CAEN RFID is proud to announce an important enhancement to the Lepton module line in its easy2read© product portfolio. The existing models—Lepton³x1, Lepton³x4, Lepton⁷x1, Lepton⁷x4, Lepton⁹x1, and Lepton⁹x4—are now available with a USB Type-C connector, offering improved compatibility and streamlined integration for modern RFID applications.
This new connectivity option enhances the usability of these robust RAIN RFID modules, making them more versatile than ever for industries requiring compact and high-performance RFID readers.
A Closer Look at the Lepton Modules
Lepton³x1-USB (Model R3101CU)

The Lepton3x1-USB (Model R3101CU), an embedded reader of the easy2read© product line, is an ultra compact reader for low power, high performance RAIN RFID applications. (Picture: CAEN RFID)
Compact, energy-efficient, and high-performing, the Lepton³x1-USB is perfect for battery-powered applications that demand portability without compromising on performance.
Key Features:
- Standard Compliance: RAIN RFID (UHF EPC Class1 Gen2, ISO 18000-63).
- Output Power: Configurable up to 25 dBm (316 mW).
- Interfaces: USB Type-C (Virtual COM).
- Design: Multiregional support in an ultra-compact size.
- Applications: Handheld devices, multiregional label printers, smart appliances, and POS readers.
Compact, energy-efficient, and high-performing, the Lepton³x1-USB is perfect for battery-powered applications that demand portability without compromising on performance.
Key Features:
- Standard Compliance: RAIN RFID (UHF EPC Class1 Gen2, ISO 18000-63).
- Output Power: Configurable up to 25 dBm (316 mW).
- Interfaces: USB Type-C (Virtual COM).
- Design: Multiregional support in an ultra-compact size.
- Applications: Handheld devices, multiregional label printers, smart appliances, and POS readers.

The Lepton3x1-USB (Model R3101CU), an embedded reader of the easy2read© product line, is an ultra compact reader for low power, high performance RAIN RFID applications. (Picture: CAEN RFID)
Lepton³x4-USB (Model R3104CU)
The Lepton³x4-USB strikes the ideal balance between size and flexibility, making it an excellent choice for compact, connector-based RFID module applications.
Key Features:
- Standard Compliance: RAIN RFID (UHF EPC Class1 Gen2, ISO 18000-63).
- Output Power: Configurable up to 25 dBm (316 mW).
- Interfaces: USB Type-C (Virtual COM).
- Design: Multiregional support for seamless global deployment.
- Applications: Handheld devices, compact industrial systems, and label printers.
Lepton⁷x1-USB (Model R7101CU)

The radio frequency core of the Lepton⁷x1-USB is based on the Impinj E710 IC that permits to achieve fast reading speed and to be used in dense reader and dense tag environments for top-class rated performances. (Picture: CAEN RFID)
With exceptional long-range reading capabilities, the Lepton⁷x1-USB is designed for performance-driven environments where reliability and range are critical.
Key Features:
- Standard Compliance: RAIN RFID (UHF EPC Class1 Gen2, ISO 18000-63).
- Output Power: Configurable up to 30 dBm (1 W).
- Interfaces: USB Type-C (Virtual COM).
- Design: Multiregional support with low power consumption.
- Applications: Long-range readers, handheld devices, POS readers, and smart appliances.
With exceptional long-range reading capabilities, the Lepton⁷x1-USB is designed for performance-driven environments where reliability and range are critical.
Key Features:
- Standard Compliance: RAIN RFID (UHF EPC Class1 Gen2, ISO 18000-63).
- Output Power: Configurable up to 30 dBm (1 W).
- Interfaces: USB Type-C (Virtual COM).
- Design: Multiregional support with low power consumption.
- Applications: Long-range readers, handheld devices, POS readers, and smart appliances.

The radio frequency core of the Lepton⁷x1-USB is based on the Impinj E710 IC that permits to achieve fast reading speed and to be used in dense reader and dense tag environments for top-class rated performances. (Picture: CAEN RFID)
Lepton⁷x4-USB (Model R7104CU)
The Lepton⁷x4-USB builds on the functionality of the Lepton⁷x1-USB, introducing support for multiple antennas for greater flexibility and expanded coverage.
Key Features:
- Standard Compliance: RAIN RFID (UHF EPC Class1 Gen2, ISO 18000-63).
- Output Power: Configurable up to 30 dBm (1 W).
- Design: Compact, multiregional, with 4 antenna ports.
- Interfaces: USB Type-C (Virtual COM).
- Applications: Fixed mount readers for scan tunnels, logistic portals, and high-performance RFID readers.
Lepton⁹x1-USB (Model R9101CU)

With programmable output power from 10 dBm to 30 dBm, the reader can detect tags at more than 5 m of distance (depending on antenna and tag dimensions).
Engineered for dense tag environments, the Lepton⁹x1-USB offers superior sensitivity and is tailored for industrial-grade RFID applications.
Key Features:
- Standard Compliance: RAIN RFID (UHF EPC Class1 Gen2, ISO 18000-63).
- Output Power: Configurable up to 30 dBm (1 W).
- Sensitivity: -90 dBm, ensuring superior tag detection.
- Interfaces: USB Type-C (Virtual COM).
- Applications: High-performance RAIN RFID readers and autonomous vehicle-mounted inventory readers.
Engineered for dense tag environments, the Lepton⁹x1-USB offers superior sensitivity and is tailored for industrial-grade RFID applications.
Key Features:
- Standard Compliance: RAIN RFID (UHF EPC Class1 Gen2, ISO 18000-63).
- Output Power: Configurable up to 30 dBm (1 W).
- Sensitivity: -90 dBm, ensuring superior tag detection.
- Interfaces: USB Type-C (Virtual COM).
- Applications: High-performance RAIN RFID readers and autonomous vehicle-mounted inventory readers.

With programmable output power from 10 dBm to 30 dBm, the reader can detect tags at more than 5 m of distance (depending on antenna and tag dimensions).
Lepton⁹x4-USB (Model R9104CU)
Combining long-range reading with multi-antenna support, the Lepton⁹x4-USB is built for the most demanding industrial and logistical environments.
Key Features:
- Standard Compliance: RAIN RFID (UHF EPC Class1 Gen2, ISO 18000-63).
- Output Power: Configurable up to 30 dBm (1 W).
- Sensitivity: -90 dBm for dense tag environments.
- Design: Compact, multiregional, with 4 antenna ports.
- Interfaces: USB Type-C (Virtual COM).
- Applications: Overhead readers, scan tunnels, and fixed mount readers for industrial warehouses.
Why USB Type-C?
The addition of USB Type-C connectivity across the new Lepton modules provides several advantages, including:
- Universal Compatibility: Compatible with modern devices.
- Streamlined Integration: Reduced hardware complexity.
- Enhanced Performance: Faster and more reliable data transfer.
Unlock the Future of RAIN RFID
“With the introduction of USB Type-C connectivity, CAEN RFID’s Lepton modules now offer unmatched flexibility and advanced performance for next-generation RAIN RFID applications. ”

Stefano Coluccini – General Manager, CAEN RFID
For more details visit the new modules on CAEN RFID’s official website or get in touch – we look forward to hearing from you and will be happy to advise you!