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datasheet of sim300cz-v3.04

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nikator

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hi
i have problem with sim300cz-v3.0.can anyone help me
i cant run this module.i read it's datasheet is different from SIM300CZ_HD_V1.01 , is it true?
i can't find it's datasheet can you help me.this is very important for me
 

hi
tanks for attrition .I have this datasheet but It is for SIM300CZ_HD_V1.01 and SIM300-HD-V1.06 but my modulo is
SIM300CZ-V3.04 . I think they have different datasheet.
I want SIM300CZ-V3.04 datasheet.
 

Hi again,
there may be no big changes from one version to another, may have
changed some parameter command or something. Maybe if you ask the datasheet
for the vendor where you purchased this module, it can provide you.:wink:
 

hi
I use this datasheet but before and after I turn the module, voltage on sim card VCC port is low .
 

OK ..
you have the schematic of the module board? If you have please provide me.
I know nothing about their training .. I'm guessing u are hobbyist with little experience(sorry if I'm wrong), so I will make some questions to help you.:wink:
Another question, make sure you are feeding the module correctly.
For example, your source is stable? It provides the current and voltage required to maintain the work of the module?
 

when i use above datasheet my sim vcc to be 0 volt.why it's happen?
 

Hello,
Please be more specific when describing your problem, you have been very evasive in his statements. I want to help you but I need you to help me understand your situation, so I and other forum members can help you.
For example, I asked which source you use or if u have experience in the area .. and you did not answer any of them.
If you do not help us, we can not help you.:thumbsup:
 

hi
I want to send message with PC . I buy sim300cz-v3.04 module to send and receive sms from PC. I can find the Schematic for it. and find datasheet of SIM300CZ_HD_V1.01 datasheet. I connect it pin According to this datasheet . but I can't use it , it has not any out put. I check voltage of pin . I don't see voltage on sim vdd pin(it was 0). I search about it on internet . one person say "sim300cz-v3.04 has Different data sheet rather tan SIM300CZ_HD_V1.01 ". now I want to find sim300cz-v3.04 datasheet.
 

OK..may be i found something..
take a look at this pls on the 56 page:
**broken link removed**
Hope this help you.:wink:
 

hi
tanks for attention. I check that document but it isn't useful for me . I want sim300cz-v3.04 datasheet .it is important to Note to this Phrase "cz-v3.04".
 

hi
I turn on my module with sim300cz-hd-v1.01 . I think my module has same pinout. when I push the PWRKEY and connect to GND my NETLIGHT led turn on and start to Blink. but I don't receive any data in HyperTerminal. I check pin voltage, voltage of SIM VDD is 0.what you think? what's the problem? I search to find another datasheet or use this datasheet.
 

hi,
Too bad it did not work..:-(
So datasheet is important, these modules have more than one power pin and GND, so it is important to check that everyone is connected and properly powered. It is very likely that your board needs to be fed by another pin, so there is no tension on the SIM pin. You do not have contact seller to provide you the datasheet?
 

I send Email for all of the SIMCOM company vendor but I don't receive answer.
 
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