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Digi International

SKU: DIGI-SRV-WB-TIER1-1YR

Digi International DIGI-SRV-WB-TIER1-1YR Wan Bonding Add-on

1-year WAN bonding license for multi-link failover on Digi gateways
- 1-year Tier 1 WAN bonding software license for Digi gear
- Multi-link aggregation combines cellular and wired WAN throughput
- Subscription license activation, no hardware swap needed
$150.00 $149.99 Save $0.01

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Digi International

SKU: DIGI-SRV-WB-TIER2-1YR

Digi International DIGI-SRV-WB-TIER2-1YR Wan Bonding Add-on

Tier 2 WAN bonding license for 32-port Gigabit link aggregation
- 1-year Tier 2 WAN bonding software add-on license
- Multi-link aggregation for combined cellular and wired WAN throughput
- Software subscription activation, no hardware change required
$201.00 $184.99 Save $16.01

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Digi International

SKU: DIGI-SRV-WB-TIER3-1YR

Digi International DIGI-SRV-WB-TIER3-1YR Wan Bonding Add-on

1-year WAN bonding service for 32-port 10G multi-link failover
- 1-year WAN bonding service add-on for multi-link aggregation
- Tier 3 service plan extends WAN bonding to Digi infrastructure
- Software subscription, no hardware swap required to activate
$266.00 $243.99 Save $22.01

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Digi International

SKU: EP-USB-4

Digi International EP-USB-4 4-Port RS232 Serial Adapter

USB-to-serial adapter with 4 independent RS232 ports for legacy devices
- 4-port RS-232 USB-to-serial managed adapter
- Bridges legacy serial gear to modern USB hosts
- 5-year warranty media converter
$435.00 $349.99 Save $85.01

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Digi International

SKU: EP-USB-4-D25

Digi International EP-USB-4-D25 EdgePort/4 RS-232 Serial Adapter

4-port RS-232 serial adapter with USB connection for legacy devices
- EdgePort/4 RS-232 USB-to-serial adapter, DB-25
- 230 Kbps for serial device connectivity
- Extends legacy serial gear over USB
$435.00 $349.99 Save $85.01

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Digi International

SKU: EP-USB-4S

Digi International EP-USB-4S 4-Port Serial Adapter

4-port serial adapter adds RS-232/422/485 connectivity via USB
- 4-port USB-to-serial adapter, RS-232/422/485
- 230 Kbps data rate for legacy serial integration
- 1.12 lb compact form for installer toolbox
$540.00 $433.99 Save $106.01

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Digi International

SKU: EP-USB-8

Digi International EP-USB-8 8-Port RS-232 Serial Adapter

USB-to-serial adapter expands one port into 8 independent RS-232 channels
- EP-USB-8 8-port RS-232 USB-to-serial adapter
- Eight independent DB-9 serial ports from one USB
- Industrial-grade media converter for legacy gear
$660.00 $530.99 Save $129.01

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Digi International

SKU: EP-USB-8-D25

Digi International EP-USB-8-D25 8-Port RS-232 Serial Adapter

8-port RS-232 serial adapter adds legacy connectivity via single USB
- EdgePort/8 8-port RS-232 USB-to-serial adapter
- 8 DB-25 RS-232 ports from one USB host
- 3.35 lb media converter for legacy integration
$660.00 $530.99 Save $129.01

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Digi International

SKU: EP-USB-8S

Digi International EP-USB-8S 8-Port Serial Adapter

8-port USB serial adapter for RS-232/422/485 legacy device integration
- 8-port RS-232/422/485 USB-to-serial adapter
- Three serial standards on each independent port
- 1.65 lb form for cabinet installation
$980.00 $787.99 Save $192.01

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Digi International

SKU: EZ01-MA00-GLB

Digi International EZ01-MA00-GLB Connect EZ Mini Serial Device

Serial-to-Ethernet device server for legacy equipment network integration
- Connect EZ Mini serial-to-Ethernet device server
- 10/100 Mbps Ethernet for legacy serial integration
- 30VDC powered with RJ-45 auto-sensing
$495.00 $397.99 Save $97.01

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Digi International

SKU: EZ02-CAG4-GLB

Digi International EZ02-CAG4-GLB Connect EZ 2 Cellular Device

LTE cellular device server with dual Ethernet for remote industrial access
- Connect EZ 2 cellular device server, LTE
- Dual Ethernet + LTE for remote site connectivity
- Industrial operating temperature for harsh environments
$800.00 $643.99 Save $156.01

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Digi International

SKU: EZ04-IA00-EXT

Digi International EZ04-IA00-EXT Connect EZ 4 Industrial Device

4-port serial device server with dual Ethernet & Wi-Fi 5 for industrial
- Connect EZ 4 industrial dual-connect device server
- Wired Ethernet + Wi-Fi 5 for industrial environments
- 5-year warranty for industrial deployments
$1,000.00 $803.99 Save $196.01

