Have a Question?

Digi WR21

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

 
  • Compact, low-cost, flexible cellular routing platform with enterprise feature set
  • Enterprise software with advanced routing protocols, VPN, and stateful firewall
  • High-performance architecture, flexible power and extended operating temperature
  • 3G/4G cellular interface supporting LTE and HSPA+ networks worldwide
  • Redundant connectivity with dual SIMs and Digi SureLink™
  • Digi Remote Manager® software for easy setup, configuration, and maintenance
How to Buy
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 WWAN connectivity over 3G/4G/LTE. The platform includes software selectable multi-carrier and regional LTE variants.

Flexible power and connectivity options, along with extended temperature ranges make Digi TransPort WR21 a versatile product for both commercial and industrial environments.
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® offers web-based device management for remote Digi cellular routers, gateways and third-party devices.
Digi RM
 

Digi Remote Manager

Drop-in deployment with simple,
secure remote control

Best-in-class monitoring and management ensures you can scale your deployment to a fleet of any size. Digi Remote Manager® gives you a single, secure platform to access data and manage devices from anywhere. Simple, secure control keeps your deployments on track — edit configurations, update firmware, monitor, schedule and automate tasks — all from your desktop or tablet.

30 Day Trial Learn More
 
Badge

2G/3G Shutdowns: Plan Ahead to Stay Ahead

The shutdowns are coming sooner than you’d like. And Digi is here to help you plan ahead to avoid disruptions, lost data and – even worse – lost revenue. Digi LTE Migration Services is standing by with everything to make things go smoothly and quickly. What you need. Just in time.

Beat the 2G/3G Shutdown
* For qualifying projects

Compare Industrial Routers

Compare Industrial Routers

2G and 3G sun setting is already underway, and 4G LTE is already here. The time to start planning your legacy device migration is now. Make your LTE migration smoother and easier with our network turndown expertise and the resources shown in this short video.

The time to start planning for the 2G/3G migration to 4G is now, especially if you have a large number of legacy devices in the field. Digi has the network turn-down expertise, resources, hardware and software to help make your LTE migration a success. Learn about the steps your organization will need to take to make sure you capture all the information you’ll need to prepare for the migration from legacy 2G and 3G networks.

