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1. [Modules](https://www.t-mobile.com/business/solutions/iot/device-certification)
2. [Sierra Wireless](https://www.t-mobile.com/business/solutions/iot/device-certification?manufacturer=sierra%20wireless)
3. EM9191
Sierra Wireless
# EM9191
Certification rating: 3 out of 3 Certification rating
Device specification
Product description
## Description:
The Sierra Wireless EM9191 is a Sub-6 GHz 5G NR module delivering high-speed, low-latency connectivity for industrial and commercial deployments. Based on the Qualcomm® Snapdragon™ X55 platform, it supports 5G SA/NSA modes and LTE Cat 20 fallback for maximum network coverage.
The EM9191 is ideal for integration into gateways, routers, and embedded computing devices requiring global Sub-6 GHz operation without mmWave antenna complexity. With eSIM management, FOTA, and robust security features, it offers long-term stability and enterprise-grade performance.
5G Standalone SA/NSA
Network LTE UE category Cat 20
RedCap No
Network technology 5G
LTE Band support 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 25, 41, 46, 48, 66, 71
5G Band support n2, n25, n41, n48, n66, n71, n77
T-Mobile programs Slicing, WPS, T-Priority
Capabilities
GPS Assisted
Wi-Fi Not Supported
SMS Not Supported
Voice Not Supported
eUICC Not Supported
Satellite N/A
| Operating system | OTHER |
|----------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| TACs | 35589034 |
| Chipset brand name | Qualcomm |
| Chipset model number | SDX55 |
| Module brand name | Sierra Wireless |
| Module model number | EM9191 |
| Vendor product brief | [Specification Document](https://www.t-mobile.com/content/dam/digx/tfb/us/en/assets/iot/oemSpecSheet/Sierra_Wireless_5G_Module_EM9191/AirPrime-EM9191-Introduction.pdf) |
| DICE ID | 1255 |
## Learn more about this product
### Features
- 5G NR Sub-6 GHz SA/NSA and LTE Cat 20 fallback
- Qualcomm® Snapdragon™ X55 5G Modem-RF System
- M.2 form factor (30×52 mm) for easy integration
- Global band support for North America, EMEA, and APAC
- GNSS (GPS, GLONASS, Galileo, BeiDou) for accurate positioning
- eSIM capability, secure boot, and firmware-over-the-air updates
### Applications
- 5G routers and edge gateways
- Industrial and enterprise IoT deployments
- Smart city and transportation solutions
- Rugged computing and embedded PC integration
### Certificates
- T-Mobile Network Certified
- FCC
- PTCRB
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- ## Contact a Business Care Expert
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- [Call 1-800-375-1126](tel:)
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- ## Plans
Plans
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- ## Resources
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- ## Segments & Industries
Segments & Industries
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