LimeSDR

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May 11, 2017

Digital GPS Signal Repeater System

We are thrilled to see that commercial applications based upon LimeSDR are already being developed. Microlab was able to quickly evaluate and modify the LimeSDR board to suit their application, which shows what can be achieved in a short period of time when technology gets in the hands of innovators with full access to design files, drivers and APIs.

Microlab’s digital GPS repeater system can be used for cellular communications UTC synchronization, along with indoor GPS rebroadcasting for locations where the GPS signals are not readily available. The system is built with Microlab’s patent-pending Digital SkyTiming Technology™ offering industry-first GPS signal transmission via CPRI for highly accurate timing and location. The system uses a custom embedded circuit card based on the LimeSDR board family. This card is located in both the outdoor remote unit and the indoor head-end, to convert the RF to digital to CPRI and back to RF. The system offers extremely high reliability, with built in redundancy for all features and functions. In addition, the system is accessible via HTTP and SNMP for remote control and monitoring.

For more information on Microlab repeater system, please visit https://microlabtech.com/active-solutions/gps-repeater-solutions/repeater-system.html.

Delivery Update

As mentioned in the previous update, the next 1,000 LimeSDRs are slated to arrive at Crowd Supply’s warehouse this month. This batch is still on schedule. If you need to update your shipping address, you can do so by logging in to your account.

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Product Choices

$299

LimeSDR

The LimeSDR is based on Lime Microsystem’s latest generation of field programmable RF transceiver technology, combined with FPGA and microcontroller chipsets. These connect to a computer via USB3. LimeSDR then delivers the wireless data and the CPU provides the computing power required to process the incoming signals, and to generate the data to be transmitted by the LimeSDR to all other devices.


$99

Acrylic Case

A layered acrylic case to protect your LimeSDR. Can be used with either USB Type A or micro USB Type B. Antenna not included - separate purchase available.


$599

LimeSDR with Aluminum Kit

Start developing apps based on Lime Microsystem’s latest generation of field programmable RF transceiver technology. This board comes with fancy aluminum casing. The board will be delivered with turnkey support for a diverse range of SDR ecosystem software, a powerful API and rapid prototyping environment. All the boards in this category will come with a fancy Aluminum casing coated with high quality material, cables, and antennas for a quick set up.


$799

Ultimate LimeSDR With PCIe Interface

Start developing apps based on Lime Microsystem’s latest generation of field programmable RF transceiver technology. The board will be delivered with turnkey support for a diverse range of SDR ecosystem software, a powerful API and rapid prototyping environment. All the boards in this category will come with a PCIe interface, cables and Antennas for a quick set up.


$85

Four Antenna + Cable Pairs

Omni-directional antenna set, covering frequency ranges 800-960 MHz, 1710-2170 MHz, and 2400-2700 MHz. Includes U.FL to SMA cables.


$169

GPIO Board

This stackable expansion board for the LimeSDR provides individually settable, bi-directional level-shifted I/O for FPGA GPIO 0-7. Each I/O has a high-voltage and power Darlington drive stage suitable for inductive loads, such as coaxial relays. LimeSDR not included.


$79

Hacker Case

This custom acrylic case accommodates both a LimeSDR and a GPIO Board, and includes SMA connectors for all RF ports, two SMA connectors for clock I/O, and a 40 mm cooling fan. LimeSDR and GPIO Board not included.

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Credits

Lime Microsystems

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


Jessica Gillingham

Ebrahim Bushehri

Andrew Back

Zack Tamosevicius

Richard Jonaitis

Josh Blum

Lexi Hatziharalambous

Karolis Kiela

Andy Chang

Ernie Shih


ASE Group

IC manufacturer

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