RM KL203P HF Linear Amplifier front panel – Radioworld UK
RM KL203P HF Linear Amplifier front panel – Radioworld UK
RM KL203P 100W mobile CB amplifier with preamp – Radioworld UK
RM KL203P compact HF amplifier for 20–30 MHz – Radioworld UK
RM KL203P with mode selector and ON/OFF switch – Radioworld UK
RM KL203P mobile HF amplifier rear – Radioworld UK
RM KL203P boxed unit with accessories – Radioworld UK
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RM KL203P HF Linear Amplifier front panel – Radioworld UK
RM KL203P 100W mobile CB amplifier with preamp – Radioworld UK
RM KL203P compact HF amplifier for 20–30 MHz – Radioworld UK
RM KL203P with mode selector and ON/OFF switch – Radioworld UK
RM KL203P mobile HF amplifier rear – Radioworld UK
RM KL203P boxed unit with accessories – Radioworld UK

RM Amplifiers – Italian Linear Amplifiers for CB & Ham Radio

RM KL203P HF Linear Amplifier 100W – 20–30 MHz with Preamp | Radioworld UK

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£74.95
(£62.46 exc. VAT)
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Product code: KL203P
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Item CostFinance OptionDepositMonthly PaymentsTotal Cost
£74.95
12 Months 14.9% APR
£7.50
£6.46
£85.00
£74.95
18 Months 14.9% APR
£7.50
£4.31
£85.00
£74.95
24 Months 14.9% APR
£7.50
£3.23
£85.00
£74.95
36 Months 14.9% APR
£7.50
£2.15
£85.00
£74.95
48 Months 14.9% APR
£7.50
£1.61
£85.00
£74.95
12 Months 19.5% APR
£7.50
£6.72
£88.11
£74.95
18 Months 19.5% APR
£7.50
£4.48
£88.11
£74.95
24 Months 19.5% APR
£7.50
£3.36
£88.11
£74.95
36 Months 19.5% APR
£7.50
£2.24
£88.11
£74.95
48 Months 19.5% APR
£7.50
£1.68
£88.11

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RM KL203P HF Linear Amplifier front panel – Radioworld UK

RM KL203P HF Linear Amplifier 100W – 20–30 MHz with Preamp | Radioworld UK


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 RM KL203P HF Linear Amplifier – 100W Output, 20–30 MHz with Preamp

The RM KL203P is a compact, high-performance HF linear amplifier designed to enhance the transmission power of mobile CB and amateur radio transceivers. Operating across the 20–30 MHz frequency range, it supports all major modes including AM, FM, SSB, and CW, making it a versatile choice for serious operators.

Despite its small footprint, the KL203P delivers up to 100W output on AM/FM and up to 200W PEP on SSB, significantly boosting signal strength for long-distance communication. It features a built-in 26dB antenna preamplifier, automatic TX/RX switching, and a mode selector switch, all housed in a rugged, lightweight chassis.

Reverse polarity protection and a 12A fuse ensure safe operation, while its low current draw makes it ideal for mobile setups powered by 12–14V DC systems.


Key Features

  • Frequency Range: 20–30 MHz

  • Modes: AM, FM, SSB, CW

  • Input Power:

    • AM/FM: 0.5–10W

    • SSB: 2–20W

  • Output Power:

    • AM/FM: Up to 100W

    • SSB: Up to 200W PEP

  • Voltage Supply: 12–14V DC

  • Current Consumption: 10A

  • Fuse: 12A

  • Size: 109 × 125 × 35 mm

  • Weight: 325g

  • Features:

    • Built-in 26dB antenna preamp

    • Automatic TX/RX switching

    • Mode selector and ON/OFF switch

    • Reverse polarity protection


Whether you're operating from a vehicle or a compact base station, the RM KL203P delivers reliable amplification and signal clarity in a portable, user-friendly design. Available now at Radioworld UK.

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