Secure Over-the-Air (OTA)

Updates Using LTSCT SAC20 Modules

In today’s connected product landscape, security, uptime, and lifecycle cost are decisive buying criteria. Devices deployed in the field often across hundreds or thousands of locations must remain secure, compliant, and operational for many years. Secure Over-the-Air (OTA) updates are therefore a business-critical capability, not merely a technical feature

The LTSCT SAC20 Smart Module, from LTSCT, is designed to deliver secure, reliable, and scalable OTA updates, helping organizations reduce operational risk, control costs, and future-proof their connected products.

Why Secure OTA Matters to Customers?

Old Way

New Way

From a customer’s standpoint, OTA directly impacts core business outcomes:

Lower OPEX – Eliminates repeated on-site firmware updates

Improved uptime – Minimizes service disruption across deployed fleets

Security risk reduction – Enables rapid patching of vulnerabilities

Regulatory and customer compliance – Supports evolving cybersecurity requirements

Brand and customer trust – Prevents large-scale failures and security incidents

An insecure or unreliable update mechanism can result in downtime, recalls, or reputational damage each with significant financial consequences.

Business Value of Secure OTA with the SAC20

1. Reduced Field Maintenance Costs

The SAC20 enables remote firmware and software updates, removing the need for physical device access. For large-scale deployments, this translates into substantial long-term cost savings.

2. Security Embedded at the Module Level

Security is built into the SAC20 architecture rather than added later:

Authenticated firmware updates
Encrypted data transfer
Protection against unauthorized software installation

This reduces integration complexity and accelerates product deployment.

3. High Reliability with Fail-Safe Updates

The SAC20 supports robust update mechanisms such as:

Pre-installation verification
Automatic rollback to a known-good firmware version

This ensures business continuity, even in the event of network interruption or power failure during updates.

What Makes SAC20 OTA Buyer-Ready

Secure by Design

Only verified and trusted firmware images can be installed
Prevents tampering, rollback attacks, and malicious code execution

Scalable Fleet Management

Supports simultaneous updates across large device fleets
Maintains consistent software versions across regions and deployments

Flexible Software Update Support

Enables OS, firmware, kernel, and application-level updates
Suitable for Linux/Yocto or Android-based product architectures

Faster Response to Market and Security Needs

Roll out new features remotely
Address security vulnerabilities without physical recalls

Risk Mitigation and Compliance Advantages

For buyers operating in regulated, industrial, or mission-critical environments, the SAC20 helps mitigate:

Cybersecurity threats
Revenue loss due to downtime
Compliance risks linked to outdated software

Secure OTA ensures devices remain up to date, auditable, and defensible throughout their operational lifecycle.

Ideal Customer Segments

The The LTSCT SAC20 with secure OTA capability is particularly well suited for: POS, Vending Machine, Industrial Handhelds Surveillance and Smart Camera Systems.

These markets demand high availability, low maintenance overhead and long-term reliability — all enabled through secure OTA.

Conclusion: Secure OTA as a Strategic Buying Decision

For customers, secure OTA is not a technical checkbox it is a strategic investment that protects deployed assets, reduces operating costs, and enables long-term scalability. The LTSCT SAC20 Smart Module delivers a mature, secure, and dependable OTA framework, allowing organizations to confidently deploy and manage connected products over their full lifecycle.

Ready to accelerate your connectivity roadmap?

Partner with LTSCT Modules to accelerate certification, reduce cost and launch globally.

Book a technical discussion /
sample evaluation request:

Email: jrn@ltsct.com | asha.kulkarni@ltsct.com

L&T Semiconductor Technologies Limited is a wholly owned subsidiary of Larsen & Toubro Limited