Wio LTEでSMSを受信してみる(mineo au SIM) ref: http://qiita.com/KazuyukiEguchi/items/2f6ca6e329ce1e98a646

test.ino

#include <WioLTEforArduino.h>
#include <limits.h>
#include <stdio.h>

WioLTE Wio;

void setup() {
  // put your setup code here, to run once:
  delay(200);

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

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

  SerialUSB.println("### Power supply ON.");
  Wio.PowerSupplyLTE(true);
  delay(5000);

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

  delay(3000);

  if(Wio.Activate("mineo.jp","mineo@k-opti.com","mineo") == true) {
    SerialUSB.println("Activate is True");
  } else {
    SerialUSB.println("Activate is False");
  }

  delay(3000);

  SerialUSB.println("Loop Start");
}

void loop() {
  char num[20];

  if(Wio.GetPhoneNumber(num,sizeof(num)) > 0) {
    SerialUSB.println(num);
  }

  int rssi = Wio.GetReceivedSignalStrength();
  if (rssi == INT_MIN) {
    SerialUSB.println("### ERROR! ###");
    goto err;
  }

  SerialUSB.print("RSSI:");
  SerialUSB.print(rssi);
  SerialUSB.println("");

  char mes[256];

  if(Wio.ReceiveSMS(mes,sizeof(mes)) > 0)
  {
    SerialUSB.print("SMS:");
    SerialUSB.println(mes);
    Wio.DeleteReceivedSMS();
  }

err:  
  delay(5000);
}