FDM-DUO is a SDR tranceiver that offers the possibility to operate stand-alone like traditional radio or attached to a Personal Computer discovering the possibilites offered by the SDR technologies.

  • RX:
  • Freqency range: 10KHz - 54MHz
  • Direct conversion receiver operating @ 122.88MHz ADC: LTC2165 16bit
  • DDC (Digital Down Converter) FPGA Xilinx Spartan.6 family down to 192Ksps
  • DDC, Filter & Demodulator ARM STM32F429 floating point microcontroller
  • Demodulation CW, LSB, USB, AM, FM
  • LSB,USB Filters selectable 1600-3100Hz Bandwitdh with 100Hz step plus 4000-5000-6000 Hz Bandwitch
  • AM Filter selectable from 2500 to 6000Hz with 500Hz step
  • CW Filters 2600Hz-1500-1000-500-300-100Hz Bw plus 4 Cw peak filters applied after 100Hz Bw to obtain an overall filter of 20Hz Bw
  • Noise Reduction 10 levels
  • Noise Blanker 10 leves
  • VFO A, VFO B, 199 MEMORIES with Frequency/ Alphanumeric label visualization, programmable by FDM-SW2 memory manager
  • Programmable BAND selections: selectable up to 20 quick recallable memories from 180 to 199

  • TX:
  • DDS AD9957 with 368.64 MHz clock
  • Microphone input ADC 48KHz @16bit selectable gain -12dB to +12dB
  • Key and Paddle input for CW operation (Iambic A e Iambic B selectable)
  • 5W min power output from 160m to 6m, 8 W typ output @14MHz
  • PTT Output connector to drive external amplifiers

Elad FDM DUO Silver

  • All programmable components (ARM RX, ARM TX, Flash for FPGA, User Interface microcontroller and USB controller) are firmware upgradable
  • CAT input USB control interface with FTDI controller
  • Antenna connectors: RTX SO-239, RX SO-239
  • Monitor output: 0dBm SMA to be used as test equipment allow the use as a Digital RF Generator
  • LCD Backlight RGB programmable, depending on function can change the colour (RX, TX , PC remote control)
  • 10MHz Reference input connector: SMA
  • Power supply: 2.1mm DC Plug 13.8VDC RX consumption 500mA typ (13.8V) TX: tbd
  • Size: Witdh 180mm (7.00") x Depth 155mm (6.10") including Knob and connectors or 130mm (5.10") only enclosure x Height 70mm (2.75")
  • Weight: 1.2Kg (2.4 lb), shipment package 2.2Kg (4.85 lb)

Elad FDM DUO Black

  • MORE:
  • Up to 9 simultaneous receivers combination ( 1 on center frequency stand alone, 4 FDM-SW2 in fist 192kHz channel and 4 in the second 192kHz channel
  • Each receiver on FDM-SW2 have a dedicated Audio Channel and a dedicated CAT to be usable from external application with Visrtual serial ports and Virtual Audio Cables
  • Selectable Band configuration from 192kHz to 6MHz DDC bandwith (192,384,768,1546,3072,6144Ksps) 2 channel 192Ksps, 2 channels 384Ksps
  • RX and TX SPLIT mode operation: VFO A for RX while VFO B used for TX (with FDM-SW2 simple click operation to change TX frequency)
  • CW skimmer integration management (DX Spot visualization & tuning capability)
  • Direct digital Modulation using USB soundcard based on CMedia chipset digitally interfaced with ARM floating point microcontroller and DDS

FDM DUO is supplied Included:

- 3 × USB A/B cable
- 1 × USB adaptor to USB Micro-B
- 2 × Audio cable stereo 3.5 mm phone plug
- 1 × Audio extension cable stereo 3.5 mm phone plug
- 1 × DC power cable with connector, other side open
- 1 × 9 pin D-Sub plug
- 1 × USB stick with FDM-SW2 Software, handbooks in english and italian (PDF)
- 1 × Hand microphone, Electret type, RJ-45 connector, Icom compatible
- 1 × Quick Start Guide


ELAD FDM DUO is available in Black and Silver model


E-mail your request, we will provide you all details to order.

All prices are inc. 21% VAT, if your delivery address is outsite the EU countries no V.A.T. applies, and no VAT applies, if you are inside the EU countries and holding a V.A.T. number.