Recently got this heavyweight beauty
Transceiver : EF-3380XR ( on label 3380XQ where Q is "removed" and R is written instead )
Handset and Cradle : EZ-434
Portable case : EZ-395
Battery Pack : EFP-1046 ( which consists of 2 National LCR-756E ( 6v , 8Ah ) lead-acid batteries )
Pinout on power connector ( XLR31 plug ) : 1- GND , 2- Charger , 3- External DC .
This one is made in ~ 1986 ( by markings on boards and elements )
Unfortunately , missing a lcd display module ...
Komisarrex , maybe you can put some pictures of display module?