Following the war of Everon the island was inundated with surplus military equipment. Seeing an opetunity to make some money back the government started selling items such as radios to the people of the island for those who wants to communicate with each other.
General information
The AN/PRC - 68 radio can be bought from general stores in each main town market costing around $2000.
Each radio has a platoon frequency 48hz meaning anyone with a radio that is not encrypted will be able to hear you broadcast regardless of what frequency they are on. (it is advised not to have conversations on this frequency)