 The Globalstar Simplex Modem or Simplex Transmitter Unit (STU) is designed to deliver reliable digital data communications for remote sensing and monitoring applications. The STU is a low cost, simplex device that allows packet-switched data to be sent automatically (on a time or event driven basis) from remote locations where alternative communications systems are unavailable or prohibitively expensive. The unit can monitor a wide range of assets including liquid petroleum gas (LPG) tanks, water tanks, pipelines, electricity meters and sea or land containers.
Globalstar Certified Simplex Products
Axonn AxTracker - The AXTracker is a battery-operated, self-contained telemetry device designed to communicate via the Globalstar satellite network, capable of providing cost-efficient and reliable asset tracking and fleet management in remote regions.
Guardian Mobiliy GMC - The Guardian Sentinel™ and Sentinel GPS™ are remote asset- and people-locating and monitoring communication solutions that work using a one-way satellite-based transmitter for data relay. Information from Sentinel units is transmitted via the Globalstar low-earth orbit satellite network, using an uplink-only connection. The data is received by Guardian Mobility's BackOffice system, processed and forwarded to you by cell phone, email, server or fax.
Globalstar Quick Locate Service - In response to the growing need of our customers to track and monitor valuable assets, Globalstar is pleased to offer a basic simplex data service package. Globalstar is launching the Quick Locate Service with two available simplex devices. These units are programmed with the ability to send 6 GPS location reports per day. In addition, the devices have one digital port/input which can be used to provide customers with additional monitoring and event-driven capabilities as required. The reports will then be available for customers to access via the Quick Locate Service on the Globalstar website.
Advantages
- Increase reliability through multiple transmissions
- Location service with optional GPS functionality
- Quick and easy installation into your OEM devices via standard AT commands
- Programmable time of transmission or event
- Low power consumption
- Low cost
A typical OEM solution consists of:
- Simplex transmitter unit (STU)
- Application specific sensor(s)
- Standard interface controller board
- Batteries or AC Power
- Real time clock
- Optional GPS functionality
- Patch antenna
Not all products and services are available in all regions. Specifications and features may change without notice. Neither Globalstar LLC nor any of its subsidiaries or affiliates (collectively, "Globalstar") warrants the accuracy, completeness, or usefulness of any information, products, services or processes listed above. Neither does Globalstar guarantee the products or services or assume any liability for loss or damage resulting from the use or misuse of the products, services or processes. Globalstar is providing information about, and links to, these third-party sites solely for the convenience of its customers.
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