[DNK76]

No, this gel is only part of the transfer,
heat from the processor to the heat sink metal
  which communicates with the aluminum housing
  and further transfers the heat to the outside icom
ICOM A2 significantly better heat dissipation
And the gel itself is where it can dissipate heat into such a small space,
I A2 with a metal heat sink, such as an image and it also has a gel
the heat sink.
Purchase got better if it works icom on all busses
K-line
K-line + MOST
DCAN (KL15 ???)
DCAN + MOST
F-SERIES ETHERNET
This is the biggest issue, as sellers try to hide,
buy ICOM A2 with a metal heat sink, it is best