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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.

“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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