SATO CT4-LX 305dpi HF RFID Desktop Thermal Printer

The SATO WWCT04441-WDN is a compact, enterprise-grade desktop thermal printer engineered for high-volume RFID label production. Combining 305 dpi resolution with integrated 13.56 MHz (HF) RFID encoding capabilities, this printer delivers precise barcode and tag encoding in a footprint designed for space-constrained environments. The CT4-LX series excels in supply chain applications requiring simultaneous thermal printing and NFC/RFID tag verification.

Key Features

• 305 dpi resolution at 8 ips print speed for sharp, scannable output
• HF RFID encoding (13.56 MHz) with SATO RF Analyze auto-optimization for consistent tag performance
• 4.09" maximum print width supports standard enterprise label formats
• 4 GB Flash and 1 GB DDR3 memory with 2 GB user-accessible storage for forms, fonts, and RFID profiles
• 4.3" full-color touchscreen interface for intuitive operator control
• Multiple connectivity: Ethernet, Wi-Fi, Bluetooth, and USB for flexible network integration
• Tool-free printhead and platen roller replacement to minimize maintenance downtime
• Media width range: 1" to 4.1" on 1.5" cores; supports rolls up to 5" outer diameter

Technical Specifications

• Print Method: Direct Thermal / Thermal Transfer
• Resolution: 305 dpi
• Print Speed: 8 ips
• Max Print Width: 4.09"
• Memory: 4 GB Flash, 1 GB DDR3 (2 GB user storage)
• RFID Frequency: 13.56 MHz (HF)
• Connectivity: Ethernet, Wi-Fi, Bluetooth, USB
• Display: 4.3" touchscreen
• Operating Temperature: 32°F to 104°F (0°C to 40°C)
• Power: AC 100-240V, 50/60Hz
• Dimensions: 7.0" x 9.375" x 8.4375"
• Weight: 7.3 lbs (3.3 kg)

Ideal Applications

• HF RFID tag encoding and verification for asset tracking and inventory management
• Smart label production for supply chain visibility and logistics optimization
• Manufacturing and item-level RFID tracking for production workflows
• Automated inventory management systems requiring real-time RFID encoding
• Enterprise labeling environments requiring compact, reliable thermal printing with RFID integration

Karl Wilson

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

The SATO CT4-LX HF RFID printer bridges the gap between traditional thermal printing and modern RFID-enabled supply chain operations. The integrated RF Analyze function automatically optimizes antenna settings for different RFID inlay types—a significant advantage in heterogeneous environments where tag performance variability is common. With 305 dpi resolution and 8 ips speed, this printer handles both high-density barcode requirements and throughput demands typical of mid-volume production environments.

The 4.3" touchscreen and tool-free consumables design reduce operator training time and maintenance costs. For organizations transitioning from barcode-only to RFID-augmented operations, the CT4-LX offers native dual-capability without sacrificing thermal print quality. Memory allocation—4 GB Flash for firmware/forms and 2 GB user storage—supports complex label templates and RFID encoding profiles.

Multi-protocol connectivity ensures seamless integration into existing IT infrastructure, whether Ethernet-based or Wi-Fi environments.

Product Documentation