Code Country Standard Startup Subscribers Subs Date Operator U.S. Partners Vendor Coverage Other SZ-2 Switzerland GSM 3/93 145,000 1/96 PTT Ericsson license = Natel D SZ-2 Switzerland GSM 3/93 145,000 1/96 PTT Motorola license = Natel D SZ-2 Switzerland GSM 3/93 145,000 1/96 PTT Philips license = Natel D