varun jana Profile Topics Started Replies Created Engagements Search replies: Forum Replies Created Viewing 1 post (of 1 total) Author Posts April 6, 2013 at 10:34 am in reply to: GSM SIM 300 interfacing #9435 varun janaParticipant HI WHEN I GIVE AT+COPS=? TO MODULE I RETURNS ERROR SAYING +CME ERROR 22 WHAT DOES IT MEAN? Author Posts Viewing 1 post (of 1 total)