Digi TransPort® WR21

Compact Enterprise Class Cellular Router

Compact, flexible, low-cost enterprise 2.5G/3G/4G cellular

router for remote and mobile networking applications.

Overview Application Highlight

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
Electrical Utility
Area Network connectivity including 2.5G/3G/4G networks Substation Headquarters
and beyond. Optional Gobi™ module provides true
HSPA+/EV-DO carrier diversity in a single solution.
Flexible power and connectivity options, along with extended Cellular
temperature ranges make Digi TransPort WR21 a versatile Digi
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product for both commercial and industrial environments.
Digi TransPort WR21 is available in both standard routing and
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enterprise configurations. The standard version offers basic
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routing, NAT and security, while the enterprise version adds Ethernet
Primary
advanced routing, security/VPN and stateful firewall. Advanced SCADA
Application
Router Connection Remote Cellular
features allow the Digi TransPort WR21 to be used as a Backup Application
component of a PCI compliant network.
Digi management solutions provide easy setup, configuration
and maintenance of large installations of remote Digi TransPort
devices. Device Cloud by Etherios™ offers web-based device Features/Benefits
management for remote Digi cellular routers and gateways.
Also available is the windows based Digi Remote Manager™ • Compact, low-cost, flexible cellular routing platform
for customer installed device management and reporting. with standard and enterprise feature sets
• Standard option includes basic routing and IP
filtering; Enterprise option includes advanced routing
protocols, VPN and stateful firewall
Related Products • High-performance architecture, flexible power and
extended operating temperature
• 2.5G/3G/4G cellular interface including: including LTE,
GSM:EDGE, HSPA, HSPA+ and CDMA: 1xRTT, EV-DO
• RS-232 serial and 10/100 Ethernet or RS-232/422/485
serial and 2-port Ethernet switch
VPN Concentrators Digi Remote Accessories
Management • Digi remote management software solutions,
including the Device Cloud by Etherios, provide
easy setup, configuration and maintenance of
large installations

www.digi.com
Specifications Digi TransPort® WR21

Wireless Interfaces

WWAN**
800/850/900/1800/1900/2100/2600MHz; 3G fall back to 850/900/1900/2100MHz and 2G fall back to 850/900/1800/1900MHz;
LTE - EMEA (L1)
Transfer Rate (max): 50 Mbps Up, 100 Mbps Down
Multi-Carrier (Verizon, AT&T, and Sprint) 700/850/1700(AWS)/1900 MHz; 2G/3G GSM fall back to 850/900/1700AWS/1800/1900/2100MHz;
LTE - North America (L5)
2G/3G CDMA fall back to 800/1900MHz; Transfer Rate (max): 50 Mbps Up, 100 Mbps Down
LTE – North America (L6) 700/850/1700(AWS)/1900MHz; 2G/3G fall back to 850/1900MHz; Transfer Rate (max): 50 Mbps Up, 100 Mbps Down (Coming Summer 2014)
LTE – Verizon (L8) 700/1700(AWS)MHz; No 2G/3G fall back; Transfer Rate (max): 50 Mbps Up, 100 Mbps Down (Coming Summer 2014)
LTE – Verizon (L9) 700/1700(AWS)MHz; 3G fall back to 850/1900MHz; Transfer Rate (max): 50 Mbps Up, 100 Mbps Down (Coming Summer 2014)
HSPA+ (U9) 850/900/1700 (AWS)/1900/2100MHz; Transfer Rate (max): 5.76 Mbps Up, 21 Mbps Down
Edge (E1) GPRS/EDGE Class 10; 850/900/1800/1900 MHz; Transfer rate (max): 236 Kbps up/down
CDMA EV-DO (Dx) 450 MHz; EV-DO Rev B; R-UIM support; Transfer rate (max): 14.7 Mbps Up; 5.4 Mbps Down
CDMA 1xRTT (Bx) 800/1900 MHz; Transfer rate (max): 153Kbps up/down
GSM-R (R5) 900/1800/1900MHz (TRM-5); GPRS Class 10; Transfer rate (max): 42.8 Kbps Up, 85.6 Kbps Down42.8 Kbps Up, 85.6 Kbps Down
Connectors Ux, Lx variants: 2 x 50 Ω SMA (Center pin: female); E1, Dx, Bx variants: 1 x 50 Ω SMA (Center pin: female)
SIM Slots 2
SIM Security Optional SIM slot cover plate
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
Standard Option of RS-232 or RS-232/422/485
Async/Sync Async
DTE/DCE DCE
Signal Support TXD, RXD, RTS, CTS, DTR, DCD, DSR, RI
Flow Control Software (XON/XOFF), Hardware supported
COM Port Redirector RealPort®
Connector DB-9
Ethernet
Ports Option of 1 or 2
Standard IEEE 802.3
Physical Layer 10/100 Base-T
Data Rate 10/100 Mbit/s
Mode Full or Half duplex
Interface Auto MDI/MDIX
Connector RJ-45
USB
Ports 1
Standard USB 2.0
Signaling High-speed
Connector Type A
Other
I/O and DSL N/A
Software/Management
Remote Management Device Cloud by Etherios (cloud based); Digi Remote Manager (user installed/managed); 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
Software Packages Option of Standard or Enterprise. See next page for details.
Memory 128 MB NAND Flash/128 MB DDR2 SDRAM

