EMV Tag
DF8133 — Maximum Relay Resistance Grace Period
EMV Tag DF8133
Name: Maximum Relay Resistance Grace Period
Description
Mastercard / JCB: Maximum grace period for relay resistance timing. Exceeding this indicates potential relay attack.
Decode and Verify ISO 8583 & EMV Transactions
Use IsoFluent's suite of 100% client-side tools to parse full message logs and decode complex TVR/TSI values instantly.