LimeSDR Mini

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Jan 05, 2018

A Pocket Digital TV Transmitter with Raspberry Pi Zero and LimeSDR Mini

Back in June 2016, Alexandru Csete put together a very cool demo in which he used a LimeSDR board together with gr-dtv, to create an HD digital TV transmitter. In this latest demo, Evariste Okcestbon has paired a LimeSDR Mini with a Raspberry Pi Zero plus Raspberry Pi Camera, to create what may well be the smallest DVB transmitter ever made; in any case, certainly the most compact that is assembled from off-the-shelf components and powered by open source software!

In the video, Evariste takes us through the transmit chain comprised of: Pi Camera → AVC2TS (H.264 encode and transport stream encapsulation) → DVB2IQ (DVB-S modulator) → LimeTX (I/Q streaming tool) → LimeSDR Mini transmitting on 1.2 GHz amateur TV band.

A Raspberry Pi plus rtl-sdr is being used on the receiving side and this is configured to give a spectrum display, before switching to display the live video stream upon reception.

We hope you will agree that this is not only a fantastic example of what can be achieved with the LimeSDR Mini and Raspberry Pi, but a particularly exciting development for amateur radio also!

Andrew and the LimeSDR Mini Team

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LimeSDR Mini

The LimeSDR Mini is the perfect way to start experimenting with and building your own wireless networks, protocols, and testers. Save $20 off the retail price.


LimeSDR Mini with Aluminum Case

This custom-made aluminum case comes with a LimeSDR Mini and two antennas. The case not only keeps your LimeSDR Mini safe, but it also helps reduce noise interference. Perfect to slip into your pocket for all your on-the-go wireless adventures.


Acrylic Case

Keep your LimeSDR Mini safe in this custom acrylic case.


Two Antennas

A pair of omni-directional antennas with SMA connectors, optimized for frequency ranges of 800-960 MHz, 1710-2170 MHz, and 2400-2700 MHz.

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Lime Microsystems

Working toward the democratization of wireless communication through an open source ideology.

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