Radio (transmitter / receiver)

• 75 MHZ FM most common

• Air frequencies (72 MHZ) are not legal

• Should be able to change channels (get an extra set of crystals)

• 2 control channels needed for drive â€" additional needed for an active weapon

• Complete 4 channel radio system can be purchased for about $100

• Alternative â€" Hacking a toy

  • Not legal for bots with active weapons
  • Try to look for something with swappable crystals (XMOD cars from Radio Shack)

• Sources: towerhobbies.com, robotcombat.com, banebots.com