SATO CT4-LX 305dpi UHF RFID Desktop Thermal Printer

The SATO WWCT04241-WDR is a compact, enterprise-grade desktop thermal printer engineered for high-volume RFID label production and intelligent asset tracking workflows. Combining 305 dpi resolution with integrated UHF RFID encoding (860-960 MHz), this printer delivers reliable barcode quality and RFID tag verification in a single device, eliminating the need for separate encoding steps and reducing operational complexity.

Key Features

• 305 dpi thermal printing resolution at 8 ips print speed for crisp barcode and text output
• Integrated UHF RFID encoding (860-960 MHz) with SATO RF Analyze auto-optimization technology
• 4.3-inch full-color touchscreen for intuitive setup, operation, and monitoring
• 4 GB Flash memory, 1 GB DDR3 RAM, and 2 GB user-accessible storage for forms, fonts, and label templates
• Multiple connectivity options: Ethernet, Wi-Fi, Bluetooth, and USB 2.0 for flexible network integration
• 4.09-inch maximum print width supporting 1-inch to 4.1-inch media widths
• Tool-free printhead and platen roller replacement for minimal maintenance downtime
• Supports media rolls up to 5-inch outer diameter with ribbon capacity up to 984 feet
• Compact desktop footprint (7.0" × 9.375" × 8.4375") and lightweight at 7.3 lbs

Technical Specifications

• Print Method: Direct Thermal / Thermal Transfer
• Resolution: 305 dpi
• Print Speed: 8 ips
• Maximum Print Width: 4.09 inches
• Maximum Media Width: 4.1 inches
• Maximum Media Diameter: 5 inches
• Memory: 4 GB Flash, 1 GB DDR3, 2 GB user storage
• RFID Capability: UHF encoding at 860-960 MHz with RF Analyze optimization
• Display: 4.3-inch full-color touchscreen
• Connectivity: Ethernet, Wi-Fi, Bluetooth, USB 2.0
• Power Input: AC 100-240V, 50/60 Hz
• Operating Temperature: 32°F to 104°F
• Dimensions: 7.0" × 9.375" × 8.4375"
• Weight: 7.3 lbs

Typical Applications

• UHF RFID tag encoding and verification for asset tracking and inventory management
• Smart label production for supply chain visibility and logistics optimization
• Item-level RFID tracking in manufacturing and warehouse environments
• Automated inventory control with real-time RFID data capture
• Healthcare and retail asset management with durable label durability

Karl Wilson

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

The CT4-LX stands out in the enterprise label printing market by seamlessly integrating RFID encoding directly into the desktop form factor. The SATO RF Analyze engine is a critical differentiator—it automatically adjusts antenna parameters based on inlay type, media composition, and environmental factors, eliminating manual tuning and ensuring consistent encoding performance across diverse label specifications. This is particularly valuable in high-mix production environments where label SKUs change frequently.

The 305 dpi resolution at 8 ips strikes a practical balance between output quality and throughput, suitable for barcode-heavy applications while maintaining acceptable production speeds. The 4.3-inch touchscreen with day/night mode enhances usability in varying lighting conditions, critical for 24/7 warehouse operations. Dual memory architecture (4 GB Flash + 1 GB DDR3) ensures rapid form compilation and label rendering, while 2 GB user storage accommodates moderate template libraries without requiring external management.

For organizations consolidating RFID and thermal printing, the WWCT04241-WDR reduces capital expenditure, footprint, and training overhead compared to separate printer-encoder solutions. The tool-free maintenance design translates to measurable uptime gains in demanding production schedules.

Product Documentation