Wio 3Gを動かしてみた ref: https://qiita.com/KazuyukiEguchi/items/038b241a5d7b419b96d1

ArdinoIDEの出力

--- START ---------------------------------------------------
### ## Power supply ON.
### Turn on or reset.

--- START ---------------------------------------------------
### I/O Initialize.
### Power supply ON.
### Turn on or reset.
### Connecting to "soracom.io".
### Setup completed.

ArduinoIDEの出力

--- START ---------------------------------------------------
### ## Power supply ON.
### Turn on or reset.

--- START ---------------------------------------------------
### I/O Initialize.
### Power supply ON.
### Turn on or reset.
### Connecting to "soracom.io".
### Setup completed.

test-wio3g.ino

#include <Wio3GforArduino.h>

#define APN               "soracom.io"
#define USERNAME          "sora"
#define PASSWORD          "sora"

#define INTERVAL          (60000)

Wio3G Wio;

void setup() {
  delay(200);

  SerialUSB.begin(115200);
  SerialUSB.println("");
  SerialUSB.println("--- START ---------------------------------------------------");

  SerialUSB.println("### I/O Initialize.");
  Wio.Init();

  SerialUSB.println("### Power supply ON.");
  Wio.PowerSupplyCellular(true);
  delay(500);

  SerialUSB.println("### Turn on or reset.");
  if (!Wio.TurnOnOrReset()) {
    SerialUSB.println("### ERROR! ###");
    return;
  }

  SerialUSB.println("### Connecting to \"" APN "\".");
  if (!Wio.Activate(APN, USERNAME, PASSWORD)) {
    SerialUSB.println("### ERROR! ###");
    return;
  }

  SerialUSB.println("### Setup completed.");
}

void loop() {
  delay(INTERVAL);
}