLAS DS1990A keys.
A 64-bit serial number is rewritten in the RW1990 rewritable key, thereby making it possible to create a copy of any DS1990A/TM1990A key.

The number of record cycles is not limited. The records are written by iButton copy devices(iButton duplicators).

The rewritable key weighs 4.7 grams.

A copy of other electronic keys 64-bit serial id, for example DS1991 and DS1996, can also be made on this rewritable key because keys that are same from DS1990A – in addition to having an ID number. But the additional amount of protected memory or additional features can not be copied.

 

2. RW1990 Key Features

Rewritable ibutton RW1990A-F5 read-write type of card;

Read and write DS1990A and TM1990A iButton, RW1990;

Stainless steel package with SU304#;

Rugged, never rust and corrosion; Resistant to heat;

Anti-variant and sealing strong;

Information ibutton RW1990 memory 64, can be repeated rubbing, write the DIY code;

Holder color: red, yellow, green, blue, black and ustomized colors are also available.

3. Application of Programmable Copy RW1990 Key
Our RW1990 programmable ibutton are widely used in security patrol, keys for cabinet locks, electronic rim locks, door intercom, card systems, identification, banking, Communications, rail transportation, transportation and so on.

 

 

4.Pictures of R/W ibutton Key Tag TM Card

 

 
 

 

 

 

Choose us , choose quality and service:
1) Profession and experience making us stably doing good in design service and qualify production for you.
2) Efficiency team to ensure quick settling all your questions and concerns.
3) Win-win conception as our action guide that we've alway been doing well with our current partners to offer best price-performance for you

 

 
Transaction History of the Supplier

Below is the information about the supplier's transactions conducted via Alibaba.com. If you require further details regarding the transaction data, please contact the supplier directly.

Transaction Overview

Transactions

Transaction Details

This supplier has completedtransactions with buyers from .

Shipping Destination
Transaction Value
Transaction Date
Email to this supplier
Trade Assurance
China (Mainland)
Transaction Level:
Supplier Assessments:
45 Transactions 170,000+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $45,000
Learn More