Newest Resources

GeneSys GeneSys Sensors Help Auto Makers Test Performance and Prepare for the Connected Vehicle Future Vehicle makers can now precisely test and analyze automotive performance with advanced GeneSys sensor technology and the Digi... READ STORY Enlazza Enlazza Uses Digi Remote Manager to Securely Manage Fleet of Digi Routers The Enlazza Company developed an innovative service, called Host Name Solution (HNS), using Digi Remote Manager APIs. The... READ STORY Otis Elevator Otis Elevator Develops a Predictive Maintenance Solution to Improve Response Rates The Otis ONE digital platform combines cloud technology, machine learning, and IoT to provide users with live information and... READ STORY Managing IoT with Digi Remote Manager White Paper Managing IoT with Digi Remote Manager White Paper Digi IoT device management: Secure and scalable deployments with Digi Remote Manager white paper VIEW PDF Digi Router Product Feature Comparison Guide Digi Router Product Feature Comparison Guide DOWNLOAD PDF AFCEC AFCEC Cuts Costs, Increases Reliability by Converting from Landlines to Cellular for Systems Control and Monitoring at Superfund Cleanup Site AFCEC missions include facility investment planning, design and construction, operations support, real property management... READ STORY 4 Steps to 4G LTE 4 Steps to 4G LTE 2G and 3G sun setting is already underway, and 4G LTE is already here. The time to start planning your legacy device migration... WATCH VIDEO The Top 5 Considerations for Migrating to 4G, 5G and Beyond The Top 5 Considerations for Migrating to 4G, 5G and Beyond Preparing for 2G and 3G sunsets VIEW PDF Digi Network Failover Solutions Digi Network Failover Solutions Decrease risk, increase productivity. The case for cellular failover connectivity. VIEW PDF Bring Your Own Cellular Network Bring Your Own Cellular Network Digi Product Manager, Andrew Lund, explains the tradeoffs involved in using wired LAN or LTE in retail environments and the... WATCH VIDEO Purpose-built for Retail IoT Purpose-built for Retail IoT To keep your critical point-of-sale and other network devices connected and the data flowing securely, look to Digi for our commercial-grade routers and gateways. VIEW PDF Cactus Computer Innovative Dual-Carrier Solution from Cactus Computer Eliminates Dead Zones, Keeps Operations Flowing for Grand Prairie Water Leveraging the Digi TransPort® WR21 4G LTE router, Texas-based Cactus Computer has created the “Cactus 2x4GLTE,” an innovative... READ STORY PragmaTech is an innovative waste management consulting firm that offers waste management organizations, retailers, mall owners... READ STORY Energy solution provider saves over $300K/year by replacing expensive land-line circuits with LTE from Digi International READ STORY PCI-Compliant 4G LTE Networking with Digi Enterprise Routers PCI-Compliant 4G LTE Networking with Digi Enterprise Routers VIEW PDF Connectivity Solutions for Public Transit Connectivity Solutions for Public Transit More Efficient Bus Fleets for Smarter Public Transit VIEW PDF Efficient Data Transfer over Cellular Networks White Paper Efficient Data Transfer over Cellular Networks White Paper Communicating via cellular networks with remote devices VIEW PDF Cellular Communications for Commercial and Industrial Metering Cellular Communications for Commercial and Industrial Metering Flexible and secure cellular routers connect remote C&I meters with a utility’s meter data management system for accurate billing and planning VIEW PDF Cellular Communications for Distribution Automation Cellular Communications for Distribution Automation Flexible, high security cellular routers support control and automation projectsacross utility distribution systems VIEW PDF Utility Solutions Guide Utility Solutions Guide DOWNLOAD PDF Secure ATM Networking With 3G/4G LTE Secure ATM Networking With 3G/4G LTE Secure and smart 3G/4G LTE connections to off-premise atms and bill-pay terminals VIEW PDF 3G and 4G LTE Communication to Off-premise Gaming Terminals 3G and 4G LTE Communication to Off-premise Gaming Terminals Secure and reliable cellular routers connect remote gaming terminals to central data centers for fast, redundant gaming communication VIEW PDF NERC-CIP Best Practices Guide NERC-CIP Best Practices Guide DOWNLOAD PDF Meter Engineers Handbook for Cellular Communication Meter Engineers Handbook for Cellular Communication DOWNLOAD PDF Digi SureLink Digi SureLink DOWNLOAD PDF Digi TransPort WR21 Datasheet Digi TransPort WR21 Datasheet Compact, flexible, low-cost 3G/4G/LTE enterprise router for remote and mobile networking applications VIEW PDF Digi Remote Manager Datasheet Digi Remote Manager Datasheet Comprehensive IoT device management application for secure asset monitoring and control VIEW PDF Remote Cellular TCP/IP Access to GE Fanuc Ethernet and Serial Devices Remote Cellular TCP/IP Access to GE Fanuc Ethernet and Serial Devices DOWNLOAD PDF Digi Cellular Gateway Security Overview Digi Cellular Gateway Security Overview DOWNLOAD PDF WAN Failover Scenarios Using  Digi  Wireless WAN  Routers WAN Failover Scenarios Using Digi Wireless WAN Routers DOWNLOAD PDF 4G LTE and PCI-Compliance: What Every Retailer Should Know 4G LTE and PCI-Compliance: What Every Retailer Should Know VIEW PDF MicroPower MicroPower Technologies Delivers Reliable and Secure Video Surveillance For Major West Coast Utility MicroPower’s solar-powered compact, wireless SOLVEIL HD surveillance platform relies on the Digi TransPort® WR21 cellular... READ STORY Digi TransPort Connects Thousands of Point of Sale Terminals Across Switzerland Find out how LoRo used the Digi TransPort WR21 enterprise router to transition from fixed-line connections to wireless LTE... READ STORY Monster Media is a full-service media company that specializes in digital out-of-home (DOOH) advertising. The company is an... READ STORY
 
