The RM HLA150 Plus is a compact, high-performance HF linear amplifier delivering up to 150 watts of output power across the 1.8 to 30 MHz frequency range. Built for amateur radio enthusiasts, shortwave listeners, and emergency communication setups, it significantly enhances weak signals for reliable long-distance communication.
Whether you’re operating from a base station or mobile setup, the RM HLA150 Plus is a robust and efficient solution for boosting HF transmission quality across all narrowband modes, including SSB, CW, AM, FM, and data.
✅ Powerful 150W Output:
Enhances signal transmission across the full HF band (1.8–30 MHz)—ideal for ham radio operators needing extra punch on the air.
✅ All-Mode Support:
Compatible with SSB, CW, AM, FM, and digital modes, making it a versatile amplifier for all narrowband communications.
✅ Six Built-in Low Pass Filters:
Automatically or manually switchable filters reduce harmonic distortion and deliver clean, interference-free signals.
✅ Flexible Transceiver Integration:
Accepts 1–10W RF input power, with built-in 3dB attenuator for excellent transceiver compatibility.
✅ Dual Operating Modes:
Choose between VOX (voice-activated transmission) or PTT (Push-to-Talk) control to suit your operating preferences.
✅ LED Output Meter:
Real-time monitoring of power output for better control and peace of mind.
Frequency Range: 1.8–30 MHz (160m to 10m amateur bands)
Modulation Modes: SSB, CW, AM, FM, Data (narrowband only)
Output Power: Up to 150W
Input Power Range: 1–10W
Max Bypass Power (Amp Off): 100W
Transistors: 2 x M/A COM MRF455
Input SWR: 1.1–1.5:1
Max Output SWR Tolerance: 2.5:1
Power Supply: 13V DC ±1V
Current Draw: Max 30A
Fuses: 2 x 12.5A (internal, 5x20mm fast-blow)
Cooling: Fan-cooled chassis for extended operation
Dimensions: 191 x 66 x 290 mm
Weight: Lightweight and compact for easy integration
The RM HLA150 Plus is engineered for radio operators who demand performance, reliability, and flexibility. Its compact footprint fits easily into mobile or home setups, while its advanced filtering system ensures your signal stays clean and compliant.
Perfect for DXing, contests, or everyday HF operation, the RM HLA150 Plus is your go-to HF amplifier for high-quality transmissions on every band from 160m to 10m.