The F1 Plus is a proven and trusted Digitax taximeter, with tens of thousands of installations worldwide. Compact, lightweight, and reliable, it delivers outstanding performance for every professional transport need.
Weighing only 350 g and just 2.5 cm thick, its streamlined design fits perfectly in any vehicle — saving space without compromising functionality or precision.
Key Highlights
63 smart tariffs, plus dedicated night and holiday rates for flexible fare management
RS232 serial outputs and analog I/O ports for integration with external systems and peripherals
Full compatibility with Digitax external printers for instant receipts and reports
Certified MID, OIML R21, and E-Mark, ensuring fiscal accuracy and compliance across all markets
Compact, durable, and elegantly designed for professional, long-term use
Built for reliability and ease of operation, the F1 Plus remains one of the most appreciated devices in the Digitax Taximeters line — the perfect balance between performance, simplicity, and design.
- Compact and Lightweight
- 5 Operation Buttons
- MID EU, OIML R21 and E-MARK certified
- Compatible with External Printer
- 2 RS232 Serial Ports
- 4 Digital Input/Output I/O
- 4 Power Outputs
- 63 Smart Tariffs
- Operating Temperature: from -20°C to +70°C
Download Technical Data Sheet
F1 PLUS - AVAILABLE CONFIGURATIONS
Reliability and Design
The F1 Plus represents one of the most established and reliable taximeters in the Digitax range, with a long history of proven performance.
Its advanced technology, continuous refinement, and robust construction make it a dependable solution for professional taxi operations worldwide.
Highlights
Built for long-term reliability and precision
Compact and elegant design for seamless vehicle integration
Trusted by thousands of professionals for durability and ease of use
With its combination of design and functionality, the F1 Plus delivers consistent performance in all environments — a true benchmark in the Digitax taximeter series.
Certifications
The F1 Plus is fully certified for professional taxi installations, guaranteeing precision, compliance, and safety in all operating environments.
Each certification ensures adherence to international standards for fiscal accuracy and vehicle compatibility.
Certifications Overview
MID (Measuring Instruments Directive) — ensures legal measurement accuracy for all fare operations.
OIML R21 — certifies reliability and compliance with international metrological standards.
E-Mark — guarantees electromagnetic safety and full approval for automotive use.
Together, these certifications confirm that the F1 Plus meets the highest European and international standards for professional transport.
Available in two colors
The F1 Plus is available in two elegant finishes — grey and black, designed to match the interior of any professional vehicle.
This choice allows operators to maintain a consistent, discreet aesthetic across their fleet while ensuring seamless integration with dashboard or console layouts.
Color Options
Grey — blends perfectly with light or neutral interiors
Black — ideal for darker cabins and executive vehicles
Both versions maintain the same technical specifications and certifications, ensuring identical performance, precision, and reliability.
Rates and Programming
The F1 Plus offers a powerful and flexible fare management system with up to 63 programmable smart tariffs, ensuring full adaptability to any service type or regulation.
It also supports 8 automatic night rates and 8 holiday tariffs, applied seamlessly without manual intervention.
Key Advantages
Internal memory for 63 independent tariffs
Automatic management of night and holiday rates
Simple and intuitive rate configuration interface
Easy updates for new tariffs and local regulations
Programming is fast and intuitive, allowing operators to adjust fares directly or via remote configuration tools — ensuring both flexibility and compliance.
Connectivity
The F1 Plus provides advanced connectivity options designed to integrate seamlessly with external systems and peripherals.
Its communication interfaces ensure real-time data exchange, making it ideal for connected fleet and taxi operations.
Main Features
2× RS232 serial ports (COM1 and COM2) for fast and stable data transfer
4× digital inputs/outputs (I/O) and 4× power outputs for flexible system integration
Compatible with Digitax Mobile Data Terminals for fleet management and dispatching
Supports direct connection to external printers and other peripherals
This versatile setup allows operators to expand functionality, enhance communication, and optimize workflow across their fleet.
Compatible with External Printer
The F1 Plus can be connected to an external printer, allowing the immediate printing of receipts, daily reports, and fiscal documentation.
This feature ensures full compliance with industry standards while keeping operations fast and organized.
Key Advantages
Supports Digitax Printer TRE and Printer QUATTRO for seamless integration
Enables automatic or manual report and receipt printing
Simple RS232 plug-and-play connection
Reliable, high-speed printing even in intensive use
This connectivity makes the F1 Plus an ideal solution for professional taxi services requiring on-demand documentation and complete fiscal traceability.
