ICAO Reader

The Reader for Machine Readable Travel Documents

The DILETTA TDR 340 Reader quickly and accurately processes Machine Readable Travel Documents (MRTD) of the International Civil Aviation Organisation (ICAO) and documents conforming to IATA.

Integrated magnetic swipe reader

Compact OCR Reader with dual illumination


The TDR340 is a combined fast OCR reader and 4 track magnetic card reader. Compatible with leading Common User System software, the TDR340 may be used by airline check-in staff to accurately capture data for APIS applications, while the 4 track magnetic card reader may be used to read ATB2 coupons, frequent flier and credit card data.

The dual illumination OCR reader captures code lines from Machine Readable Travel Documents conforming to the international standard specified by ICAO in Document 9303 - including Machine Readable Passports (MRP), Visas (MRV), and OCRB encoded cards such as the US Resident Alien card and European national ID cards For fraud prevention and reconciliation purposes, it can also capture OCR stock control numbers and ticket numbers printed on thermally printed ATB coupons and TAT documents as well as read the IATA bar code ticket number .

The TDR340 is extremely compact. Optional mounting brackets are also available to enable the TDR340 to be mounted at almost any angle and integrated into the smallest immigration, gate or check-in desk environment.

Host connection is via an industry standard RS232 interface through a detachable cable. The TDR340 is a lower power device and can usually be powered from a PC keyboard port, removing the need for a mains power supply unit.


The TDR340 document reader is designed for airline passenger travel document and card reading. Most Common Use Systems are supported and the reader can be adapted to add a new host or to support non-standard cards such as loyalty or frequent flyer. To ensure flexibility for the future, new firmware to add and modify features can be down-loaded to the unit.

General Description

The dual illumination TDR340 is a compact fast OCR document reader with the capability to read passports, visas and other documents conforming to ICAO Document 9303, including:

Machine Readable Passports (MRP): 2 lines of 44 characters
Machine Readable Visa (MRV): 2 lines of 44 characters, 2 lines of 36 characters
Machine Readable Travel Cards (MRTD): 2 lines of 36 characters, 3 lines of 30 characters

It is also capable of reading OCR ticket data printed in accordance with IATA Recommended Practice 1720a including:

ATB-1 type 407-E, 1403M, OCRB, OCRA and IATA 2of5 bar code data

The MSR reader performs bi-directional reading of ticket and boarding pass coupons conforming to IATA Resolution 722E and magnetic card data conforming to ISO 7811/2-5. Both readers achieve reliable reading at fast and slow swipe speeds.


The TDR340 has a range of options:

Standard Specification

Dimension: 217 x 60 x 59 mm³
Weight: 0.65 kg
Colour: Pearl white
Host Interface: Bi-directional, RS232 by 9-way D-type
Power requirement: +5V DC
Current consumption: <250mA
Cable length: 2.5m
Storage Temperature: -20 °C to 60 °C
Operating Temperature: 0 °C to 50 °C

For more information, e-mail us at info@diletta.com.