RE: 1987 Expert Radio
the expert radios were fm and were in compliance with 1991 regs.it was a korean copy of the futaba at about half the price.you can try to match it to either a jr fm reciver or futaba,i do not know what the shift is on this,i do know kraft fm tx are compatable with airtronics and jr recievers..email radio south and they can tell you which brand is compatable.i had three of these when they came out and never had a problem did niot care for the minimolex connecter that was used on servos.good luck