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About JCI US

JCI US is a security-focused, global provider of SIM and network solutions for private 4G/5G, and MVNO based IoT and enterprise networking solutions.

Through its SIM Network Gateway Platform, JCI US provides solutions to simplify the deployment and operation of private 4G/5G networks. Starting with customized programmable SIM cards, JCI US' SIM Network Gateway Platform integrates with users' packet cores to streamline network deployment and post-deployment operational support, including user management and Over-The-Air remote file management and remote application management. 

Working together with world class carrier, hardware, and software partners, JCI US' solutions are specifically designed to exceed rigorous security standards across multiple industries. JCI US'  unique relationship and network infrastructure allow customers the ability to conveniently expand existing networks wirelessly, with the security and controls of dedicated terrestrial networks.

As an Mobile Virtual Network Operator (MVNO), JCI US provides a suite of standard, secure, IOT solutions using all major US carriers. JCI US also offer consultative and network engineering services for customized solutions appropriate for our customers' specific security and communication needs. 

Founded in 1996 to address the need secure and reliable wireless data services, JCI US has evolved into a technology leader in the communications space. JCI US is the US subsidiary of Japan Communications Inc. (JCI).  JCI is listed on the Prime Market of the Tokyo Stock Exchange (9424.T) 

Reshape the Way You Connect.

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Your Network, Your SIM   

4G/5G SIM Solutions for Private Networks







December 15th, 2023

Japan Communications Contracted with the State of Utah, USA to Facilitate Implementation of Statewide CBRS (local 4/5G) for Educational and Telehealth Network.

August 18th, 2020

JCI US and Trend Micro partner to research and develop SIM card-based mobile network security solutions 

June 25th, 2020

JCI US to deliver secure, private connectivity via its USIM programmable SIM platform using Geoverse’s Network as a Service

September 18, 2019

JCI US (Contour Networks) Celebrates the Commercial Launch of CBRS OnGo

September 10, 2019

Federated Wireless announces Initial Commercial Deployments of CBRS, Shared Spectrum Services, including Contour Networks

June 24, 2019

JCI US (Contour Networks) introduces a SIM Platform for LTE/CBRS Network Testing and Management

What We Do

JCI US engineers and delivers secure,wireless network solutions  All of JCI US' solutions, whether standard or custom, are developed with customer needs in mind. We deliver products that are innovative and meet customer requirements, including features tailored to our customer's specific industry in ways that let them know that JCI US deeply understands the unique challenges they face.

Our mission is to ensure the secure and reliable transportation of our customer's information. 


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Programmable SIM

We understand that SIM can be hard. To simplify 4G/5G deployments, we offer a fully programmable SIM solution including physical SIM and eSIM and consultative support. We make SIM easy so that you can focus on your network and your customers. 

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SIM Network Gateway Platform

Our SIM Network Gateway Platform makes deploying 4G/5G networks easy by simplifying and automating all elements of the SIM/core relationship. The SIM platform has a full suite of APIs and enables easy and understandable profile creation, SIM ordering and logistics, direct load of SIM secret to customer HSS/UDM, and subscriber management. 

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Simplifying authentication and profile needs for CBRS/LTE environments, U SIM is a programmable test SIM for CBRS networks. The application based product allows for multiple SIM profiles, is hardware agnostic, and supports LTE networks globally.

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At the heart of all our MVNO network products is Contour SecureCORE. Our multi-carrier private network that avoids the pitfalls and dangers of running across the public Internet. Sessions are routed directly to our redundant data centers from our carrier partners and travel unseen by potential cyber criminals.



CIPA compliant service that is secured at the network level, not simply at the device. SecurED can be added to a cellular-enabled device or as a mobile WiFi hotspot. Administrators have full access to a CIPA dashboard.

Because we have full control of the network, SecurED can also be used to extend an existing campus network through our cellular network. Traffic can then be routed securely to your school's existing CIPA infrastructure where you can maintain a single point of control for CIPA policies.



Contour Networks powers Healthcare Kiosks throughout the United States and Canada. Using LTE-based private networking, customers are able to securely transmit sensitive user data to their servers and update messages and advertising on their kiosks to keep content relevant.


61 Inverness Drive East,

Ste 100 Englewood, CO 80112​

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FAX: 1-303-708-9233

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