Hello,
You can use below classes i guess
cmdb_ci_comm
Communication devices information. A choice list containing devices such as cellphone, phone, conference phone, and Wi-Fi etc.
cmdb_ci_network_gear (If they connect to a network):
Use this if the walkie-talkies have network communication capabilities, such as modern digital radios.
For more details just check the below link and do cntrl+F and type "communication"
it will give you list of classes present for communication , you can read the description and identify which suits your need the closest
LINK
I hope this helps.
