STX3

Satellite Modem OEM Module

The STX3 is a compact surface mount satellite transmitter designed for integration into custom products requiring global communications beyond cellular coverage. This affordable OEM module enables designers to build compact and efficient satellite-connected devices for remote tracking, monitoring, and data logging applications.

With low power consumption, global coverage over the Globalstar Satellite Network, and FCC modular certification, the STX3 provides a reliable foundation for innovative satellite communication solutions across diverse industries.

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Compact & Efficient

The STX3 provides opportunities to integrate satellite connectivity into products with limited size requirements. Affordable pricing, low power consumption, and compact size make the STX3 an efficient choice for diverse applications.

Global Coverage

Transmit from areas beyond cellular reach around the globe using Globalstar's LEO Satellite Network.

Low Power Consumption

Efficient operational modes minimize battery drain for extended life in remote applications.

Surface Mount Design

Compact design enables integration into custom products with minimal footprint.

Reliability Through Redundancy

Multiple transmissions ensure critical data reaches its destination reliably.

Affordable Pricing

Cost-effective OEM module providing accessible satellite connectivity for mass-market applications.

One-Way Messaging

Optimized one-way transmission over Globalstar Satellite Network when integrated into products.

Versatile Applications

The STX3 module integrates easily into a wide range of applications. Its compact size and low power consumption make it ideal for remote sensing, tracking, and monitoring solutions.

LPG Tank Monitoring

Track and monitor liquid petroleum gas tank levels and status remotely.

Water Tank Management

Monitor water tank levels, quality, and usage across distributed locations.

Pipeline Monitoring

Continuous pipeline status, pressure, and integrity monitoring from remote locations.

Farm Machinery Tracking

Asset tracking and equipment monitoring across vast agricultural areas.

Livestock Tags

Track livestock location, health, and movement across remote ranches and pastures.

Meter Reading

Remote electricity meter reading and utility monitoring without site visits.

Vehicle & Fleet Tracking

Real-time tracking of cars, trucks, and commercial vehicles across any terrain.

Marine & Shipping

Track boats, cargo containers, and maritime assets with global coverage.

Container Tracking

Monitor sea and land containers for location, condition, and theft prevention.

Key Features

Increases Reliability

Multiple transmission capability ensures messages are reliably delivered in challenging environments.

Global Coverage

Operates over Globalstar Satellite Network for worldwide connectivity without cellular infrastructure.

Low Power Consumption

Efficient operational modes minimize power draw for extended battery life.

Surface Mount Design

Surface mount package enables compact integration into custom products and applications.

Low Cost OEM Module

Affordable pricing makes satellite connectivity accessible for mass-market applications.

One-Way Messaging

Optimized one-way transmission reduces power consumption and simplifies integration.

Diverse Applications

Versatile use across tracking, monitoring, remote sensing, and data logging applications.

Multiple Certifications

FCC, ISED, Anatel, and CE certified for compliance across major markets.

Operational Modes

The STX3 offers multiple operational modes to optimize power consumption and performance for your specific application requirements.

Sleep Mode

Vcc applied but no transmissions pending and no serial activity. Minimal power draw for maximum battery life.

Active Mode

STX3 is active and responding to serial port but not transmitting. Ready to receive commands.

Standby Mode

Inactive between transmission bursts but not transmitting. Lower power consumption than Active mode.

Transmit Mode

Unit is transmitting RF packet over Globalstar Satellite Network. Higher power consumption.

Technical Specifications

Physical Dimensions

Module Size
1130 × 810 mils (28.70mm × 20.57mm)
Total Thickness
163 mils (4.13mm) with components/shields
Weight
0.14 oz (3.97g)

Operating Environment

Temperature Range
-30°C to +85°C
Environment
Wide range for extreme conditions

Certifications

Regulatory
FCC, ISED, Anatel, CE
FCC Certification
CFR Part 25 Modular Certification

Satellite & Network

Network
Globalstar LEO Satellite Network
Technology
Surface Mount OEM Module

Power Performance

  • TX Output Power: 18.75-19.75 dBm
  • Transmit Mode: 325-475 mA
  • Active Mode: 2-3 mA
  • Standby Mode: 3-55 µA
  • Sleep Mode: 3-50 µA

Test Conditions

  • TX Power: 25°C, Vcc=Vrf=3.3V
  • Transmit Current: -30°C to +85°C
  • All Others: Vcc = 3.3V
  • 50 ohm load conditions

Design Considerations

When designing with the STX3, important regulatory and integration considerations should be addressed early in development.

Regulatory Testing

Provisions for RF testing including spectral measurements and power measurements are required.

Modular Certification

STX3 includes FCC CFR Part 25 Modular Certification to simplify end-product compliance.

Network Certification

All products using STX3 require Globalstar Network Certification. Contact early in development.

Integration Guide

The STX3 OEM module is designed for easy integration into your custom products and applications.

Step 1: Design Integration

Integrate STX3 surface mount module into your PCB design with proper antenna and power considerations.

Step 2: Firmware Development

Develop firmware to communicate with STX3 via serial interface and manage operational modes.

Step 3: Testing & Validation

Test transmission performance, power consumption, and functionality in various conditions.

Step 4: Regulatory Compliance

Conduct RF testing for spectral and power measurements to meet regulatory requirements.

Step 5: Network Certification

Work with Globalstar Product Certification Team to obtain Network Certification.

Step 6: Production Launch

Launch your product to market with full compliance and certification ready for customers.

Real-World Use Cases

The STX3 is ideal for delivering remote sensing, tracking, and monitoring applications across diverse industries.

Vehicle Fleet Management

Track commercial vehicle locations, fuel consumption, and maintenance alerts across multiple regions.

Agriculture & Farming

Monitor equipment location, track livestock movements, and receive farm condition alerts.

Pipeline & Utility Monitoring

Monitor pipeline pressure, detect leaks, track meters, and send alerts for anomalies.

Maritime & Shipping

Track cargo containers, monitor vessel locations, and transmit maritime data globally.

Environmental Monitoring

Monitor water quality, tank levels, and environmental sensors from remote locations.

Asset & Container Tracking

Track valuable assets and containers across continents with tamper alerts and location updates.

Network Certification Required

All products utilizing the STX3 module require Globalstar Network Certification. We recommend contacting the Globalstar Product Certification Team as early as possible in your development cycle to ensure smooth commercialization of your product.

Comprehensive Support

Technical Support

24/7 dedicated support from our expert team. Get help with integration and troubleshooting.

Documentation

Comprehensive integration guides, schematics, and technical specifications.

Developer Resources

Sample code, application notes, and development resources available upon request.

Integration Support

Professional integration support to connect STX3 into your custom designs.

Network Certification

Support for Globalstar Network Certification of your custom STX3-based products.

Ongoing Support

Continued support and updates throughout product lifecycle and beyond.

Technical Specifications

Download Specs Sheet