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Digi International

SKU: EZ04-IAG4-EXT

Digi International EZ04-IAG4-EXT Connect EZ 4 Industrial

Industrial gateway extension for CONNECT EZ 4 in harsh environments
- Industrial gateway extension for CONNECT EZ 4 platform expansion
- Dual RJ-45 10/100/1000 Mbps auto-sensing ports for mixed-speed links
- Two 50-ohm SMA antenna connectors for external antenna deployment
$1,150.00 $924.99 Save $225.01

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Digi International

SKU: EZ04-P000

Digi International EZ04-P000 4-Port RS232/422/485 Serial Device

4-port serial device server bridges RS232/422/485 equipment to Ethernet
- 4 serial ports supporting RS-232, RS-422, and RS-485 protocols
- 10/100 Mbps Ethernet uplink bridges legacy serial gear to IP networks
- 5-year warranty for telecom, security, and industrial deployments
$1,100.00 $883.99 Save $216.01

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Digi International

SKU: EZ04-WAG4-GLB

Digi International EZ04-WAG4-GLB Connect EZ 4 Cellular KIT

Cellular gateway kit for remote sites without fixed-line infrastructure
- Cellular gateway with 10/100 Ethernet for industrial field deployment
- Industrial operating temperature range for harsh outdoor cabinets
- 5-year warranty backs long-life remote-site cellular connectivity
$1,000.00 $803.99 Save $196.01

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Digi International

SKU: EZ04-WS00

Digi International EZ04-WS00 Connect EZ 4 WS Serial Device

Serial-to-Ethernet bridge with dual 10/100 ports for legacy device networking
- Dual 10/100/1000 Mbps RJ-45 auto-sensing ports for redundant LAN
- PoE Class 0 or 100-240 VAC supply for flexible site power options
- Compact 20.9 x 15.75 x 3.91 cm chassis at 14W typical draw
$1,330.00 $1,070.99 Save $259.01

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Label Printers

Industrial, desktop, and mobile thermal label printers for shipping labels, asset tags, compliance marking, and product identification. Direct thermal and thermal transfer models from 203 to 600 DPI for any print volume.

Plan Your Deployment

Calculate daily print volume to select desktop, mid-range, or industrial class
Specify label width, length, and material (paper, synthetic, RFID inlay)
Select direct thermal (no ribbon) or thermal transfer (ribbon) based on label durability
Evaluate connectivity: USB, Ethernet, Wi-Fi, Bluetooth for integration with WMS

Buying Guide Browse All Printers Browse Labels & Media

What to Look For When Buying

The decisions that matter most before you spec.

Print Resolution & Barcode Quality

Label printers range from 203 DPI (standard barcodes and text) to 600 DPI (dense QR codes and small compliance labels). Higher DPI ensures scanability over distance and reduces label reprints. Choose resolution based on barcode density requirements and scan-distance DORI standards in your warehouse or distribution environment.

Direct Thermal vs. Thermal Transfer Cost-of-Ownership

Direct thermal eliminates ribbon cost but requires thermal-sensitive label stock (higher per-unit material cost). Thermal transfer uses standard label stock with consumable ribbon, offering flexibility for color and outdoor durability. Calculate monthly label volume and shelf-life requirements to select the right model and reduce total cost of ownership.

Connectivity & Integration with Data-Capture Systems

Most modern label printers support Ethernet, USB, Bluetooth, and cloud APIs for integration with WMS, ERP, and barcode scanners. Ensure your printer firmware supports industry-standard label formats (ZPL, EPL, CPCL) and test connectivity with existing mobile computers and warehouse management software.

Print Speed & Throughput Requirements

Desktop printers range from 4–8 inches per second; industrial models exceed 12 IPS. Match printer speed to peak labeling demand—shipping departments peak at 8–10 AM and 2–4 PM. Undersizing speed leads to bottlenecks; oversizing wastes capital. Factor in label length, media type, and thermal head technology.

Media Compatibility & Specialty Materials

Standard label stock works on most printers, but heavy-duty thermal transfer models support synthetic, polyester, and fabric labels for outdoor asset tags and compliance marking. Verify maximum label width, minimum gap, and rewind/dispenser compatibility before purchase. Test samples with your intended label stock.

Warranty, Support, & Supply-Chain Resilience

Enterprise label printer deployments require 3–5 year warranty, loaner programs, and local parts availability. Star Micronics and Honeywell offer multi-year support plans. Maintain spare thermal heads and rollers on-site to prevent downtime; consider redundant printers for mission-critical labeling workflows.

Technology Stack

The specs and acronyms that actually affect label printers performance.

DPI (Dots Per Inch)

Resolution standard for label printers: 203 DPI is baseline for shipping labels; 300 DPI handles smaller barcodes; 600 DPI supports dense QR codes and compliance text. Higher DPI reduces label size without sacrificing scanability, critical for asset tracking and regulatory marking.

Print Speed (Inches Per Second / IPS)

Indicates how fast the printer lays down a label. Desktop printers: 4–8 IPS. Industrial: 10–15 IPS. Peak warehouse throughput often requires 6+ IPS to avoid queuing. Verify speed specification includes thermal head settling time and media gap.

