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

The NL-SW-LTE-S7648 Skywire modem is end-device certified with PTCRB and AT&T which enables the fastest and most cost-effective time to market. With NimbeLink’s tried and trusted processes there is no “going back to the drawing board.”

Created by a product company for product companies, the NL-SW-LTE-S7648 includes the required carrier, FCC, and IC certifications, and is available with data plans from all major North American carriers. The product has been created using the latest 4G LTE CAT1 technologies.

The NimbeLink team and NL-SW-LTE-S7648 Skywire modem take the complexity out of designing and deploying cellular IoT solutions, and get you to market fast!

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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
  • Active Cell: 640 mA
  • Average Power: TBD
  • Sleep Mode: 1.7 mA
  • Off: 190 uA
  • 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


Other carriers supporting PTCRB certification


LTE B2, B4, B12


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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Skywire® development kit includes baseboard, antenna, power supply, SIM cards, and debug cables. (Doesn't include Skywire modem)

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SIM card, Verizon, 3FF, Industrial Temp range

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SIM card, AT&T, 3FF, Commercial Temp range

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SIM card, T-Mobile, 3FF, Commercial Temp range

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SIM card, Vodafone, 3FF, 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.