FlexRadio PowerSDR

SmartSDR & PowerSDR Flexradio software

The Software that Launched the SDR Revolution in Ham Radio

FlexRadio Systems PowerSDR™ software provides all DSP and hardware control functions for FlexRadio Systems’ FLEX-1500, FLEX-3000* and FLEX-5000* software defined radios.  While software experimentation is encouraged, no programming experience is ever required to enjoy your software defined radio.  The complete application is provided in compiled form so that you can simply download, install and run it.  Written in a combination of ANSI C and C#, FlexRadio PowerSDR software is easy to learn and modify.  Source code is available to encourage amateur SDR research and experimentation.  The capabilities of the FlexRadio PowerSDR software are limited only by your imagination.

*FLEX-5000 manufacturing discontinued May 2013.
*FLEX-3000 manufacturing discontinued October 2014.


SmartSDR & PowerSDR Flexradio software

Paul Leicester | MØFOX | Chesterfield UK | IO93HE | Yaesu FTDX1200

FlexRadio Flex6500

FlexRadio 6500 6300 6700

FLEX-6500 for the Advanced Amateur

radio smartsdr

The FLEX-6500™ is for the advanced operator who desires extended performance across four slice receivers. Offering four panadapter and waterfall displays, the FLEX-6500 lets you see the action on up to four bands at once. Contest grade preselectors, integrated antenna tuner and optional GPSDO makes the FLEX-6500 the perfect radio for the serious DXer or contesting.

FLEX-6500 Feature Highlights

  • Maximum Slice Receivers: Four (4)
  • Maximum Panadapter Bandwidth: 14 MHz
  • Antenna Connectors: SO-239×2; BNCx1; XVTR-BNCx1
  • Wideband Frequency Coverage: 30 kHz – 72 MHz
  • Transmit Frequency Coverage: 160-6m amateur bands, 100W nominal output
  • Transverter IF Frequency Coverage*: 100 kHz – 72 MHz
  • Digital Audio Exchange (DAX) Channels: Four (4)
  • DAX IQ Channels/Bandwidth per Channel (DAXIQ): Four (4) @ 24 kHz – 192 kHz
  • Preselectors: 160 – 2m (except 60m)
  • Microphone Connectors: Unbalanced 8-pin Foster, Balanced XLR/TRS
  • Antenna Tuner Unit (ATU): Integrated
  • Full Continuous Coverage Transmit: MARS/CAP Capable

FlexRadio Signature Series

Paul Leicester | MØFOX | Chesterfield UK | IO93HE | Yaesu FTDX1200

Kenwood TS990S HF Transceiver

Kenwood TS990S HF Transceiver

The Kenwood® TS-990S featuring a dual TFT display and dual receiver covers the HF amateur bands plus 6 meters. It also features narrow-band roofing filters on the main receiver in a full down-conversion configuration. The TS-990S achieves the highest basic reception performance of any radio in the TS series, through the careful selection of circuits, components and accelerating analysis using triple DSP configuration. RF power is adjustable from 2 to 200 watts. This radio features a built-in automatic antenna tuner and built in AC power supply. It has a serial port, USB ports and Ethernet port.

TS-990S_front TS990S_rear_GER


Kenwood TS990S HF Transceiver

Paul Leicester | MØFOX | Chesterfield UK | IO93HE | Yaesu FTDX1200