Subject: IMPORTANT: DZP_04 & DZP_07 Service Letter: Modem Data Connectivity Issue

 DZMx & DZMx PLUS Service Letter


Modem Data Connectivity Issue

An issue with cellular data connectivity has been identified with the DZP_04 and DZP_07 installed with the DZP_04 Product

Revision 4.0 cellular modem or a 450MHz cellular modem.


Customers with either a Product Revision 4.0 cellular modem or a 450MHz cellular modem should not upgrade their DZP_04 or

DZP_07 to any of the listed firmware versions listed in the Service Letter. This issue will be fixed in the upcoming release v4.14.0.


To view the Service Letter click here

Customers who are affected by this issue
may wish to contact Flightcell Support