A Anonymous Guest Feb 18, 2014 #2 The 1833C is a NAVnet 1 model. If you have a 10.4" RDP139 (or GD1900C), it will work with the radar from the 1833C system (RSB0071-057).
The 1833C is a NAVnet 1 model. If you have a 10.4" RDP139 (or GD1900C), it will work with the radar from the 1833C system (RSB0071-057).
