Appendix A - Technical Specifications
tDynamo| Three-way Secure Card Reader Authenticator | Installation and Operation Manual
Page 38 of 39 (D998200257-20)
tDynamo Technical Specifications
Secure Cryptographic Device (SCD) with Tamper Resistant Security
Module (TRSM).
Signed firmware. Any attempt to install unsigned firmware on the
device renders it unusable.
Tamper-evident enclosure around data signals
Electrical Characteristics
USB-C connector
Docking stand contacts
Rechargeable Lithium Polymer (LiPo)
Approximately 4.5 hours to full charge
Battery Time, Powered Off:
Up to 2 years (time from 60% charge to 0% charge)
Battery Time, Sleep Mode:
Up to 60 hours / More than 2 days
Battery Time, Transactions:
Over an 8 hour shift, with all payment methods enabled per transaction,
and a new battery fully charged:
Over 140 15-second transactions
Over 200 10-second transactions
Over 400 5-second transactions
25 μA in Powered Off mode
13 mA in Sleep Mode
55 mA in Discoverable mode
110 mA in Connected mode during swipe or contact transaction
250 mA in Connected mode during contactless transaction
266 mA in Connected mode with swipe/contact/contactless enabled
Connection Characteristics
USB-C high current, compatible with USB 2.0
Vendor-defined USB Human Interface Device (HID) data format
Wireless Connection Types:
Bluetooth Low Energy (Bluetooth LE) 4.2
GATT device / data format