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Is the sim800l module not connect to network?
I have a SIM800L module and I want to send SMS. But this module is not connect to network. I am from Sri Lanka. I am using 3G SIM card and I think it is not issue because if it 3G SIM it can shift to 2G. Am I right? I put this SIM card to my iPhone and change setting to 2G then also get signals “E”.
Is the sim800l compatible with the Arduino stack?
Finally I found that its baud rate is 38400. With baud rate of 9600 for Arduino and 38400 I am able to communicate with SIM800L. The problem is that I am unable to register to network.
How to forward serial data from sim800l to serial monitor?
This is the sketch used to forward serial data from the serial monitor to SIM800L and also SIM800L to the serial monitor with Arduino Uno or nano If you are using Arduino Mega, you can use the sketch below. But you should connect the RX and TX pin to serial1 of Arduino mega.
Is the sim800l on a network blind spot?
For getRSSI (), these are the possible return numbers: dBm is short for decibel per milliwatt and is a common unit for signal strength. -115 dbm is the lowest signal strength value and would typically mean that the SIM800L is on a network blind spot. -111 dBm is also a bad number for signal reception. I was able to connect to a network at -70 dBm.
Can a sim800 work on a 2G network?
There has never been any doubt that the SIM800 works on a 2G network. The question is – do you have a 2g network for it to work on? I rather feel that, if you don’t, no amount of “OK”s and “ready”s will save you, and the answer to this question may well be reflected in the falling price of SIM800 shields.
How can I know which network operator my Sim is registered with?
To know that, you can try AT + COPS? command. This will tell you with which network operator your sim is registered with. If this is not giving you the expected results, try AT + CREG? command and check the registration status of your sim. If the status is not 1, then do network registration by AT + CREG=1