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DSP today!
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Desktop VFO Built - add shipping
Spectrum M4 + Head unit - Q-Com
late 2026
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Desktop VFO Kit - add shipping
Fast Global Delivery
Spectrum DSP M4/+ Fully built and tested, coverage of all HF bands 1 - 100 MHz with RF/IF* and IQ inputs supporting connection to all radios plus standalone operation.
Combined 3D and 2D scope modes provide enhanced signal monitoring.
Powerful ARM Cortex-M7 32-bit DSP-1027 DMIPS, 2 MB ROM, 1 MB RAM, backup RAM, RTC, with 5" daylight-readable XVGA touchscreen, stylus & latest DSP firmware.
Dual USB support for connection and bridging to PCs and tablets, and to control devices such as keyboard and other radios. Boot time < 5 seconds.
Power: 6–17 VDC, 160 mA at 13.8 V - very low power draw <2W.
Scope bandwidth 96/192/384 KHz. Built-in CW, RTTY and FT8/JS8Call support via USB to Android, tablet or PC; optional FreeDV. Keyboard CW transmission with editable messages.
Compatible with IF/IQ outputs and TTL serial from Kenwood, Yaesu, Icom, Elecraft (M3+232), Xiegu, QRP Labs, Alinco, RGO One, uSDX and many more. *RF/IF receiver, Wi-Fi and transceiver upgrades available at time of order. Full details on request.
Update to a Spectrum DSP
By contacting us you'll receive information on the Q-Spectrum and accessories plus get onto the Group buy list early. You'll also get updates on the latest DSP radio technology as it appears, and a contact email address for questions and orders.
Group buy: to reduce costs the first group buy is being organised.
Buy direct: We'll advise you of delivery times & provide a link for secure purchases.
*Data protection: Your information will solely be used to send you the information you request, it will not be shared with other parties, and it will be erased on request. On-line payment providers will be provided with your information for the required transaction only.
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