> Material: ABS+Stainless steel
> Size: Diameter 16.25*5.89mm
> Thickness: 5.89mm
> Chip avaible: RW1990 / TM1990A-F5
> Function: Read and write (RW1990); Only read (TM1990)
Brand:
S4AItem NO.:
RW1990Readable and Writable Dallas iButton RW1990 Tag
Model No.: RW1990, TM1990A-F5
Material | ABS+Stainless steel |
Size | Diameter 16.25mm*5.89mm |
Thickness | 5.89mm |
Chip avaible | RW1990 / TM1990A-F5 |
Function | Read and write (RW1990); Only read (TM1990) |
Crafts | Engrave number or texts |
Read time | 350,000 times |
Memory | 64 bit |
Package | 100pcs/box, 5000pcs/carton, 25kg/carton |
Feature of iButton Key Touch Memory | Can Be Read in Less Than 5ms |
Operating Range: 2.8V to 6.0V, -40°C to +85°C | |
Application | Access Control, Inventory Control, Tool Management, Work-in-Progress Tracking |
Life Time | 10years |
This application note is a broad introduction to the iButton® device. It discusses iButton basics: what it is, how it is constructed, and some of its applications. It explains how a system can communicate with the iButton device through its 1-Wire® interface. The note also describes types of iButton devices, iButton device durability, its guaranteed unique 64-bit serial number, and available iButton accessories.
RFID Readable And Rewritable Key Card IButton RW1990 Tag | ||||
Model No. | Quantity/Carton | Net Weight | Gross Weight | Carton Size |
RW1990 | 5000 PCS | 18.9 KG | 23.8 KG | 22x44x46cm |