Waterproof ID Writable Blank iButton RW1990 TM Card IB Card 1990B RW1990 IButton Smart Card locks key
Specification :
Part No: | TM |
Product Name: | TM KeyIbutton Keyfob |
Material: | ABS + Durable Stainless steel |
Size L/W: | 55 x 20mm |
Color options: | Black/ blue/ Red/ Green/ Yellow etc |
Housing: | Stainless steel |
Weight : | 5g |
Temperature : | -20~ +70℃ |
MOQ : | 100pcs |
Package : | 100pcs per bag |
Notes: | with laser logo |
IC Parameters :
IC names | RW1990 |
Memory | 64bits |
Read/Write: | Read an Write |
Protocol: | i-Wire Protocol |
Featrues of Rewritable RW1990 TM card
Leather Material Electric iButton Key Tag with TM01 | |
Material | Stainless steel |
Original Serial Number | 64 bits |
Security | 64 bits encrypt passwords |
Memory Capacity | 8 Kbits RAM |
Read-Write features | read, write and encrypt |
Read-Write Endurance | > 1.5 billion |
Working Temperature | -40 ºC~+85 ºC |
Working Time | >20 years |
Size | φ16.25mm×5.89mm |
Color | Red, Green, Yellow, Black, etc |
Read Endurance | > 350 thousand times |
Unit Weight | 0.025kg |
Failure Rate | 1 /100,000 times ( used properly) |