DynaFlex II Go – Specifications and Overview

Modified on Thu, 4 Sep at 12:58 PM

The MagTek DynaFlex II Go is a secure card reader authenticator (SCRA) designed for merchants who need flexibility in accepting a wide range of payment methods. Compact and versatile, it supports tap, dip, and swipe transactions and can connect via USB-C or Bluetooth® Low Energy (LE) for both countertop and mobile use. 


With built-in security, PCI certification, and compatibility with multiple operating systems, the DynaFlex II Go is ideal for merchants looking for mobile wallet acceptance, EMV compliance, and future-ready payment security.


Key Features

  • Accepts NFC contactless, EMV contact chip, EMV contactless card, and magnetic stripe transactions.

  • Supports mobile wallets including Apple Pay®, Google Pay™, and Samsung® Pay.

  • BCR models include barcode reading for QR codes, linear, and 2D barcodes.

  • Compact, lightweight design—suitable for countertop or mobile use.

  • USB-C and Bluetooth LE connectivity options.

  • Accessory support: desktop charging cradle and OtterBox uniVERSE adaptor for mobile integration.


Supported Payment Methods

  • Magstripe: ISO 7810, 7811, AAMVA driver licenses; bi-directional read, 6–60 ips.

  • EMV Contact Chip: EMVCo L1 and L2; ISO/IEC 7816 compliant.

  • EMV Contactless / NFC: ISO/IEC 18092, ISO/IEC 14443 (Type A/B); supports D-PAS, PayPass, payWave, ExpressPay.

  • Mobile Wallets: Apple Pay®, Google Pay™, Samsung Pay®.

  • Barcode (BCR models only): QR codes, UPC-A/E, Aztec, EAN-13, Code 39, Code 128, PDF417, Data Matrix, and more.


Reliability and Performance

  • Magnetic Read Head Life: 1,000,000 swipes.

  • ICC Chip Read Life: 500,000 insertions.

  • Status Indicators: 4 LEDs and auditory beeps for feedback.

  • Operating Temperature: 32°F to 95°F (0°C to 35°C).

  • Storage Temperature: Same as operating.

  • Humidity: 10% to 90% non-condensing.

  • Ingress Protection: IP30 (protection against solid objects >2.5mm).


Connectivity & Compatibility

  • Interfaces: USB-C, Bluetooth® LE.

  • Supported OS:

    • Windows 10

    • Android 4.4.2 and above

    • iOS

    • Linux


Power & Battery

  • Rechargeable Lithium-Ion Polymer battery for Bluetooth LE operation.

  • USB-C powered when connected via cable.


Security & Compliance

  • PCI PTS v6.x SCR certified.

  • MagneSafe® Security Architecture: encryption, tokenization, authentication, and dynamic data.

  • Tamper-Responsive Design: Attempts to penetrate or modify the unit result in automatic key clearing and device disablement.

  • Encryption: AES 128/256 DUKPT with CMAC authentication, TDEA/DUKPT.

  • Certifications: FCC, CE, UL, Canada ISED, AS/NZS, RoHS, EU, PCI.


Dimensions & Weight

  • Dimensions: 2.76 in. × 2.57 in. × 0.79 in. (70.1 mm × 65.3 mm × 20.1 mm).

  • Weight:

    • Standard: 3.17 oz (90 g).

    • BCR Model: 3.24 oz (92 g).


Magensa Web Services Integration

DynaFlex II Go works seamlessly with Magensa L3 Certified Services, offering:

  • TR-31 and PCI PIN compliant remote key injection.

  • Remote updates for firmware, CAPKs, EMV terminal settings, and security configurations.

  • Mutual authentication and session IDs with timestamps.

  • Digital signature verification and redirection blocking.

  • Simplified P2PE environment compliance—merchants don’t manage encryption keys directly.


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