I was wondering how the board should be connected to the arduino. I've placed the boards on top of the Arduino UNO using the pins provided but I was wondering what specific pins are used (i.e pin 7, pin 6, etc)?
Would the Hologram SIM work in Canada? I was also thinking about using a Bell mobility sim SIM card.
In the LTE_Demo example sketch you should see the pins that are being used. Please see this wiki page for more details. Pins 10 and 11 are the most important (for UART communication with the module). Pin 6 is also needed to turn on the module. SCL and SDA are used for the I2C temperature sensor if you decide to use it.