All related resources

Related Products

SPECIFICATIONS Digi TransPort WR21
WIRELESS INTERFACES
CELLULAR*
LTE - NORTH AMERICA (M5) LTE Cat 4: 700(B12,13)/850(B5)/AWS(B4)/1900(B2)
3G HSPA+: 850/1900 MHz
Transfer rate (max): 150 Mbps down, 50 Mbps up
Approvals: PTCRB, AT&T, Telus (pending)
LTE - EMEA/APAC (M7) LTE Cat 4: 800(B20)/900(B8)/1800(B3)/2100(B1)/2600(B7)
HSPA: 900/2100 MHz
EDGE: 900/1800 MHz
Transfer rate (max): 150 Mbps down, 50 Mbps up
LTE 450 - EMEA/APAC (M2) LTE Cat 3: 450(B31)/800(B20)/1800(B3)/2600 (B7)
HSPA+: 900/2100 MHz
EDGE: 900/1800 MHz
Transfer rate (max): 100 Mbps down, 50 Mbps up
GLOBAL HSPA+ (U9) 3G HSPA+: 850/900/1700AWS/1900/2100 MHz
2G EDGE/GPRS: 850/900/1800/1900 MHz
Transfer rate (max): 21 Mbps down, 5.76 Mbps up
Approvals: PTCRB, Vodafone
EMEA CDMA EV-DO (D5) 3G EVDO Rev B: 450 MHz
2G 1XRTT: 450 MHz
Transfer rate (max): 14.7 Mbps down, 5.4 Mbps up
GSM-R (R5) 900/1800/1900 MHz (TRM-5); GPRS Class 10; transfer rate (max): 42.8 Kbps up, 85.6 Kbps down
CONNECTORS (2) 50 Ω SMA (center pin: female)
SIM SLOTS (2) Mini-SIM (2FF)
SIM SECURITY Optional SIM slot cover plate
GPS**
CHANNELS 12 channel, continuous tracking
SENSITIVITY Tracking1: -161 dBm; Acquisition2 (Assisted, non-LTE): -158 dBm; Acquisition (Assisted, LTE): -153 dBm; Acquisition (Standalone): -145 dBm
PROTOCOL NMEA 0183 V3.0
COLD START < 0.2 m/s
HORIZONTAL ACCURACY < 2 m (50%); < 5 m (90%)
VELOCITY ACCURACY < 0.2 m/s
OTHER
ADDITIONAL FEATURES Send GPS via UDP/IP, TCP/IP (up to two destinations) or serial; Customize and/or send data using Python; GPS status query; Time source capable
WIRED INTERFACES
SERIAL
PORTS (1) DB-9; DCE
DTE/DCE DCE
SIGNAL SUPPORT TXD, RXD, RTS, CTS, DTR, DCD, DSR, RI
FLOW CONTROL Software (XON/XOFF), hardware supported
ETHERNET
PORTS (2) RJ-45; 10/100 Mbps (auto-sensing)
USB
PORTS (1) USB 2.0 Type A
MANAGEMENT
REMOTE MANAGEMENT Digi Remote Manager (cloud based); SNMP v1/v2c/v3 (user installed/managed)
LOCAL MANAGEMENT Web interface (HTTP/HTTPS); CLI (Telnet, SSH, SMS, serial port)
MANAGEMENT/
TROUBLESHOOTING TOOLS
FTP, SFTP, SCP; protocol analyzer with PCAP for Wireshark; event logging with Syslog and SMTP; NTP/SNTP
MEMORY 128 MB NAND Flash/128 MB DDR2 SDRAM
POWER
INPUT 9 – 30 VDC, 18 W min power source required
CONSUMPTION 4 W typical (Idle); 12 W typical (Peak Tx/Rx)
CONNECTOR Depending on model: locking barrel or screw-down removeable terminal block
PHYSICAL
DIMENSIONS (L X W X H) 100 mm x 131 mm x 32 mm (3.9 in x 5.2 in x 1.3 in)
WEIGHT 0.49 kg (1.08 lb)
STATUS LEDS Power, service, WWAN, 3x signal strength
ENCLOSURE MATERIAL/RATING Industrial (metal)/ IP30
MOUNTING Brackets for wall mount & DIN rail sold separately
ENVIRONMENTAL
OPERATING TEMPERATURE *** -35° C to 70° C (-31° F to 158° F); reduced cellular performance may occur above +50° C (122° F)
STORAGE TEMPERATURE -40° C to 85° C (-40° F to 185° F)
RELATIVE HUMIDITY 0% to 95% (non-condensing) @ 25° C (77° F)
ETHERNET ISOLATION 1.5 kV RMS
SERIAL PORT PROTECTION (ESD) 15 kV
HAZARDOUS (CLASS 1 DIV 2) Models with serial (RS-232/422/485) compliant to ANSI/ISA-12.12.01-2015
APPROVALS
CELLULAR PTCRB, NAPRD.03, GCF-CC, R&TTE, EN 301 511
SAFETY UL 60950, CSA 22.2 No. 60950, EN60950
EMISSIONS/IMMUNITY CE, FCC Part 15 Class B, AS/NZS CISPR 22, EN55024, EN55022 Class B
WARRANTY
PRODUCT WARRANTY 3-year
*Optional hardware. Lead time and/or minimum order quantity may apply. Contact Digi Sales for details.
**Transfer rates are theoretical and network operator dependent
***Standard temperature power supplies may reduce temperature range.