European MID, OIML and E-Mark certificates
The F1 Plus complies with European MID, OIML R21, and E-Mark standards, ensuring certified accuracy, safety, and reliability for professional taxi operations.
Certified For:
-MID – verified metrological precision
-OIML R21 – fare accuracy and reliability
-E-Mark – safety and electromagnetic compliance
These certifications make the F1 Plus a trusted, regulation-ready taximeter for all commercial vehicles.
Lightweight and Compact
The F1 Plus is designed to maximize functionality while minimizing space.
Its compact form factor and low weight make it suitable for any taxi or commercial vehicle.
Technical Overview
-Weight: 350 g
-Dimensions: 17 × 4.5 × 2.5 cm
-Operating Temperature: –20°C to +70°C
-Installation: adaptable to different dashboard configurations
Compact, efficient, and robust — the F1 Plus delivers high performance without compromising interior aesthetics.
TECHNICAL SPECIFICATIONS
Power supply | Operating Range 9 - 16 V |
Range of Device Constant | k = 500 km⁻¹ to 65535 km⁻¹ |
Resolution of Device Constant | 1 km⁻¹ |
Range of Time Tariff | 0.10 CU/h to 6553.5 CU/h |
Resolution of Time Tariff | 0.10 CU/h |
Range of Distance Tariff | 0.10 CU/km to 6553.5 CU/km |
Resolution of Distance Tariff | 0.10 CU/km |
Odometer Transducer Input | Input range: 0 to 16 V Level for LOW voltage: 0 - 0.3 V Level for HIGH input: 12 - Vcc Maximum Frequency: 1 KHz High Voltage Trigger: High - Low Transition |
Passenger Sensor | Input Range: 0 to 12 V Maximum Level for LOW Input: 1.4 V |
Taxi Light Output | Maximum Current: 2 A Output Voltage: Vcc |
Lights Outputs | Maximum Current: 1 A Output Voltage: Vcc |
Printer Power Out | Maximum Current: Direct from Vcc Input Output Voltage: Vcc |
RS-232 Serial Ports | Standard COM1, COM2 |
Power supply | Operating Range 9 - 16 V |
Range of Device Constant | k = 500 km⁻¹ to 65535 km⁻¹ |
Resolution of Device Constant | 1 km⁻¹ |
Range of Time Tariff | 0.10 CU/h to 6553.5 CU/h |
Resolution of Time Tariff | 0.10 CU/h |
Range of Distance Tariff | 0.10 CU/km to 6553.5 CU/km |
Resolution of Distance Tariff | 0.10 CU/km |
Odometer Transducer Input | Input range: 0 to 16 V Level for LOW voltage: 0 - 0.3 V Level for HIGH input: 12 - Vcc Maximum Frequency: 1 KHz High Voltage Trigger: High - Low Transition |
Passenger Sensor | Input Range: 0 to 12 V Maximum Level for LOW Input: 1.4 V |
Taxi Light Output | Maximum Current: 2 A Output Voltage: Vcc |
Lights Outputs | Maximum Current: 1 A Output Voltage: Vcc |
Printer Power Out | Maximum Current: Direct from Vcc Input Output Voltage: Vcc |
RS-232 Serial Ports | Standard COM1, COM2 |
FAQ
The F1 Plus combines certified measurement accuracy, advanced electronic reliability, and durable construction.
Developed from years of proven field performance, it ensures stable operation, precision in fare calculation, and full compliance with European MID, OIML R21, and E-Mark standards.
Yes. The F1 Plus includes two RS232 serial ports, digital I/O, and power outputs for easy connection with peripherals such as external printers, POS terminals, and fleet systems.
The F1 Plus can be expanded with external Bluetooth connectivity for wireless data exchange and integration with mobile devices or apps.
Add Bluetooth Connectivity with Digitax Dongle
The F1 Plus supports up to 63 programmable smart tariffs, including night and holiday rates.
Tariff and software updates can be managed through the Digitax SDK or authorized service tools.
🔗Learn more about Digitax SDK Integration
Yes. It is compatible with Digitax printer models and supports connection to external fiscal or report printers, ensuring fast and reliable receipt printing.
Discover Digitax Printer QUATTRO
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It is fully certified under European MID, OIML R21, and E-Mark standards, ensuring compliance, accuracy, and safety for professional use.
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