iotSDR

A versatile dev board with everything you need to design custom IoT protocols & gateways

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Embedding SDR in IoT

iotSDR provides a platform that allows SDR developers and enthusiasts to develop cutting-edge solutions in the IoT radio and network domains. It has two Microchip AT86RF215 frontends, capable of providing I/Q streams and modem functionality for the Xilinx ZYNQ SoC, as well as a MAX2769 GNSS chip for custom GPS, Galileo, BieDou, and Glonass development. It is also compatible with the popular GNURadio SDR software.

If you want to design and develop a physical layer protocol for IOT – a protocol like LoRa, SigFox, WightLess, Bluetooth, BLE, 802.15.4, ZigBee, or something of your own – this board is for you. It is also a great place to start if you want to build a custom IoT gateway along the lines of The Things Network, LPWAN, or Google Thread.

Features & Specifications

  • RF Transceiver: 2x Atmel AT86RF215
    • European band: 863-870 MHz / 870-876 MHz / 915-921 MHz
    • Chinese band: 470-510 MHz / 779-787 MHz
    • North American band: 902-928 MHz
    • Korean band: 917-923.5 MHz
    • Japanese band: 920-928 MHz
    • World-wide ISM band: 2400-2483.5 MHz
  • GNSS Receiver: MAX2769B
  • SoC: Xilinx ZYNQ XC7Z010-1CLG400C
    • Dual-Core ARM Cortex-A9 MPCore
    • 256 kb on-chip memory
    • DDR3 support
    • 28,000 logic cells
    • 17,600 LUTs
    • 2.1 Mb block RAM
    • 80 DSP slices
    • 2x UART, 2x CAN 2.0 B, 2x I²C, 2x SPI, 4x 32-bit GPIO
    • FPGA configuration via JTAG
  • EEPROM Memory: 1x AT24MAC602 for RF transciever MCU firmware and data
  • Flash Memory: 1x QSPI 128 Mb flash memory for firmware
  • RAM: 256 MB DDR3
  • SD Card: Micro SD card slot
  • General User Inputs/Outputs:
    • 2x 8-bit PL interfaces
    • 1x 8-bit PS interface
  • Connectivity:
    • 1x Gigabit Ethernet
    • USB 2.0 high-speed (USB3310)
    • USB 2.0 full-speed (CP2104)
    • 2x SMA RF connector for Low Frequency IoT Bands transceiver
    • 2x SMA RF connector for 2.4 GHz Band transceiver
    • 1x GNSS receiver RF connector
    • FPGA JTAG connector for external JTAG programmer/debugger
  • Clock System:
    • Single clock source for both RF frontends
    • Separate clock for GNSS receiver
  • Board Dimensions: 76.2 mm x 101.6 mm

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