 
Line Art
 
ENTERPRISE SOFTWARE DESCRIPTION
PROTOCOL SUPPORT HTTP, HTTPS, FTP, SFTP, SSL, SMTP, SNMP (v1/v2c/v3), SSH, Telnet and CLI for web management; remote management via Digi Remote Manager; SMS management, protocol analyzer, ability to capture PCAP for use with Wireshark; DynDNS; Dynamic DNS client compatible with BIND9/No-IP/DynDNS
SECURITY/VPN Stateful inspection firewall with scripting, address and port translation; VPN: IPSec with IKEv1, IKEv2, NAT Traversal; SSL, SSLv2, FIPS 197, open VPN client and server; PPTP, L2TP; (5) VPN tunnels (not upgradable); Maximum VPN tunnels available: 5; Cryptology: SHA-1, MD5, RSA; Encryption: DES, 3DES and AES up to 256-bit (CBC mode for IPsec); Authentication: RADIUS, TACACS+, SCEP for X.509 certificates; Content filtering (via 3rd party); MAC address filtering; VLAN support; Ethernet port isolation
ROUTING/FAILOVER IP pass-through; NAT, NAPT with IP port forwarding; Ethernet bridging; GRE; Multicast routing; Routing protocols: PPP, PPPoE, RIP (v1, v2) OSPF, SRI, BGP, iGMP routing (multicast); IP failover: VRRP, VRRP+TM; Automatic failover/failback to second GSM network/standby APN; Verizon NEMO/DMNR for primary wireless access
OTHER PROTOCOLS DHCP; Dynamic DNS client compatible with BIND9/No-IP/DynDNS; QoS via TOS/DSCP/WRED; Modbus UDP/TCP to serial; X.25 including XOT, SNA/IP, TPAD and PAD; protocol switch; Modbus bridging for connecting diverse field assets
GeneSys GeneSys Sensors Help Auto Makers Test Performance and Prepare for the Connected Vehicle Future Vehicle makers can now precisely test and analyze automotive performance with advanced GeneSys sensor technology and the Digi... READ STORY Enlazza Enlazza Uses Digi Remote Manager to Securely Manage Fleet of Digi Routers The Enlazza Company developed an innovative service, called Host Name Solution (HNS), using Digi Remote Manager APIs. The... READ STORY Otis Elevator Otis Elevator Develops a Predictive Maintenance Solution to Improve Response Rates The Otis ONE digital platform combines cloud technology, machine learning, and IoT to provide users with live information and... READ STORY Managing IoT with Digi Remote Manager White Paper Managing IoT with Digi Remote Manager White Paper Digi IoT device management: Secure and scalable deployments with Digi Remote Manager white paper VIEW PDF Digi Router Product Feature Comparison Guide Digi Router Product Feature Comparison Guide DOWNLOAD PDF AFCEC AFCEC Cuts Costs, Increases Reliability by Converting from Landlines to Cellular for Systems Control and Monitoring at Superfund Cleanup Site AFCEC missions include facility investment planning, design and construction, operations support, real property management... READ STORY 4 Steps to 4G LTE 4 Steps to 4G LTE 2G and 3G sun setting is already underway, and 4G LTE is already here. The time to start planning your legacy device migration... WATCH VIDEO The Top 5 Considerations for Migrating to 4G, 5G and Beyond The Top 5 Considerations for Migrating to 4G, 5G and Beyond Preparing for 2G and 3G sunsets VIEW PDF Digi Network Failover Solutions Digi Network Failover Solutions Decrease risk, increase productivity. The case for cellular failover connectivity. VIEW PDF Bring Your Own Cellular Network Bring Your Own Cellular Network Digi Product Manager, Andrew Lund, explains the tradeoffs involved in using wired LAN or LTE in retail environments and the... WATCH VIDEO Purpose-built for Retail IoT Purpose-built for Retail IoT To keep your critical point-of-sale and other network devices connected and the data flowing securely, look to Digi for our commercial-grade routers and gateways. VIEW PDF Cactus Computer Innovative Dual-Carrier Solution from Cactus Computer Eliminates Dead Zones, Keeps Operations