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Onion Omega2 LTE Open-Spec SBC with LTE Cat 4 and GNSS

By on June 1, 2019
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Onion company has recently returned to Crowd Supply with a open source, OpenWrt Linux driven Omega2 LTE SBC with 4G LTE and GNSS location connectivity.

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“The Omega2 LTE is the latest addition to the Omega2 family of Linux IoT computers, adding built-in high-speed 4G LTE cellular data connectivity and GNSS global positioning. Smaller than a credit card, the Omega2 LTE is an all-inclusive, standalone computing device for developing cellular IoT applications. Just add LTE antennas and power.”

Since the Omega2 LTE is based on Onion’s Omega2S+, the board keeps much of the same hardware — a MediaTek MT7688 MIPS WiSoC (128Mb of DDR2/32Mb Flash), and 802.11 b/g/n/ (2.4GHz) Wi-Fi. All connectivity options, including 4G LTE and GNSS, have their own U.FL connectors, along with a Nano-SIM slot and a micro SD card slot.

Onion Omega2 LTE specifications:

  • WiFi Module – Onion Omega2S+ IoT computer module with MediaTek MT7688 MIPS CPU @ 580 MHz, 128 MB RAM, 32 MB storage
  • Cellular and GNS Module – Quectel EC25 LTE Cat 4 modem that delivers 150 Mbps downlink and 50 Mbps uplink data rates, provided either for North America or global markets
  • External Storage – MicroSD card slot up to 2 TB (once such cards become available…)
  • Connectivity
    • 2.4 GHz 802.11 b/g/n Wi-Fi 4 + onboard 2 dBi direction chip antenna & U.FL connector for external antenna
    • Cellular
      • North America (Note: not suitable for Verizon, Global LTE model required)
        • 4G LTE (FDD) – B2, B4, B12
        • 3G UMTS WCDMA – B2, B4, B5
      • Global
        • 4G LTE (FDD) – B1, B2, B3, B4, B5, B7, B8, B12, B13, B26, B18, B19, B20, B28
        • 4G LTE (TDD) – B38, B29, B40, B41
        • 3G UMTS WCDMA – B1, B2, B4, B5, B8, B6, B19
      • Nano-SIM slot for cellular data
      • u.FL connectors for main and diversity antennas
    • Global Positioning –  GPS, GLONASS, BeiDou, Galileo, QZSS; u.FL connector for GNSS antenna
  • USB – 1x USB type-C port for power and serial communication / debugging
  • Expansion – 30-pin I/O header with GPIOs, Ethernet, 2x PWM, I2C, I2S, SPI, UART, reset, and power signals (5V, 3.3V, and GND)
  • Misc – 5x status LED’s for cellular, WiFi, system, and power; programmable button; power switch
  • Power Supply
    • 5V via USB
    • LiPo battery with battery management and JST-PH battery connector
  • Dimensions – 80 x 50 mm

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