LNR Precision FX-4

4-band HF transceiver

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The LNR Precision FX-4 is a 4-band HF transceiver. It covers the frequency ranges of 7-7.3 / 14-14.35 / 9.99-10.150 / 18.068-18.168 MHz for both receive and transmit. The rig has a frequency stability of <5 Hz after 5 minute warm up at 30c (<10 Hz after 30 minute operation @ 40 °C). It features DSP receiver system with filters of 300 / 500 / 1.3 / 1.6 / 1.9 / 2.2 / 2.5 kHz. The FX-4 has a maximum RF output of 5 W and an audio output of 1 Watt with 8 ohm speaker. It includes 1 memory bank with 8 channels. The transceiver has a 128×64 pixels LCD display. Dimensions are 70 × 104 × 38 mm. The current drain is 250-270 mA in receive mode and 1200 mA in transmit mode. The weight is 360 gr.

General characteristics

HAM bands: 40m 30m (WARC) 20m 17m (WARC)
Frequency stability: <5 Hz after 5 minute warm up at 30c (<10 Hz after 30 minute operation @ 40 °C)
Tuning steps: ?
Memories: 8 channels in 1 bank(s)

Receiver

RX-range: 7-7.3 / 14-14.35 / 9.99-10.150 / 18.068-18.168 MHz
Modulations: CW SSB
Sensitivity: 0.3 µV
Selectivity: -3 dB/ 2.6 kHz -40 dB / 4.5 kHz
Filters: 300 / 500 / 1.3 / 1.6 / 1.9 / 2.2 / 2.5 kHz (DSP)
Receiver system: DSP
IF-frequencies: ?
Image rejection: ?
Audio output: 1 Watt with 8 ohm speaker

Transmitter

TX-range: 7-7.3 / 14-14.35 / 9.99-10.150 / 18.068-18.168 MHz
(40 / 30 / 20 / 17 m)
Modulations: CW SSB
RF-output: 5 W

Connections

Antenna: -
Impedance: 50Ω
Other: -

Electrical

Power requirements: ?
Current drain RX: 250-270 mA
TX: 1200 mA

Physical

Dimensions (w×h×d): 104 × 70 × 38 mm (4.09 × 2.76 × 1.50 in)
Weight: 360 gr (12.7 oz)
Form factor: Portable
Manufactured: Between 2013 and 20xx in USA

Other features

Usage: Amateur / Ham radio operators
Features + options: 128×64 pixels LCD
Accessories: -
RigReference ID: 6016
MPN: LNR-PRECISION-FX-000004

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