material: Stainless Steel or Soft Silicone (hand catenary) meulah: American DALLAS encryption, including DS1990A-F5, fully compatible with TM1990A-F5, i1990A. Average failure: normal use 1/100,000 times Manufacturer’s serial number: only global 64bit number System logic: 64bit password protection Storage: 8k bits RAM Card read: touch type Read and write features: can read write and encrypted R/W times: > 1.5 billion times …
material: silicone lemes (hand catenary) or Stainless steel Chip: American DALLAS encryption, including DS1990A-F5, fully compatible with TM1990A-F5, i1990A. Average failure: normal use 1/100,000 times Manufacturer’s serial number: only global 64bit number System logic: 64bit password protection Storage: 8k bits RAM Card read: touch type Read and write features: can read write and encrypted R/W times: > 1.5 billion times …