K
KIM Smith After using a "skimpy" users manual, I managed to talk with another radio using either a SIM card, and later only on WiFi. Just to make sure, I removed one of the SIM cards just to confirm. I'm getting used to the nuances of the green and red buttons - Green, confirming your choices / Red, for saving, exiting. Up and Down - self-explanitory. P1 and P2 - Left and Right. I'm Happy with it.