Skywire 4G LTE CAT 1 Embedded Modem for AT&T – Sierra Wireless

The patented Skywire® 4G LTE CAT 1 modem is end-device certified with PTCRB, FCC, IC and AT&T carrier certified which enables fast and cost-effective development. And, like all Skywire’s, this modem is deigned to be easy to integrate and accelerate time to market. All Skywire modems are available with data plans from Major North American carriers as well.

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  • For AT&T, T-mobile and other PTCRB approved networks
  • Carrier certifications complete, no additional work required
  • Removable SIM card slot
  • Antenna independent certification increases selection flexibility
  • Connectivity via USB or UART
  • Supports a wide range of I/O voltages for design flexibility
  • Skywire standard interface
  • Firmware-Over-The-Air(FOTA) management through Sierra Wireless AirVantage
  • Extra wide input voltage range (3V-5.5V)
  • TLS stack included
  • Lower cost than LTE CAT 3-4 modems
  • Throughput: 10Mbps Download/5Mbps Upload
  • Average Power: 135 mA
  • Peak: 335 mA
  • Idle: 35 mA
  • Sleep Mode: 18 mA
  • Input Voltage: 3V-5.5V
  • I/O Voltage: 1.65V-5.5V
  • Temperature Range: -40º to 85ºC
  • Dimensions: 29mm x 33mm x 10.5mm
  • RoHS compliant

Deployable Region

North America


AT&T, Bell, Rogers, Telus, T-Mobile


LTE B2 [1900], B4 [1700], B12 [700]


Skywire cellular modems are the fastest way to get cellular connectivity.

Development Kits

Simplify cellular modem connectivity and prototyping.

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Cellular Data Plans

NimbeLink’s data plans utilize most reliable cellular networks.

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Comprehensive Support Services

As a NimbeLink customer, you have access to cellular specialists.

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Irrometer Case Study

See How Our Customers Use Skywire

Irrometer’s soil moisture data collection product manages irrigation systems. Because Irrometer’s solution is deployed in farm fields and runs on solar power, energy efficiency was critical. They needed both a new modem and a partner that could help develop entirely new code. NimbeLink’s Skywire modem was the answer…

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Skywire® modem, Sierra Wireless, LTE CAT1, AT&T, T-Mobile, North America

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SIM card, Tri-cut, 2/3/4FF, AT&T, 4G LTE, Commercial Temp range

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Need Help Choosing?

If you need help selecting a Skywire, or if you have any other questions, please do not hesitate to contact us.