Gold Member Since 2016
Audited Supplier
Shenzhen A. N. G Technology Co., Ltd.

Ibutton, RW1990A, RW1990A Ibutton manufacturer / supplier in China, offering RW1990A Ibutton for Access Control, Waterproof RFID Wristband for Hotel Access Control and Amusement Park, Hot Sale Sensitivity Contactless RFID Card Reader for Token Counter and so on.

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Supplier Homepage Product IButton Keys / Reader RW1990A Ibutton for Access Control

RW1990A Ibutton for Access Control

FOB Price: US $0.3 / Piece
Min. Order: 100 Pieces
Min. Order FOB Price
100 Pieces US $0.3/ Piece
Get Latest Price
Port: Shenzhen, China
Production Capacity: 1, 000, 000
Payment Terms: T/T, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: RW1990A
  • Material: 304 Stainless Steel
  • Color: Red,Yellow,Green,Blue,Black,etc
  • Chip: TM1990A-F5, RW 1990, TM1990
  • Capacity: 64 Bit Serial Number
  • Application: Hotel Door Lock ,Sauna Key Card
  • Transport Package: Individual Poly Bag, Shrink Wrap, Export Carton
  • Origin: Made in China
  • Product Name: RW1990A Ibutton
  • Dimension: 16.75*5.89mm
  • IC Type: TM Memory Card
  • Printing: Sample Logo and Number
  • Work Temperature: -40c~100c
  • Trademark: ANG tech
  • Specification: 16.25*5.89MM
  • HS Code: 8523521000
Product Description
RW1990A Ibutton for Access Control

Key Features

  • 256-bit Electrically Erasable Programmable Read Only Memory (EEPROM) communicates with the economy of one signal plus ground
  • EEPROM organized as one 256-bit page
  • 64-bit one-time programmable application register is automatically write-protected after programming
  • Reduces control, address, data, power, and programming signals to a single data pin
  • Reads and writes over a wide voltage range of 2.8V to 6.0V from -40°C to +85°C
  • 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
  • Durable Stainless-Steel Case Engraved with Registration Number Withstands Harsh Environments
  • Easily Affixed with Self-Stick Adhesive Backing, Latched by its Flange, or Locked with a Ring Pressed Onto its Rim

RW1990A Ibutton for Access Control
RW1990A Ibutton for Access Control
RW1990A Ibutton for Access Control


  • Access Control
  • Inventory Control
  • Tool Management
  • Work-in-Progress Tracking
RW1990A Ibutton for Access Control
RW1990A Ibutton for Access Control

RW1990A Ibutton for Access Control


1. By door to door express, like DHL,UPS,TNT or Fedex(generally 3-5 days).

2. By Air(generally 5-7 working days), cheaper, but need pick up the goods by yourself at the airport.

3. By sea(generally 20-30 working days, the cheapest, nice option for big volume goods.

(We will suggest the best option after comparing the cost and shipping times, and we have forwarder or you can use your own agent.)


1. 50-100% prepay, and full payment before shipping.

2. We will show you the product before balance payment or shippment.


If you're interest and there are any question,just send me a inquire below !!! We will reply within 24 hours.Have a good day:)

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