UHF | RAIN - Reader Module
UHF | RAIN - RFID Reader Module CAEN - Lepton-x4 USB
■ RAIN RFID (UHF EPC Class1 Gen2, ISO 18000-63) compliant
■ Up to 30 dBm (1 W) output power
■ 4 MMCX antenna ports
■ Serial interface (TTL Levels)
■ Low power consumption

Overview
When applications require a high-performance UHF | RAIN RFID solution with multiple antennas in a compact and energy-efficient design, professional embedded readers become a key system component. The CAEN RFID Lepton x4 TTL reader modules, available as Lepton3x4, Lepton7x4, and Lepton9x4, are specifically designed for demanding RFID OEM reader applications in which multiple read zones must be implemented within a single system. As part of the easy2read product line, these RFID reader modules combine industrial-grade RFID performance with an extremely compact form factor. This makes them ideally suited for OEMs and system integrators developing scalable UHF OEM reader solutions for industrial, logistics, and security-critical applications. Thanks to their high level of integration and support for modern RAIN RFID standards, these modules provide a future-proof foundation for professional RFID systems.
At the core of the CAEN UHF reader modules is a powerful RF architecture based on Impinj RAIN RFID chipsets, including the E310, E710, and E910. This technology enables fast inventory cycles, high read rates, and stable tag detection even in environments with high tag density or complex UHF conditions. With a programmable RF output power of up to 30 dBm, the UHF RFID OEM reader modules can achieve read ranges of more than ten meters, depending on antenna configuration, RFID tags, and environmental factors. Their high receiver sensitivity makes the CAEN RFID reader modules particularly well suited for applications that require reliable read performance across multiple read zones, such as conveyor systems, production lines, logistics centers, and automated identification systems. As a result, the modules meet the highest requirements for performance, stability, and repeatability.
A defining feature of the Lepton x4 series is its four independent antenna ports, which enable flexible multi-antenna architectures within a single compact RFID reader. This design is especially advantageous for gate and portal applications, scan tunnels, multi-read-point systems, and access control solutions where several antennas must operate in a coordinated manner. Compared to single-port solutions, a CAEN RFID reader module with four antenna ports significantly reduces overall hardware complexity, as fewer separate reader devices are required. At the same time, power consumption and physical dimensions remain optimized for embedded systems. This facilitates integration into space-constrained enclosures, industrial controllers, and mobile platforms, while also reducing the total cost of ownership of complex RFID infrastructures.
From an integration and lifecycle perspective, the Lepton x4 TTL modules are consistently designed for professional OEM and industrial applications. The serial TTL interface enables direct integration into custom electronics, embedded controllers, and industrial computing platforms. Full compliance with UHF | RAIN RFID standards such as EPC Class 1 Gen2 and ISO 18000-63 ensures maximum interoperability with existing RFID infrastructures. In addition, the modules support both ETSI and FCC regulations, enabling international deployment without hardware changes. Typical application areas include industrial automation, warehouse and logistics operations, transportation, retail backend systems, access management, and security-sensitive environments. IDCRAFT GmbH provides comprehensive support in the selection, integration, and optimization of these UHF OEM reader modules—from antenna design and RF performance to regulatory compliance. For organizations seeking a compact, powerful, and scalable CAEN UHF reader for multi-antenna applications, the Lepton3x4, Lepton7x4, and Lepton9x4 offer a robust and future-ready foundation.
RFID OEM Reader
Applications
■ Gate / Portal Applications
■ Multi Read Point Applications
■ Scan Tunnel Applications
■ Access Management
■ Defence Industry
■ Industrial Automation
■ Overhead Read Points








