Description
The RM Italy KL203 Linear Amplifier is a compact, high-performance RF amplifier, designed to boost your signal across CB and 10m amateur bands.
Built by RM Italy, it delivers strong output power with reliable performance in a small footprint.
⚡ Powerful Signal Boost
✔ Up to 100W output power
✔ Works across AM / FM / SSB / CW
✔ Ideal for improving transmit range
📡 Wide Frequency Coverage
✔ Operates across 20–30 MHz
✔ Suitable for CB (27 MHz) and 10m band
🔊 Built-In Receive Preamp
✔ 26 dB antenna preamplifier
✔ Improves receive sensitivity
✔ Helps pull in weaker signals
🔧 Compact & Easy to Install
- Small footprint: 109 x 125 x 35 mm
- Lightweight: 325g
- Simple inline connection
✔ Perfect for mobile or base setups
⚙️ Technical Specifications
- Frequency: 20–30 MHz
- Supply: 12–14V DC
- Input Power: 0.5–10W
- Output Power: Up to 100W
- Current Draw: ~10A
- Modes: AM / FM / SSB / CW
- Fuse: 12A
⚠️ IMPORTANT – READ BEFORE USE
UK Legal Notice
✔ Ofcom regulations allow maximum 4W output on CB radio
➡️ Use of this amplifier on CB may not be legal for transmission in the UK
Amateur Radio Use
✔ Can be used on 10m band with a valid licence
Input Power Warning
❗ DO NOT exceed 10W input
❗ Overdriving will damage the unit
➡️ Manufacturer does NOT cover this under warranty
💪 Reliable RM Italy Build Quality
✔ Proven design
✔ Durable construction
✔ Trusted brand in RF amplification
Key Features
- 100W RF amplifier
- Covers 20–30 MHz
- AM / FM / SSB / CW modes
- Built-in receive preamp
- Compact design
Why Choose the KL203?
✔ Strong performance for its size
✔ Easy to install
✔ Improves TX and RX
✔ Trusted manufacturer
Ideal For
- 10m amateur radio users
- Base station upgrades
- Mobile installs
- Users needing extra signal boost
Straight Talking
Used correctly, this gives a noticeable boost — misuse it, and it’ll cost you.





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