---
title: Application Notes
description: In-depth technical guides covering advanced topics like security, reliability, best practices, and implementation strategies for Blues products.
source_url: https://dev.blues.io/datasheets/application-notes/
canonical_url: https://dev.blues.io/datasheets/application-notes/
markdown_url: https://dev.blues.io/datasheets/application-notes.md
---

# Application Notes

Application Notes provide in-depth technical guides covering advanced topics like security, reliability, best practices, and implementation strategies for Blues products.

### [Antenna Guide](https://dev.blues.io/datasheets/application-notes/antenna-guide.md)

[High-level overview of antenna specifications and integration best practices for all Blues Notecard and Starnote devices.](https://dev.blues.io/datasheets/application-notes/antenna-guide.md)

[View Guide](https://dev.blues.io/datasheets/application-notes/antenna-guide.md)

### [Designing for XP Variants of the Blues Notecard](https://dev.blues.io/datasheets/application-notes/designing-for-xp-variants-of-the-blues-notecard.md)

[Learn about external power supply design requirements for XP variant Notecards.](https://dev.blues.io/datasheets/application-notes/designing-for-xp-variants-of-the-blues-notecard.md)

[View Guide](https://dev.blues.io/datasheets/application-notes/designing-for-xp-variants-of-the-blues-notecard.md)

### [Low-Power Hardware Design](https://dev.blues.io/datasheets/application-notes/low-power-hardware-design.md)

[Comprehensive guide to designing low-power embedded systems with Notecard, including MCU recommendations and power optimization strategies.](https://dev.blues.io/datasheets/application-notes/low-power-hardware-design.md)

[View Guide](https://dev.blues.io/datasheets/application-notes/low-power-hardware-design.md)

### [Notecard Carrier Board Design Guide](https://dev.blues.io/datasheets/application-notes/notecard-carrier-board-design-guide.md)

[Requirements, design choices, and optional interfaces for embedding Notecard into a custom carrier board.](https://dev.blues.io/datasheets/application-notes/notecard-carrier-board-design-guide.md)

[View Guide](https://dev.blues.io/datasheets/application-notes/notecard-carrier-board-design-guide.md)

### [Starnote Carrier Board Design Guide](https://dev.blues.io/datasheets/application-notes/starnote-carrier-board-design-guide.md)

[Starnote-specific mounting, power, and satellite antenna considerations for embedding Starnote alongside its companion Notecard.](https://dev.blues.io/datasheets/application-notes/starnote-carrier-board-design-guide.md)

[View Guide](https://dev.blues.io/datasheets/application-notes/starnote-carrier-board-design-guide.md)

### [Notecarrier A Series Solar JST Input](https://dev.blues.io/datasheets/application-notes/notecarrier-a-series-solar-jst-input.md)

[Technical details about the JST input and solar charging capabilities of Notecarrier A devices.](https://dev.blues.io/datasheets/application-notes/notecarrier-a-series-solar-jst-input.md)

[View Guide](https://dev.blues.io/datasheets/application-notes/notecarrier-a-series-solar-jst-input.md)

### [Blues Security, Reliability, and Governance](https://dev.blues.io/datasheets/application-notes/blues-security-reliability-and-governance.md)

[Comprehensive overview of Blues' security and resiliency programs, covering hardware-level security, cloud infrastructure protection, and operational policies.](https://dev.blues.io/datasheets/application-notes/blues-security-reliability-and-governance.md)

[View Guide](https://dev.blues.io/datasheets/application-notes/blues-security-reliability-and-governance.md)

### [Notecard Real-Time Clock](https://dev.blues.io/datasheets/application-notes/notecard-real-time-clock.md)

[Technical details and implementation guidance for using the real-time clock (RTC) functionality on the Blues Notecard.](https://dev.blues.io/datasheets/application-notes/notecard-real-time-clock.md)

[View Guide](https://dev.blues.io/datasheets/application-notes/notecard-real-time-clock.md)