Hybrid LTE Cat. M1/NB1/EC-GSM + Sigfox LPWA mode Solution for IoT.
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GCT’s highly integrated single chip GDM7243i supports LTE Category M1/NB1/EC-GSM and Sigfox wireless IoT connectivity – making it a “hybrid” solution offering superior connectivity options for IoT applications with zero BOM cost increase.  

Several OEM customers are designing solutions using GCT’s GDM7243i SoC to develop various IoT devices for applications such as tracking, wearables, security, agriculture, healthcare, industrial, and consumer applications. The hybrid (Cellular + Sigfox) mode operation enables several innovative use cases that will transform both the traditional cellular as well as the fledgling IoT markets. GDM7243i enables ultra-long battery life tracking devices to connect using the Sigfox wireless IoT network for several years without the need for frequent battery re-charging.  

 GDM7243i-based tracking devices operate on the Sigfox network for location tracking but switch to the cellular network for live asset recovery in case of a geo fence breach. Hybrid devices can connect to the Sigfox wireless IoT network and operate in low-power mode to send and receive notifications-only. The Sigfox network can also provide backup connectivity to hybrid devices in case of cellular network coverage limitations, congestion, breakdown, or jamming of security/alarm systems. Hybrid devices enhance device security by providing the ability to globally locate and deactivate stolen phones, and provide emergency alert and beacon capabilities.   

GDM7243i is the latest SoC addition to GCT’s 4G LTE product portfolio and is part of GCT’s commitment to support customers focused on IoT applications. 

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Downloadable resources
  • GDM7243I v23.pdf

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Commercially available
Warranty duration

1 month(s)


CFR – Cost and Freight


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