Courier® M2M 3G GSM Intelligent Cellular Modem - USR3500
PTCRB carrier approved, GSM/GPRS/Edge/HSPA+ speeds.
Contact usNOTE: The USR3500 has been discontinued in North America.
There is no direct replacement. The Courier® M2M 4G LTE CAT 1 Cellular Gateway (USR3513) is available but features and specs do vary. It is suggested to verify requirements before purchasing replacement units.
Comprehensive secure M2M cellular solution with powerful embedded software
Introducing the USR® Courier® M2M 3G cellular Modem, one of the latest in the Courier product line known around the world for its reliability, security and performance for mission critical applications. The intelligent terminal is ready to use out of the box on GSM HSPA+ global wireless networks with GPS capabilities and added powerful embedded software for easier programming, configuration, and customization. One configuration enables the option for persistent connectivity for M2M applications that require always-on bidirectional data transfers.
With an extended working temperature range and compact size this reliable device is an ideal solution for M2M applications including remote maintenance & control, Point of Sale, environmental monitoring, transportation, automation, security systems, and Out of Band management.
Carrier approved with full certifications, this device is ready for quick implementation, reducing customer costs significantly and lowering the entry barriers to a wide range of M2M solutions for an easier transition from analog to cellular.
USR3500 - North America features
Complete solution*
- Access to MVNO with no volume restrictions offering worldwide SIMs and data plans
- Simple and easy all-in-one billing for worldwide accounts
- Reduce costs with data pooling
- User-to-modem connections with static IP addressing
- Remote diagnostics for both the modem and the service
Powerful embedded software
- Simplified programming speeds implementation & reduces time to market
- Built in cellular network expertise that enables robust M2M solutions
- Lower development costs
Global approvals
- PTCRB Approved
- Safety and Regulatory Certifications - FCC, CE, IC, R&TTE
Multiple interfaces
- RS-232 (DB15) Serial
- USB 2.0†
Cellular networks and GPS
- Penta-band 800/850/900/1900/2100 MHz
- HSPA+, UMTS/HSPA, EDGE/GSM/GPRS
- HSDPA packet data bandwidth up to 14.4 Mbps
- GPS Asset Tracking Capability
Security
- Encrypted cellular connections when combined with a network operator's Tunnel prevents eavesdropping and blocks unauthorized access*
- User programmable warning banner
Courier brand
- Reliable modems you can trust
- Business class - rock solid quality you can depend on
Simple user interface
- Familiar Command Line Interface
- AT command compatible
Industrial quality and design
- Compact design ideal for branch offices with small IT closets or small off-site locations in need of remote management
- Rugged aluminum housing for use in harsh conditions
- Versatile mounting options to increase stability and security
Advanced features
- Persistent and reliable connectivity ideal for remote management solutions
- Remote configuration capability
- Unlimited programmability with powerful high level AT commands versus complex C/C++ programming or scripting
- Save time and effort with easy pre-programmed functions
- Stand-alone operation for a smaller footprint and lower power consumption
Footnotes
* MVNO services may require a subscription for qualified customers. New SIM activation may be limited on 3G networks.
† For software developers only. Device drivers are not available for user applications.
Additional resources
For manuals and documents, videos, firmware and other product information please visit the support page.
USR3500 datasheet
Comprehensive secure M2M cellular solution with powerful embedded software. Ready to use out of the box on GSM HSPA+ global wireless networks with GPS capabilities
Video library
Browse our library of videos specifically focused on products and technologies that may be more complex than the usual products offered
Support - stay connected
Keep your product running at its peak performance level. Find upgrades, drivers, manuals and other helpful support materials and information
Transitioning from analog to cellular
Many M2M customers are considering the move from analog to cellular, but may not be sure what that entails
Frequently asked questions (FAQ)
Why can’t I use any cellular modem as a drop-in dial-up modem replacement?
Most cellular networks use a different type of technology that isn't compatible with dial-up analog systems. On a high level, most cellular data networks are packet based, rely on IP addresses, and are client/server whereas dial-up systems are peer-to-peer direct connection and rely on phone numbers which normally cannot communicate without additional hardware and/or software that could complicate how a solution works.
How much can I expect to save by replacing analog modems with cellular modems or gateways?
The cost of analog phone lines is on average $50 per month per line in North America. Cellular services when pooled can provide even greater cost savings with small data packages and low data volumes. The cost savings increase as the volume goes up, whereas the dial-up monthly expenses are consistent but pricey.
Can I use the SIM from my phone for a cellular modem or gateway?
Possibly. Depending on how your SIM is provisioned, it may allow a cellular modem or gateway to originate a connection to the IP address of a TCP/IP server on the Internet. If your SIM does work, you won’t have M2M features like static IP address, data pooling, peer-to-peer routing, or host-to-device VPN.
Can I connect to the IP address reported by the USR3500?
When the cellular service is provided by a Mobile Network Operator (MNO), the IP address reported by the USR3500 AT$IP command may be public and routable. Normally this IP address provided by the MNO will be dynamic so it will change periodically, and the MNO may block access to this IP address with a firewall.
When the cellular service is provided by a Mobile Virtual Network Operator (MVNO), the IP address reported by the USR3500 AT$IP command is not public and routable. The reported IP address is used only by the MVNO to contact the cellular network. The MVNO will translate the IP address using Network Address Translation (NAT) and provide you with a different routable IP address. The USR3500 cannot report that IP address. The MVNO will control whether your IP address is private or public, and static or dynamic.