Interno- EMV Pre-Certified Contactless OEM Reader Board

The OTI INTERNO OEM reader module is a compact and cost effective contactless card reader board, designed for easy integration into terminals such as POS, mass transit validators, vending machines, etc.

As part of its extensive know-how and expertise, OTI provides integration services including design, optimization and manufacturing of customized antennas as well as certification support services.

Easy integration into terminals such as Point of Sales (POS), mass transit, and vending machines


  • Flexible, software configurable, intelligent reader solution
  • Bi-directional RF interface between Reader and Contactless Smart Cards
  • 4 LED indicators
  • Multi-tone buzzer
  • Regulated 5V DC/400mA max
  • 2W (RF signal ON)
  • High security encryption system (3DES/AES/RSA) protects the reader’s operating system
  • Vandalism-proof PKI protected software update mechanism
  • DUKPT (Derived Unique Key Per Transaction) support
  • Offline PIN Authentication support
  • Secure boot loader (firmware update) protocol

OEM Contactless Reader Board

Supported Applications:

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OTI Interno Supported Applications
  • Interno board is EMV pre-certified
  • OTI can provide contactless EMV L1 Certification assistance for the final terminal
  • VISA PayWave MSD
  • VISA PayWave qVSDC
  • NDOT over VISA for transportation
  • VISA Global Transit Payment Pilot Specification
  • VISA Pilot Visa PayWave Ticketing Extension Specification
  • VISA Asia Pacific WAVE 2
  • MasterCard PayPass M/Chip (including Data Exchange)
  • MasterCard PayPass Mag Stripe
  • NDOT over MasterCard for transportation
American Express
  • AMEX ExpressPay
  • Discover ZipNetwork
  • Interac Flash®
  • Mifare Ultralight
  • Mifare Classic
  • Mifare DESFire (optional)
Transparent (Pass-Through) Communication
  • ISO/IEC 14443 Type A – Transparent Proximity
  • ISO/IEC 14443 Type B – Transparent Proximity
  • ISO/IEC 15693 Vicinity (optional) – Transparent Vicinity
  • Additional proprietary applications

Technical Specifications

Feature Specification
RF Interface:
RF Carrier Frequency 13.56 MHz
RF Output 400mW over 50ohm antenna
Output Short Protection Built-in (continuous)
RF Data Operations Half duplex
ISO/IEC 14443 A&B and Mifare Full compliance
ISO/IEC 15693 Vacinity Optional
Remote antenna (over 1m) 50Ω coax cable should be used.Cable length must be increments of carrier half wavelength
SAM Interface  
Communication Links:
TX/RX serial TTL 3.3/5VDC NRZ
USB 2.0 USB 2.0, Full Speed, CDC driver (serial port emulation)
+5V supply indicator LED On-board red LED
Digital Outputs:
4 programmable buffered LED outputs and an optional un-buffered buzzer control output 20 mA source per LED output
Power Requirements:
Regulated 5VDC/400mA (max) With transmitter and LEDs activated
Dimensions H – 1.50” (38.2mm)
W – 2.73” (69.5mm)
D – 0.35” (9mm) – (configuration dependent)
Weight About 15gr.
(configuration dependent)
Operating  Temperature -30°C to 70°C
(-22°F to 158°F)
Vibrations 10 ÷ 200 Hz @ 2.0G

Standards Compliance