RM KL703 Linear Amplifier
Buy on Amazon
The RM KL703 is a compact yet capable linear amplifier covering the 25-30 MHz band, delivering up to 500 watts of output power from a 13.8V DC supply, making it well-suited for mobile and in-car HF operation. It supports all narrowband modulations, giving operators flexibility across AM, FM, SSB, and CW modes. Overall it offers a solid balance of power and portability for operators looking to boost their signal without investing in a large base station amplifier.
Key Features & Specs
| Frequency Range | 25 to 30 MHz, covering CB and upper HF narrowband segments |
|---|---|
| Max Output | 500 watts PEP maximum output power |
| Power Supply | Operates on 13.8V DC, compatible with standard vehicle and regulated bench supplies |
| Modulations | Supports all narrowband modulations including AM, FM, SSB, and CW |
| Portability | Compact form factor designed for portable and in-car installation |
| Build | Black aluminium enclosure for durability and efficient heat dissipation |
| Brand Origin | Made by RM Italy, a well-regarded European manufacturer of RF amplifiers |
Best for: Mobile operators, CB enthusiasts, and amateur radio users who need a reliable power boost in the 25-30 MHz range while operating from a vehicle or temporary portable setup.