Atcom rainbow et extension modules ( 16 keys) with 4.3 inch tft color display for rainbow

Atcom Rainbow ET Extension modules ( 16 keys) with 4.3 inch TFT color display for Rainbow 3, Rainbow 4&nbsp,&nbsp,Extension modules with TFT color display greatly increased efficiency of reception IP phonesHardware specification4.3 inch 480*272 WQVGA 16,670,000 color display,16 programmable keys,2 RJ45 ports for connection of extension modules,Working temperature : -10 &#8451,- 50 &#8451,,Working humid : 10%-95% , PackageDimension of single unit &#65288,11.2x14.3x10.8&#65289,,Weight :0.3KG,Packing size &#65288,7.5x 5.7 x 2.5&#65289,cm,Preserve temperature -40 - -70&#8451,,Preserve humid level: 10-95%, &nbsp,&nbsp,