Flowing for Grand Prairie Water Leveraging the Digi TransPort® WR21 4G LTE router, Texas-based Cactus Computer has created the “Cactus 2x4GLTE,” an innovative... READ STORY PragmaTech is an innovative waste management consulting firm that offers waste management organizations, retailers, mall owners... READ STORY Energy solution provider saves over $300K/year by replacing expensive land-line circuits with LTE from Digi International READ STORY PCI-Compliant 4G LTE Networking with Digi Enterprise Routers PCI-Compliant 4G LTE Networking with Digi Enterprise Routers VIEW PDF Connectivity Solutions for Public Transit Connectivity Solutions for Public Transit More Efficient Bus Fleets for Smarter Public Transit VIEW PDF Efficient Data Transfer over Cellular Networks White Paper Efficient Data Transfer over Cellular Networks White Paper Communicating via cellular networks with remote devices VIEW PDF Cellular Communications for Commercial and Industrial Metering Cellular Communications for Commercial and Industrial Metering Flexible and secure cellular routers connect remote C&I meters with a utility’s meter data management system for accurate billing and planning VIEW PDF Cellular Communications for Distribution Automation Cellular Communications for Distribution Automation Flexible, high security cellular routers support control and automation projectsacross utility distribution systems VIEW PDF Utility Solutions Guide Utility Solutions Guide DOWNLOAD PDF Secure ATM Networking With 3G/4G LTE Secure ATM Networking With 3G/4G LTE Secure and smart 3G/4G LTE connections to off-premise atms and bill-pay terminals VIEW PDF 3G and 4G LTE Communication to Off-premise Gaming Terminals 3G and 4G LTE Communication to Off-premise Gaming Terminals Secure and reliable cellular routers connect remote gaming terminals to central data centers for fast, redundant gaming communication VIEW PDF NERC-CIP Best Practices Guide NERC-CIP Best Practices Guide DOWNLOAD PDF Meter Engineers Handbook for Cellular Communication Meter Engineers Handbook for Cellular Communication DOWNLOAD PDF Digi SureLink Digi SureLink DOWNLOAD PDF Digi TransPort WR21 Datasheet Digi TransPort WR21 Datasheet Compact, flexible, low-cost 3G/4G/LTE enterprise router for remote and mobile networking applications VIEW PDF Digi Remote Manager Datasheet Digi Remote Manager Datasheet Comprehensive IoT device management application for secure asset monitoring and control VIEW PDF Remote Cellular TCP/IP Access to GE Fanuc Ethernet and Serial Devices Remote Cellular TCP/IP Access to GE Fanuc Ethernet and Serial Devices DOWNLOAD PDF Digi Cellular Gateway Security Overview Digi Cellular Gateway Security Overview DOWNLOAD PDF WAN Failover Scenarios Using  Digi  Wireless WAN  Routers WAN Failover Scenarios Using Digi Wireless WAN Routers DOWNLOAD PDF 4G LTE and PCI-Compliance: What Every Retailer Should Know 4G LTE and PCI-Compliance: What Every Retailer Should Know VIEW PDF MicroPower MicroPower Technologies Delivers Reliable and Secure Video Surveillance For Major West Coast Utility MicroPower’s solar-powered compact, wireless SOLVEIL HD surveillance platform relies on the Digi TransPort® WR21 cellular... READ STORY Digi TransPort Connects Thousands of Point of Sale Terminals Across Switzerland Find out how LoRo used the Digi TransPort WR21 enterprise router to transition from fixed-line connections to wireless LTE... READ STORY Monster Media is a full-service media company that specializes in digital out-of-home (DOOH) advertising. The company is an... READ STORY

Support Documentation

getting started guides

user manuals

cad drawings

reference manuals

application notes

technical notes

archives


Drivers

Firmware

Utilities

Software

Recently Viewed