SATO CT4-LX 305dpi HF RFID Desktop Thermal Printer
The SATO CT4-LX (model WWCT04441-WDR) is a compact desktop thermal printer engineered for enterprise-grade RFID label production and encoding. Combining 305 dpi resolution with integrated 13.56 MHz HF/NFC RFID capabilities, this printer delivers high-quality barcode and smart label output while maintaining a footprint suitable for office and warehouse environments. The device is purpose-built for organizations requiring reliable RFID tag encoding, verification, and item-level tracking across supply chain and asset management workflows.
Key Features
- 305 dpi print resolution with 8 ips print speed for sharp barcodes and text
- HF/NFC RFID encoding at 13.56 MHz with SATO RF Analyze auto-optimization
- 4.09" maximum print width supporting 1" to 4.1" media range
- 4.3" full-color touchscreen for intuitive control and configuration
- 4 GB Flash, 1 GB DDR3, and 2 GB user-accessible storage
- Quad connectivity: USB 2.0, Ethernet, Wi-Fi, and Bluetooth
- Tool-free printhead and platen roller replacement for minimal maintenance
- Media roll support up to 5" outer diameter; ribbons up to 984 feet
- Compact dimensions: 7.0 x 9.375 x 8.4375 inches; 7.3 lbs
Technical Highlights
The WWCT04441-WDR excels in mixed-use printing environments where RFID encoding precision is critical. The printer's SATO RF Analyze function automatically optimizes antenna settings across different inlay types, eliminating manual calibration and reducing encoding failures. With 4 GB of onboard flash storage, users can manage multiple label templates, fonts, and graphics without external dependencies. The touchscreen interface provides real-time job monitoring, media configuration, and system diagnostics.
Universal connectivity—Ethernet, Wi-Fi, Bluetooth, and USB—enables seamless integration into existing network infrastructure and mobile workflows. The device operates across standard industrial temperature ranges (0°C to 40°C / 32°F to 104°F), making it suitable for both climate-controlled offices and light warehouse conditions. AC power input accepts 100-240V, 50/60Hz globally.
Applications
- HF RFID asset tracking and inventory tagging
- Smart label production for pharmaceutical, apparel, and retail supply chains
- Manufacturing and item-level track-and-trace systems
- Automated inventory management with real-time RFID verification
- NFC-enabled smart label encoding for consumer product authentication
Karl WilsonPerspective based on aggregated IP Security Depot and affiliated engineering team experience.
The SATO CT4-LX balances professional RFID encoding with practical desktop deployment. The 305 dpi specification and 8 ips throughput strike a middle ground for organizations that require quality beyond basic label printing without sacrificing speed. The RF Analyze feature is a standout differentiator—it solves a real operational pain point in RFID workflows where antenna tuning directly impacts encoding yield and tag reliability.
For IT teams, the multi-protocol connectivity and touchscreen UI reduce training overhead and support tickets. The tool-free maintenance design is particularly valuable in 24/7 operations where printhead jams or wear require quick swaps. This device targets mid-market enterprises and logistics operators transitioning from barcode-only to RFID-enabled supply chains, where reliability and ease of use outweigh cost.
Product Documentation
