SATO CT4-LX 305dpi HF RFID Desktop Thermal Printer

The SATO CT4-LX (model WWCT04441-WAR) is a compact desktop thermal printer engineered for enterprise RFID label production and smart label encoding. Combining 305 dpi resolution with integrated HF/NFC RFID capability at 13.56 MHz, this printer delivers high-quality barcode output alongside reliable RFID tag encoding and verification. The 4.3" full-color touchscreen interface provides intuitive operation, while the compact 7.0" × 9.375" × 8.4375" footprint makes it ideal for space-constrained production environments.

Key Features

• 305 dpi Print Resolution – Sharp barcode and text output for asset tracking and supply chain labeling
• HF RFID Encoding at 13.56 MHz – NFC-compatible RFID encoding with SATO RF Analyze auto-optimization for consistent antenna performance across inlay types
• 8 ips Print Speed – Efficient throughput for moderate-to-high volume label production
• 4.09" Maximum Print Width – Supports labels up to 4.09" wide on media rolls up to 5" outer diameter
• Dual Thermal Methods – Direct thermal and thermal transfer printing for flexible media compatibility
• 4 GB Flash + 1 GB DDR3 – Ample memory for forms, fonts, and graphics; 2 GB user-accessible storage
• Tool-Free Maintenance – Printhead and platen roller replacement without tools minimizes downtime
• Multi-Protocol Connectivity – Ethernet, Wi-Fi, Bluetooth, and USB interfaces for flexible network integration

Technical Specifications

• Print Method: Direct Thermal / Thermal Transfer
• Resolution: 305 dpi
• Print Speed: 8 ips
• Maximum Print Width: 4.09"
• Media Width Range: 1" to 4.1"
• Maximum Media Outer Diameter: 5"
• Maximum Ribbon Length: 984 ft
• Touchscreen: 4.3" full-color display
• Memory: 4 GB Flash, 1 GB DDR3
• User Storage: 2 GB
• RFID Frequency: 13.56 MHz (HF/NFC)
• Connectivity: Ethernet, Wi-Fi, Bluetooth, USB
• Operating Temperature: 0°C to 40°C (32°F to 104°F)
• Power Input: AC 100–240V, 50/60Hz
• Dimensions: 7.0" × 9.375" × 8.4375"
• Weight: 7.3 lbs (3.3 kg)

Typical Applications

• HF RFID tag encoding and verification for asset tracking and item-level identification
• Smart label production for supply chain visibility and logistics
• Manufacturing and warehouse RFID-enabled inventory management
• Healthcare and pharmaceutical product tracking with secure RFID encoding
• Retail and apparel item-level tracking for anti-counterfeiting and loss prevention

Karl Wilson

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

The SATO CT4-LX stands out in the desktop RFID printer segment for its balance of print quality and encoding capability. The 305 dpi resolution exceeds industry standards for barcode readability, while the integrated 13.56 MHz RFID module eliminates the need for external encoding stations. SATO's RF Analyze function is particularly valuable in production environments where inlay type and material composition vary—it automatically tunes antenna impedance to maintain consistent encoding performance, reducing failed RFID writes and rework.

The 4 GB Flash and 1 GB DDR3 memory allocation provides sufficient capacity for complex label templates and graphics without performance degradation. Multi-protocol connectivity (Ethernet, Wi-Fi, Bluetooth, USB) supports both legacy and modern network infrastructures. For organizations requiring certified RFID compliance in pharmaceutical, apparel, or asset management workflows, the CT4-LX's tool-free maintenance design reduces total cost of ownership by minimizing technician intervention.

The compact footprint and 7.3 lb weight make it suitable for distributed production models where label printers are deployed across multiple facilities or departments. The touchscreen interface reduces training time for operators unfamiliar with command-line configuration.

Product Documentation