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Last modified 2023-03-26

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FlexRadio Systems Flex-6400

A picture of FlexRadio Systems Flex-6400

SPECIFICATIONS

GENERAL
Type:Amateur HF/VHF SDR transceiver
Frequency range: TX: 10-160 m + WARC / 6 m
RX: 0.03-54 MHz
Tuning steps:Down to 1 Hz
Frequency stability:±? ppm
Mode:AM / Sync-AM / FM / SSB / CW / RTTY (DV option)
Channels / memory management: Depending on software
Repeater shift / offset:Depending on software
Power supply:13.8 VDC ±15% (Anderson Powerpole connectors)
Current drain / power consumption:RX: Max 1.7 A
TX: Max 23 A
Antenna impedance / connector:50 ohm / Two SO-239. One BNC (RX only). One BNC (Transverter)
Dimensions (W*H*D):350*171*337 mm (14*6.74*13.25")
Weight:? Kg (? lb)
Other features: Two USB2 ports. Two independent receivers. Two 7 MHz panafall displays.
LAN port. Full duplex operation. Full QSK. Integrated remote operation.




RECEIVER SECTION
Receiver system: Direct digital sampling
ADC sampling rate: 122.88 Msps
ADC resolution: 16 bit
Sensitivity:
Selectivity:
Image rejection:
AF output power / speaker:No built-in amplifier or speaker
External speaker connector:No




TRANSMITTER SECTION
RF output power: 1-100 W (AM: 1-25 W)
Modulation system:Digital low power at carrier frequency
Max FM deviation (Factory set):FM: ±5 KHz
NFM: ±2.5 KHz
Spurious emissions:Better than -? dB
Microphone impedance / connector:600 ohm (Nominal) / ?-pin (3.5 mm)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:2017-202x
Additional info:
Related documents:
Modifications and fixes:
Reviews:
Options / Accessories:
?
?
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Antenna tuner, 10-80 m: 8.3-300 ohms
Antenna tuner, 10-160 m: 16.7-150 ohms
GPS disciplined oscillator
MARS/CAP coverage filter bank
ThumbDV module for D-Star mode
A rear picture of FlexRadio Systems Flex-6400