A lot of people read the chip spec and expected the card implementation to be able to do the same, they were unpleasantly surprised to find out that was not the case. Initially you couldn't even pass a tuning frequency below that through the API. This is incorrect, and it is the source of much pain. It's important to point out that the two reviews listed from and are for the previous version of the LimeSDR, not the LimeSDR Mini which was just recently released. VectorLock on Mar 2, Such as?ĬhuckMcM on Mar 2, HackRF works well as a transmitter in this spectrum as well where its dynamic range isn't the limitation like it is when receiving. It isn't a deal killer but it means if you're going to be exploring the low bands you probably want an upconverter. Even with the change I found a number of systems with better performance in the low bands.
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They later offered an HF mod which was to remove an inductor coil from the front end selector on one of the antenna inputs to give it better frequency response. LimeSDR Mini with Aluminum Case and Antennas The 'microwave' focus was particularly apparent when, by default, there was no reasonable way to listen in on things below about Mhz. ChuckMcM on Mar 1, I bought one the LimeSDR and based on that experience declined to buy the mini. Its really hard to find inexpensive components and modules here and getting them shipped is also a pain.The Mini has two channels instead of four, and, by popular demand, SMA connectors instead of micro U. Hey Abhijith! Even we are a bunch of students trying to work on Cognitive Radios in India. So, what I want to ask you is "Is BladeRF programmable, just like USRp is along with its daughterborads, and inturn can it be used to program a cognitive radio by myself". I am an undergraduate student working on developing a Cognitive radio system.
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I would be weary of buying this device until it looks like there is more software support for it. As for the ASRP, after taking a brief look at the webpage, I was unable to find any drivers, source code or schematics for the device, only links to buy the device. They support 50MHz to 6GHz with no daughterboard. Can Lime Microsystems too? Can you say Motorola Mobility? 18 SDR Tricks with the hackrf Umtrx is perfect also, as it is a superior version of usrp from ettus. Thanks alexander, yes we also could include this hardware on the list.
It's been pointed out to me that although the MyriadRF does not directly connect to a computer, the pins are broken out so that the MyraidRF would be a great tool for prototyping hardware. Perhaps my view of SDR is a little narrow. However the MyriadRF is only the radio portion of the system and has no way to connect to a computer without an additional board. This is the same chip as the bladeRF, so the boards are pretty similar. Plus there's alot more benefits running 2 boards then one.
While the advantage of running 2 hackrf is one board Rx and one board Tx, you'll eliminate this issue. Rx and Tx on a single board at the same time will cause alot of unwanted noise.
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With 2 hackrf running full duplex is always better then a single board running full duplex. Keeping in mind the USB network bandwidth reduction by running two devices and the cost of two hackrf being more or close to the cost of either of the other full-duplex options which also have higher sampling rates, this wouldn't be the best solution. But there is the option to buy two and use the pair for full duplex. The table says that the HackRF is half-duplex, which is true.