Hologram unit loses signal


#1

I was able to get mu unit to send a package successfully, however after a few hours I realized the network LED has turned off and when I run:
hologram modem signal

I get:
Signal strength: 99,99

and cannot send a package successfully.
Type: Hologram Nova US 4G LTE Cat-M1 Cellular USB Modem (R410)

Antenna : Pulse Electronics W3907XXXX LTE