I bought the gsm modem from | Microcontroller › 8051 › Interfacing GPS with 8051 microcontroller › I bought the gsm modem from May 10, 2012 at 7:41 pm #7736 Amitava ThakurParticipant I bought the gsm modem from nsk..When i m connecting it to the hyper terminal i am nor receiving OK command on typing any AT command. Plzz help..
