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Hand Assembled and functionally Tested

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Control Aircraft Preheaters & Other Remote Electrical Equipment By Phone!

 



 


AirVoice Account Balances not Available on WebSite

 

Cell Account balances are currently not shown on the AirVoice website.  The balance item is shown but no amount is displayed. We have been in contact with AirVoice management and have been told they working to correct this omission.  In the meantime you can obtain your current balance by calling or texting FST LLC at the number listed below:  We will respond to your request as quickly as possible.

 

262-412-7580

 

 


VETERAN OWNED, products manufactured in USA

 

 

 



Thanks to Our Customers

 

We would like to express our appreciation to the many customers who chose to have their

Original 2G units converted to 4G Operation.  The vast majority of you stuck with us and

converted to 4G.  You should enjoy long service from the conversion.  Again, thank you for

your expression of continued confidence in our Products and Service.

 

Carl Bumpurs, Owner

262-412-7580  or carl.fstllc@att.net

 


NEW!  Worry-Free Cell Service for REGAL preheater switch Owners

“FST Cell Management Service (CMS)”

FST LLC now offers “FST Cell Management Service” for new and existing customers.  Under this subscription service, FST keeps your cell account active for 360 days, with a positive credit balance,  so your FST Remote Switch is always ready to use.  An annual subscription fee of $80.00 (Initially $70.00 when purchased with any NEW FST Remote Switch) provides uninterrupted cell service at less cost than one year of service from the cell carrier.  You enjoy worry-free service without any dates to remember or online purchases to make.  FST will advise you prior to subscription termination so you can renew or resume self management of your account.  Click on the “Products and Services” tab above to review the features and no-risk guarantee for FST Cell Management Service.  All Cell Service for FST products is provided on the ATT network.

 VETERAN OWNED, products manufactured in USA