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+---- Thema: RM Italy KL 503 HD (/thread-343.html)
RM Italy KL 503 HD - DQB906 - 10.01.2026
Operation Frequency: 25—30 MHz (10m Amateur HF Band)
Modulation Types: SSB,CW,AM, FM, data etc (All narrowband modes)
Transistor: 8x RM 3 MOSFET + 1x RM 4 MOSFET Driver
Max I/P Current: 30A
Power Supply: 13VDC+/- 1V 40A
Input Fuse (Internal): 3x10A (5x20mm Fast)
Input RF Power: 1-35W max (All modes)
Output RF Power: 300W max
Maximum bypass power (Amplifier off): 50W max
Input VSWR: 1.1—1.5:1
Output VSWR Maximum: 2.5:1
Harmonic Output: >-50dBc 25-30MHz