SATO CT4-LX 203dpi UHF RFID Desktop Thermal Printer – WWCT03241-WCN

The SATO CT4-LX is a professional-grade desktop thermal printer engineered for enterprise-level RFID label production and asset tracking. Combining 203 dpi print resolution with integrated UHF RFID encoding (860-960 MHz, EPC C1G2), this compact system delivers reliable barcode and smart label output with automated antenna optimization. Built for supply chain operations, manufacturing, and inventory management environments that demand consistent quality and minimal downtime.

Key Features

• 203 dpi resolution at 8 ips for sharp barcode, QR code, and text output
• Integrated UHF RFID encoding with SATO RF Analyze auto-optimization technology
• Direct thermal and thermal transfer print methods for label versatility
• 4.3-inch full-color touchscreen for intuitive navigation and configuration
• 4 GB Flash + 1 GB DDR3 memory with 2 GB user-accessible storage
• Tool-free printhead and platen roller replacement to reduce maintenance time
• Multi-protocol connectivity: Ethernet, Wi-Fi, Bluetooth, and USB 2.0
• Compact desktop form factor (7.0" × 9.375" × 8.4375") with 7.3 lb weight

Technical Specifications

• Print Method: Direct Thermal / Thermal Transfer
• Resolution: 203 dpi
• Print Speed: 8 inches per second
• Maximum Print Width: 4.09 inches
• Media Width Range: 1.0" to 4.1"
• Media Roll OD (Max): 5.0 inches
• Ribbon Capacity: Up to 984 feet (300 m)
• 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: Ethernet, Wi-Fi, Bluetooth, USB
• Power: AC 100–240V, 50/60 Hz
• Operating Temperature: 0°C to 40°C

Typical Applications

• UHF RFID tag encoding and verification for asset tracking and chain-of-custody
• Smart label production for supply chain visibility and logistics
• Item-level RFID tracking in manufacturing and warehouse operations
• Automated inventory management and real-time location systems (RTLS)
• Compliance labeling with integrated barcode and RFID data

Karl Wilson

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

The CT4-LX distinguishes itself through SATO RF Analyze, an auto-optimization engine that adapts antenna settings to different RFID inlay types—eliminating manual tuning and encoding failures. The 203 dpi resolution and 8 ips throughput balance quality with production speed, suitable for mid-volume operations. Dual thermal methods (direct and transfer) provide cost flexibility: direct thermal for short-term labels, thermal transfer for durability.

The 4.3-inch touchscreen and tool-free printhead access reduce operator training and maintenance labor. Onboard storage (2 GB user space) supports complex form libraries and fonts without external dependency. For organizations deploying item-level RFID in logistics, retail, or healthcare, this printer's integrated encoder and RF optimization deliver higher encode quality than post-print encoding systems, reducing tag read failures and rework.

Product Documentation