For outdoor military uses, VHF radios with SHA-256 encryption capabilities are needed.

• What: Motorola MOTOTRBO R7
  • Full key pad version is great but it's significantly more expensive. If you have the option, it's better to buy more of the no keypad versions at a lower price.
  • In order to activate the AES-256 encryption feature a license needs to be purchased and applied. Don't purchase this license. That can be done in Ukraine so don't worry about it, it only matters that it's capable of encryption.
• Where: Find a local Motorola radio dealer.
• Price: $1,250 (no keypad), $1,450 (full keypad)

• What: Motorola MOTOTRBO DP4400/DP4401/DP4400e
  • In order to activate the AES-256 encryption feature a license needs to be purchased and applied. Don't purchase this license. That can be done in Ukraine so don't worry about it, it only matters that it's capable of encryption.
• Where: eBay
  • These are discontinued, replaced by the R7 series, so they must be found second hand.
• Price: $450