Welcome to EDAboard.com

Welcome to our site! EDAboard.com is an international Electronic Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.

Register Log in

sim 900 modem not connecting with 2G/3G sim cards

Status
Not open for further replies.

mailgsurya

Newbie level 3
Joined
Nov 9, 2012
Messages
3
Helped
0
Reputation
0
Reaction score
0
Trophy points
1,281
Activity points
1,296
I am using a sim900a gsm module . It is working fine with 2G sim cards. When i insert 2G/3G sim card i get an error AT+CPIN - Error. can anyone help me out with this.
 

rams27apr

Newbie level 3
Joined
Jan 19, 2011
Messages
4
Helped
0
Reputation
0
Reaction score
0
Trophy points
1,281
Location
chennai
Activity points
1,305
Please check the sim card holder.. and when modem is on then u have check at+ipr=baudrate.. it will reply ok.. switch off and on the modem..
 

Status
Not open for further replies.
Toggle Sidebar

Part and Inventory Search

Welcome to EDABoard.com

Sponsor

Top