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Flex-Radio software defined
Flexradio FLEX-6300 software defined radio
Flexradio FLEX-6300 software defined radio
Flex-Radio software defined
Flexradio FLEX-6300 software defined radio
£2,499.95 (£2,083.29 exc. VAT)
Download a PDF document for Flexradio FLEX-6300 software defined radio
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Product code:FLEX-6300
Brand:Flex-Radio software defined

The FLEX-6300 is for the amateur operator who wants to experience the magic of software defined radio in the highest performance 100W transceiver family available today. The FLEX-6300 provides an entry point into multi-dimensional amateur radio operations from CW to the latest digital modes.

Providing dual panadapters and waterfall displays, as well as two full-performance slice receivers, the FLEX-6300 opens up new operating capabilities at an affordable price.

Receiver Specifications

Receiver Architecture: Direct Digital Sampling

Spectral Capture Units: One (1)

Maximum Slice Receivers: Two (2)

Maximum High Resolution Spectrum Displays: Two (2)

Maximum Panadapter Width: 7 MHz

ADC Resolution: 16-bits

ADC Sampling Rate: 122.88 Msps

Wideband Frequency Coverage: 30 kHz – 54 MHz

DAX IQ Channels / Bandwidth Per Channel: Two (2) @ 24 kHz – 96 kHz

DAX Audio Channels: Two (2)

Amateur Band Preselector Coverage: NA

Preamplifiers / Attenuators: 0 to +20 dB

Spurious and Image Rejection Ratio: 80 dB or better

External Powered Speaker Output Impedance Level: 600 Ohm Stereo Unbalanced

Transmitter Specifications

Transmitter Architecture: Direct Digital Up-conversion

TX DAC Resolution: 16-bits

TX DAC Sampling Rate: 122.88 Msps

RF Output Power: 1-100W nominal SSB, CW, FM, RTTY, Digital; 1-25W nominal AM

Amateur Band Coverage at Rated Power Output: 160m – 6m

Low Pass PA Filter Bands: 160m – 6m ham band only

Transverter IF Output Power: +0 dBm Typical; +10 dBm max

Transverter IF Frequency Coverage: 100 kHz – 54 MHz

Modulation System: Digital Low Power at Carrier Frequency

Maximum FM Deviation: 5 kHz

DAX Transmit Channel: Yes

Carrier / Unwanted Sideband Suppression: <80 dBc typ / <80 dBc typ

Harmonic Radiation 1.8 – 50 MHz Amateur Bands: <50 dBc; -70 dBc 6m

Transmit Bandwidth: Default 100-2900 Hz (Variable 50-10000 Hz)

Microphone Connector: Unbalanced 8-pin Foster

Microphone Impedance: 600 Ohms Nominal (200-10kΩ)

Antenna Tuner Specifications

Matching Range 80m – 10m: Optional, 8.3 Ohms – 300 Ohms

Matching Range 160 and 10m: Optional, 16.7 Ohms – 150 Ohms

General Specifications

USB 2.0 Ports (peripheral control): Two (2)

Master Clock Frequency: 122.88 MHz

Master Clock Phase Noise: -140 dBc@10kHz

10 MHz Reference Clock Stability: 0.5ppm TCXO

GPSDO Frequency Stability (GPS locked): NA

Emission Modes: USB, LSB, CW, RTTY**, AM, Synchronous AM, FM

Frequency Resolution: 1 Hz min.

Antenna Connectors: SO-239×2, XVTRx1

Antenna Impedance (w/o tuner): 50 Ohm Unbalanced


Power Supply Requirements: +13.8V DC nominal ±15%

Current Drain (Receive/Transmit Max): 1.7A / 23A @ 13.8V


Height: 3.875″ (7.1 cm) with feet

Width: 13″ (33 cm)

Depth: 11.75″ (29.8 cm)

Weight: Approximately 10 lbs. / 4.5 kgs

Operating Temperature: 0 to +50 degrees C; +32 to +122 degrees F


Antenna Tuning Unit (ATU); greater than 3:1 on 80-10m, up 2.5:1 on 160 and 6m

Front Handle Kit (adds 1 inch/2.5 cm to total depth

Specifications subject to change without notice.

** Requires 3rd party software.