RUP-4 "Yugoslav GRC-9"
Manofactured Ei Nis Serbia, first production cca 1964
Receiver RP2 it is transistors set, and can work as independet part, supply with two 4,5V dry battery
TUBES: TX: OA2, ECC82, 6AK6, 6AK6, 6AK6, 6AK6, QQE03/20
RX: Transistor set
TX POWER 20W
FREQUENCY: RX/TX 2MHz to 12MHz
MODULATION: AM or CW