Direct Thermal vs. Thermal Transfer Technology

Direct thermal: heat-sensitive label stock, no ribbon, lower initial cost, suitable for short shelf-life labels. Thermal transfer: ribbon + standard stock, higher upfront cost, multi-year label durability, full-color capable. Choose based on label longevity and environmental exposure.

Maximum Label Width & Media Handling

Typical range: 4.09–8.65 inches. Industrial printers support edge-to-edge printing and rewind spools for continuous rolls. Verify roll capacity, gap/black-line detection, and media sensor sensitivity to prevent label jams and alignment errors in high-volume environments.

Connectivity Standards (USB, Ethernet, Bluetooth, Cloud)

Modern printers support multiple ports for flexibility. Ethernet enables centralized management and queue sharing; USB for direct workstation control; Bluetooth for mobile device labeling. Cloud APIs allow remote label design and audit trails for compliance workflows.

Thermal Head & Printhead Lifespan

Thermal heads degrade after 10–50 million print cycles depending on pressure and temperature. Industrial printers rated for higher cycles. Monitor print quality degradation (faded edges, uneven density) as a sign of head wear. Budget for replacement every 2–3 years in high-volume shops; maintain spares to minimize downtime.

Typical Deployment Scenarios

E-Commerce Fulfillment Center (500+ labels/day)

Desktop thermal printer (4–6 IPS, 203 DPI) at each packing station, connected via Ethernet to WMS. Direct thermal media for 30-day label visibility. Pair with barcode scanners for label validation. Budget 2–3 backup thermal heads and monthly ribbon/label stock refresh.

Manufacturing Compliance & Asset Labeling (100–300 labels/day)

Mid-range thermal transfer printer (6–8 IPS, 300 DPI) supporting synthetic labels for durability. Supports QR codes for asset tracking and regulatory barcodes. USB + Ethernet connectivity for plant-wide integration. Maintain spare ribbon and label stock for 2-week uninterrupted production.

Field Service & Mobile Labeling (50–100 labels/day on-site)

Portable thermal printer (4 IPS, 203 DPI) with Bluetooth connectivity to mobile computers and smartphones. Direct thermal for simplicity. Lightweight (under 5 lbs), battery-powered. Sync label templates via cloud API; ideal for utility, telecom, and delivery fleets.

High-Volume Logistics Hub (2000+ labels/day)

Industrial thermal transfer system (12+ IPS, 300–600 DPI), ribbon auto-dispense, dual rewind capability. Ethernet + ZPL protocol for centralized label queue from multiple carriers. Automated media-feed detection and color-mark sensing. On-site spare thermal head, roller, and 1-month ribbon/label buffer for continuous operations.

Frequently Asked Questions

What's the difference between 203 DPI and 300 DPI label printers?

203 DPI is standard for most shipping and asset labels; it produces clear barcodes at typical warehouse scan distances (12–36 inches). 300 DPI is needed for denser QR codes, smaller text, or compliance markings that require higher pixel density. 600 DPI supports ultra-high-density codes but adds cost and slows print speed. Match DPI to your barcode density and scan-distance requirements.

How often do I need to replace the thermal head in a label printer?

Thermal heads typically last 10–50 million print cycles, translating to 1–3 years in high-volume environments. Signs of wear include faded or uneven print across the label width. Desktop printers see longer head life (3+ years at 500 labels/day); industrial systems need replacement every 18–24 months. Keep spares on hand to minimize downtime during swaps.

Can I use a direct thermal printer with any label stock?

No. Direct thermal printers require thermally sensitive label material designed to darken when heated. Standard label stock will not print. Thermal transfer printers are more flexible—they work with standard white label stock, colored labels, synthetics, and specialty materials using ribbon. Confirm label stock compatibility before purchasing printer or labels.

What connectivity options should my label printer have?

Ethernet is ideal for networked warehouses and shared print queues. USB is standard for direct workstation control. Bluetooth enables mobile device printing for field operations. Cloud APIs and ZPL/EPL protocol support allow integration with WMS and ERP systems. For enterprise deployments, prioritize Ethernet + USB + optional Bluetooth to maximize flexibility and avoid single points of failure.

How do I calculate the right printer speed for my operation?

Peak throughput = (number of labels per hour at peak time) / 60. If you label 500 items/hour at peak, you need at least 8–9 IPS to avoid bottlenecks. Add 20% headroom for label reprints and media gaps. Desktop printers (4–8 IPS) suit light-to-medium duty; industrial (12+ IPS) handle continuous high-volume. Underestimating speed is a common cause of shipping delays.

What supplies do I need to keep on hand to prevent printer downtime?

Stock at least 1–2 spare thermal heads, 1–2 platen rollers, cleaning swabs, and a 2-week buffer of label stock and (if thermal transfer) ribbon. For mission-critical operations, consider a second printer as backup. Subscribe to consumable auto-ship programs to eliminate supply-chain surprises. Monitor spare parts inventory monthly.

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