Digi TransPort WR21 Cellular, Ethernet Modem/Wireless Router
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Product Information for Digi TransPort WR21 Cellular, Ethernet Modem/Wireless Router

Highlights for Digi TransPort WR21 Cellular, Ethernet Modem/Wireless Router

  • Form Factor:Wall Mountable

Marketing Information

Compact, flexible, low-cost 3G/4G LTE enterprise router for remote and mobile networking applications

Digi TransPort WR21 is a full-featured cellular router offering the flexibility to scale from basic connectivity applications to enterprise class routing and security solutions. With its high-performance architecture, Digi TransPort WR21 provides primary and backup connectivity and is designed for Wide Area Network connectivity including 2.5G/3G/4G networks and beyond. Optional Gobi™ module provides true HSPA+/EV-DO carrier diversity in a single solution.

Flexible power and connectivity options, along with extended temperature ranges make Digi TransPort WR21 a versatile product for both commercial and industrial environments. The Digi TransPort WR21 supports enterprise software features for advanced security (stateful firewall, MAC filtering, VPN), redundancy (VRRP+, SureLink®), and management (SNMP, event logging, analyzer trace, and QOS), enabling the product to be used in PCI or NERC-CIP compliant applications.

Digi management solutions provide easy setup, configuration and maintenance of large installations of remote Digi TransPort devices. Digi Remote Manager SM offers web-based device management for remote Digi cellular routers and gateways.


Wireless Specifications

  • Cellular Data Connectivity Technology: HSPA+
  • Cellular Generation: 4G
  • Cellular Network Supported: LTE 700
  • Total Number of Antennas: 2
  • Number of External Antennas: 2

Additional Product Specifications


  • USB: Yes
  • Number of Network (RJ-45) Ports: 2
  • PoE (RJ-45) Port: No

General Information

  • Product Type: Modem/Wireless Router
  • Manufacturer Part Number: WR21-L52B-DE1-SH
  • Manufacturer Website Address: http://www.digi.com
  • Packaged Quantity: 1
  • Manufacturer: Digi International
  • Product Model: WR21
  • Product Name: TransPort WR21 Modem/Wireless Router
  • Product Line: TransPort
  • Brand Name: Digi

I/O Expansions


Green Compliant


Green Compliance Certificate/Authority


Network & Communication

  • VPN Supported: Yes
  • Ethernet Technology: Fast Ethernet

Physical Characteristics

  • Weight (Approximate): 1.08 lb
  • Form Factor: Wall Mountable
  • Height: 1.3"
  • Width: 5.2"
  • Depth: 3.9"

Power Description


Management & Protocols


  • Limited Warranty: 5 Year

Wireless Specifications

  • Wireless Transmission Speed: 100 Mbit/s
  • Broadband Transmission Technology: Cellular
  • ISM Band: Yes
  • ISM Maximum Frequency: 2.40 GHz