SATO CT4-LX 203dpi UHF RFID Desktop Thermal Printer

The SATO CT4-LX (WWCT03241-NDN) is a compact desktop thermal printer engineered for enterprise-grade RFID label production. Combining 203 dpi direct thermal and thermal transfer printing with integrated UHF RFID encoding (860-960 MHz, EPC C1G2 standard), this printer delivers reliable barcode and smart label output at 8 inches per second. Its intuitive 4.3-inch full-color touchscreen and tool-free maintenance design make it ideal for organizations requiring automated asset tracking, supply chain visibility, and item-level RFID encoding without extensive technical expertise.

Key Features

• 203 dpi resolution with 8 ips print speed for sharp barcodes and text
• 4.09-inch maximum print width supporting media rolls 1 to 4.1 inches wide
• UHF RFID encoding with SATO RF Analyze auto-optimization for reliable antenna performance across inlay types
• 4 GB Flash + 1 GB DDR3 memory with 2 GB user storage for forms, fonts, and RFID data
• Multiple connectivity options: USB 2.0, Ethernet, Wi-Fi, and Bluetooth
• 4.3-inch full-color touchscreen for intuitive configuration and monitoring
• Tool-free printhead and platen roller replacement minimizing downtime
• Supports media rolls up to 5-inch outer diameter on 1.5-inch cores
• Ribbon capacity up to 984 feet (300 meters) for extended production runs

Technical Specifications

• Print Method: Direct Thermal / Thermal Transfer
• Resolution: 203 dpi
• Maximum Print Width: 4.09 inches
• Print Speed: 8 inches per second
• Media Width Range: 1 to 4.1 inches
• Media Core: 1.5 inches
• Maximum Media Diameter: 5 inches
• Ribbon Length: Up to 984 feet
• RFID Frequency: 860-960 MHz UHF
• RFID Standard: EPC C1G2
• Memory: 4 GB Flash, 1 GB DDR3, 2 GB user storage
• Display: 4.3-inch full-color touchscreen
• Connectivity: USB 2.0, Ethernet, Wi-Fi, Bluetooth
• Dimensions: 7.0 x 9.375 x 8.4375 inches
• Weight: 7.3 lbs (3.3 kg)
• Power: AC 100-240V, 50/60Hz
• Operating Temperature: 32°F to 104°F (0°C to 40°C)

Applications

• UHF RFID tag encoding and verification for asset tracking and management
• Smart label production for supply chain transparency and logistics
• Manufacturing environments requiring item-level RFID tracking
• Automated inventory management and warehouse operations
• Enterprise label production with integrated RFID capabilities

Karl Wilson

Perspective based on aggregated IP Security Depot and affiliated engineering team experience.

The SATO CT4-LX stands out as a purpose-built solution for organizations transitioning from barcode-only operations to RFID-enabled smart labeling. The integrated UHF RFID encoder eliminates the need for external encoding modules, streamlining deployment and reducing total cost of ownership. SATO's RF Analyze feature automatically calibrates antenna parameters based on inlay type—a critical advantage when managing multiple RFID tag suppliers or standards in dynamic supply chains.

The 203 dpi resolution and 8 ips speed balance quality with throughput, making it suitable for mid-volume production environments. The 4 GB Flash and 1 GB DDR3 configuration provides sufficient headroom for complex label designs and RFID data templates without external servers. Connectivity options spanning USB, Ethernet, Wi-Fi, and Bluetooth enable flexible integration into legacy and modern enterprise systems. The tool-free maintenance design—particularly for printhead and platen replacement—directly reduces operational friction in 24/7 environments. The compact desktop footprint (7.3 lbs) positions this printer for both centralized label production and distributed facility deployments without occupying significant floor space.

Product Documentation