Dual Modem series

Models: NXS-9750-4G

Number of modems: 2
Sending speed: 60SMS/min
Connectors: Ethernet, 2x Antenna, 4 x Digital input, 4x Digital output, Temp. sensors
Modem failover: Yes

What do you gain thanks to dual modem devices?

All SMSEagle devices offer secure, on-premises SMS messaging with complete data control and compliance. However, the dual modem model provides some additional benefits of its own, compared to single modem devices.

Higher reliability

The dual modem setup offers modem failover, which means if one cellular network becomes unavailable, the device automatically switches to the other modem. This ensures uninterrupted SMS messaging.

Increased sending speed

With two modems, you can send and receive SMS at a maximum rate of 60 SMS per minute, making it ideal for environments with a moderate number of messages.

Device Failover Cluster

The device can be connected in a failover cluster, providing the highest levels of reliability and availability for your communication needs.

Check out device unboxing video

What’s inside?

A detailed look at the SMSEagle NXS hardware
Key features and technical specifications
Setup essentials and included accessories

What SMSEagle dual modem device is made for?

The SMSEagle dual modem device is designed for organizations that need reliable, high-throughput SMS communication. It’s ideal for environments where message delivery must continue even if one cellular network fails, thanks to its modem failover capability. With the ability to send and receive up to 60 SMS per minute, the dual modem device is well-suited for industries like IT, manufacturing, emergency services, and any business that requires secure, on-premises messaging for critical alerts, mass notifications, or multi-department communication

Critical alerts & notifications

Industries like Information Technology, Government, and Building Automation depend on dual modem devices for urgent system alerts and safety notifications. The modem failover feature ensures messages are delivered even if one network becomes unavailable.

High volume, fast sendout

Enterprises with a high Client or employees base benefit from higher throughput, which allows them to send mass notifications or alerts quickly. The Belcorp case study illustrates how high-volume communication improves customer engagement in the beauty industry, while the AVADAR project demonstrates large-scale health messaging.

Uninterrupted communications

Emergency services, public safety agencies, and IT providers use dual modem devices to maintain uninterrupted communications, reducing the chance of message delivery failures during network outages. SMSEagle’s global reach and certification support reliability in critical environments.

Full list of SMSEagle’s software features

Sending & Receiving SMS (managing messages with Inbox, Outbox, Sent Items)
Sending & Receiving MMS messages
Sending to single users or groups of users
Sending SMS at specified date and time (SMS scheduling)
Limit sending to specified hours (for example between 08:00-18:00)
Smartphone-like conversation mode (messages are nicely grouped by phone number). You can easily track history of what you send and receive to each user
Support of different message types (normal SMS/multipart SMS/flash SMS//MMS/binary SMS/USSD-code/WAP Push link)
Message templates
Phonebook (single users, groups)
Import of contacts from CSV file
Monitoring services (eg Web server, Mail server), SMS alerting and SNMP Traps
Auto-reply to incoming SMS
Email to SMS forwarding
SMS to Email forwarding
Subscriptions – allows newsletter-style subscriptions via SMS
Voice Calls (wake-up calls and text-to-speech calls) – available with VOICE add-on
Periodic SMS to send SMS messages at a desired time interval
Shift management to assign Phonebook contacts to working shifts
Forward incoming SMS to remote script (callback URL)
Blacklist feature to exclude numbers
Outlook Plugin to send SMS directly from the app
Digital input and output controlled via SMS
MQTT messaging protocol for IoT
Signal (beta) secure messaging app
SMPP protocol
Multi-Factor Authentication (MFA)
Message Escalation feature
LDAP support
Backup to FTP
Periodic folders cleanup
Automatic backup to FTP
Temperature & humidity SMS alerts
Multiuser support (each user has access to a private Inbox, Outbox, Sent Items)
Unicode support (support of national characters)
Multipart SMS message support
API for sending SMS from external applications & systems
Multilanguage (English, French, German, Polish, Spanish) web-interface
NTP client installed
SNMP agent installed
Built-in Apache2 web server
Built-in PostgreSQL database server
Built-in Postfix email server
Modern responsive interface
HTTPS support
Support for delivery reports
Watchdog mechanisms for 4G modem (automatic modem health control)
Failover support (HA cluster of 2 devices possible)
Support of external temperature sensors
Modem-Failover mechanism (automatic switching of modems after detection of a problem with a modem)

Select your device model for full hardware specifications.

