mjac Well-Known Member TNDeer Supporter Joined Jan 6, 2013 Messages 961 Reaction score 54 Location Central west coast of Florida, but hunt SE Tn. Dec 28, 2017 #1 When using a external 12v battery to power the modem, is it necessary to have internal AA batteries in the modem?
When using a external 12v battery to power the modem, is it necessary to have internal AA batteries in the modem?