SATO CT4-LX 203dpi UHF RFID Desktop Thermal Printer

The SATO CT4-LX (WWCT03241-NAR) is a compact desktop thermal printer engineered for enterprise-grade RFID label production and asset tracking applications. Combining 203 dpi thermal printing at 8 ips with integrated UHF RFID encoding (860-960 MHz EPC C1G2), this printer delivers both high-quality barcode output and reliable tag encoding in a space-efficient footprint. The intuitive 4.3-inch full-color touchscreen and tool-free printhead design make it ideal for fast-paced production environments requiring minimal downtime.

Key Features

203 dpi resolution at 8 ips for crisp barcodes, QR codes, and text output

4.09-inch maximum print width accommodates standard label formats

UHF RFID encoding with SATO RF Analyze auto-optimization for consistent tag performance across inlay types

Integrated 4 GB Flash and 1 GB DDR3 memory with 2 GB user storage for forms and fonts

Multiple connectivity: Ethernet, Wi-Fi, Bluetooth, and USB 2.0

4.3-inch touchscreen for intuitive configuration and job management

Tool-free printhead and platen roller replacement minimizes maintenance time

Supports media rolls up to 5-inch diameter on 1.5-inch cores

High-capacity ribbon support up to 984 feet (300 m)

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 to 4.1 inches

Memory: 4 GB Flash, 1 GB DDR3, 2 GB user storage

RFID Capability: UHF (860-960 MHz) EPC C1G2

Connectivity: Ethernet, Wi-Fi, Bluetooth, USB

Display: 4.3-inch full-color touchscreen

Dimensions: 7.0 x 9.375 x 8.4375 inches

Weight: 7.3 lbs

Power: AC 100-240V, 50/60Hz

Operating Temperature: 32°F to 104°F

Ideal Applications

Supply chain visibility with RFID-enabled smart labels

Asset tracking and inventory management

Item-level RFID tagging for retail and manufacturing

Automated inventory control and verification workflows

Healthcare and pharmaceutical serialization

Karl Wilson

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

The CT4-LX stands out in the desktop RFID printer segment for its dual-function capability: simultaneous thermal printing and UHF RFID encoding without external modules. The SATO RF Analyze feature automatically calibrates antenna settings to accommodate different tag inlay designs, reducing encoding failures and rework. With 4 GB onboard storage and full touchscreen control, operators can manage complex label jobs independently, eliminating reliance on networked label design systems.

The 8 ips print speed and 203 dpi resolution strike a practical balance for label applications requiring readable barcodes without sacrificing throughput. Compact dimensions and multi-protocol connectivity (Ethernet, Wi-Fi, USB) make integration into existing production lines straightforward. The tool-free maintenance design—particularly important for high-volume environments—reduces operational friction and downtime.

Best suited for mid-to-high-volume operations requiring batch RFID encoding alongside barcode printing, such as supply chain logistics, pharmaceutical tracking, and asset management workflows.

Product Documentation