Model NXS-9750-4G

CPU	ARM A72 1.5GHz (quad core)
Internal Storage	16GB eMMC storage
RAM	2GB LPDDR4
Wavebands/RF Bands	4G RF Bands: • LTE-FDD: B1, B2, B3, B4, B5, B7, B8, B12, B13, B18, B19, B20, B25, B26, B28 • LTE-TDD: B38, B39, B40, B41 • WCDMA: B1, B2, B4, B5, B6, B8, B19 • Optional GSM: B2, B3, B5, B8
Modem Type	4G
Region	Global
Num. of modems	2
Throughput (maximum)	60 SMS/min Sending/Receiving
SIM Card Standard	mini
Antenna	2x Omnidirectional 2dBi antenna with magnetic foot
Antenna Connector	SMA
Network Interface	Ethernet 10/100/1000 TX
Other Interfaces	1x HDMI, 2x USB, 4xDI, 4x DO, 1x 1 Wire
Power supply	AC/DC Adapter: Voltage ranges: 100–240 V AC, Frequency: 50–60Hz Alternative: PoE+
Casing	ABS, DIN rail installation (rack mount possible via DIN-rack adapter)
Linux Kernel	6.1x
Device Failover: (HA-cluster compatibility)	Yes
Modem Failover	Yes
Multi-Modem Strategy	Yes
Message Queuing	Yes (internal database)
Modem Fallback	4G > 3G > (optional) 2G
Certifications	CE, FCC, ISED, RoHS, UKCA, PTCRB, TDRA, RCM, GCF (for RF-module). Operator approvals: AT&T, Verizon

Download PDF

User’s Manual NXS-9750 (pdf file) – for software version 6.11

Download PDF

Technical datasheet NXS-9750-4G Rev. 4

Each SMSEagle device comes with a warranty & support service that guarantees our users quality services and peace of mind. SMSEagle clients have the flexibility to choose from various levels of service depending on their needs and usage scenario.

Included in the device price, Standard Warranty & Support service offers 2-Year hardware warranty coverage, access to support resources and software updates during the service period. Get immediate help whenever you need it.

With the SMSEagle standard 2-year warranty & support, you can trust in the reliability and durability of the SMSEagle device. We stand behind our products, we are also committed to providing you with the highest level of customer support. The Standard Warranty & Support grants you access to hardware warranty, support services, and software upgrades for your device. It allows you to stay up-to-date with new features and security releases, and get immediate help whenever you need it.

The service offers additional period of coverage with total 3- or 5-Years of hardware warranty, technical support and access to software updates within the service period.

Invest in the Extended Warranty to safeguard your smooth operation, maximize your device’s lifespan, and experience the unwavering support. With this extended warranty, you gain access to exceptional support services and software upgrades for 3 to 5 years, ensuring that your device remains optimized, secure, and equipped with the latest features.

This warranty plan is ideal for any customer who wants to minimize the time their system is not operational. The service offers 5-Year Warranty & Support plus advanced replacement service of faulty hardware within 48 business hours.

Extended Warranty Plus Service Coverage:

If the SMSEagle device fails during the Extended Warranty Plus service period, a replacement unit that is identical or equivalent will be shipped to the customer.
We cover the cost of shipping both ways during the 2-way delivery process.
2x faster support response times (SLA) for immediate resolution of incidents

The service provides access to support services as well as software upgrades for your device after warranty period. It allows you to stay up-to-date with new features and security releases, and get immediate help whenever you need it.

Gain access to our expert technical support team, ready to assist you whenever you need immediate help or guidance. Whether you require troubleshooting assistance or expert advice, our team is dedicated to ensuring that your SMSEagle device runs smoothly, allowing you to maintain uninterrupted business operations. Additionally, receive regular software upgrades that keep your device at the forefront of technological advancements, maximizing its performance and enhancing its security.

Find out more about the Warranty Terms & Service Level Agreement (SLA) in the Services page