** Transfer rates are theoretical and network operator dependent

Specifications Digi TransPort® WR21

Power
Input 9-30 VDC
Consumption 6W max, 4W typical
Connector Depending on model: Locking barrel or screw-down removeable terminal block
DC Power Cord* Locking barrel to bare wire
DC Power Supply* 100-240 VAC 50/60 Hz; Option of standard temperature or extended temperature
Battery Backup None
Physical
Dimensions (L x W x H) 3.9 in x 5.2 in x 1.3 in (100 mm x 131 mm x 32 mm)
Weight 1.08 lb (0.49 kg)
Status LEDs Power, Service, WWAN, 3x Signal strength
Enclosure Material/Rating Industrial (Metal)/ IP50
Mounting Brackets for wall mount & DIN rail sold separately
Environmental
Operating Temperature *** -35° C to +75° C
Storage Temperature -40° C to +85° C
Relative Humidity 0% to 95% (non-condensing) @ 25° C
Ethernet Isolation 1.5 kV RMS
Serial Port Protection (ESD) 15 kV
Hazardous (Class 1 Div 2) Optional
Conformal Coating N/A
Approvals
GSM/UMTS PTCRB, NAPRD.03, GCF-CC, R&TTE, EN 301 511
CDMA/EV-DO CDG TIA/EIA-690, CDG TIA/EIA-98-E
Cellular Carriers Certified by most major carriers. See www.digi.com for a full list.
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 5 years

Software Enterprise Standard

Packages
HTTP, HTTPS, FTP, SFTP, SSL, SMTP, SNMP (v1/v2c/v3), SSH, Telnet and CLI
Same as Standard plus Device Cloud; Dynamic DNS client compatible for web management; remote management via software tool (option);
Protocols
with BIND9/No-IP/DynDNS SMS management, protocol analyzer, ability to capture PCAP for use with
Wireshark; DynDNS

Stateful inspection firewall with scripting, address and port translation; VPN:
IPSec with IKEv1, IKEv2, NAT Traversal; SSL, SSLv2, SSLv3, FIPS 197, Open
VPN client and server; PPTP, L2TP; VPN Tunnels included: WR11/WR21/WR41/
WR44/WR44 R/WR44 RR: 5, WR44-DSL: 20; Maximum VPN Tunnels available:
Security/VPN WR11/WR21: 5, WR41: 50, WR44/WR44 R/WR44 RR: 200; Cryptology: IP filtering
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

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); IPv6 (firmware upgradable); RSTP (Rapid IP pass-through
Routing/Failover
Spanning Tree Protocol); IP Failover: VRRP, VRRP+TM; Automatic failover/ NAT, NAPT with IP Port Forwarding
failback to second GSM network/Standby APN; Verizon NEMO/DMNR for Primary
Wireless Access

DHCP; Dynamic DNS client compatible with BIND9/No-IP/DynDNS;

Other Protocols DHCP; Dynamic DNS client compatible with BIND9/No-IP/DynDNS
QoS via TOS/DSCP/WRED
RealPort®; Modbus UDP/TCP to serial; X.25 including XOT, SNA/IP, TPAD and
Specialty/Legacy Protocols RealPort®
PAD; Protocol switch*

* Optional hardware
*** Reduced cellular performance may occur above +60° C. Standard temperature power supplies may reduce temperature range.

 Device Management Features
• View of all remote devices and their connection status • Device statistic and report generation
• Automatic registration of newly connected devices • Alarm generation and alerting
• Remote device configuration • Secure access to all devices from web browser, anywhere
• Actions include device grouping and scheduling of operations • Remote reboot of device and default reset
• Monitoring of user specified events • Remote device management with Device Cloud

Easy Remote Configuration and Management

Customer Application Customer Application
Servers

Digi TransPort® WR
Digi Gateway
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Cellular Link

Link

Ethernet Serial

Remote Remote
Device Device

Product Images

Digi TransPort WR21

Visit www.digi.com for part numbers.

91001738
DIGI SERVICE AND SUPPORT - You can purchase with confidence knowing that Digi is here to support you B8/814
with expert technical support and a strong five-year warranty. www.digi.com/support

Digi International Digi International Digi International Digi International Digi International Digi International
Worldwide HQ BUY ONLINE • www.digi.com
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© 2011-2014 Digi International Inc.

All rights reserved. Digi, Digi International, Etherios, the Digi logo, Digi TransPort, RealPort, Digi Remote Manager and Device Cloud by Etherios,
are trademarks or registered trademarks of Digi International Inc. in the United States and other countries worldwide. All other trademarks are the
property of their respective owners. All information provided is subject to change without notice.