gps sim300d gprs module performance

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y.mcharek

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gps gprs

I am designing an avl board based on an atmel sam7, sim300d and antenova sirfIII gps, has any one tested the above mentioned gps, how do they react in the field?
thanks
 

gps gprs

try use sim 508
it's simply
 

gps gprs

SIM508 is not supported anymore. Use SIM548C is the best available now.

I have used SIM548C for my applications. It's good.
 

gps gprs

I need sirfII gps, I don't think that SIM548C is sirfIII
 

gps gprs

SIM508, SIM548C both use sirfIII You can see their specs ^^
 

gps gprs

I think sim548 can use sirf binary protocol to communicate but is not a sirfIII processor.
 

gps gprs

I don't think that SIMCOM do not use SIRFIII in their products when they say in the specs they do use it.
As I've known, SIMCOM & WAVECOME is the only 2 companies produce GPRS modules. So, SIMCOM is a big one, anyway
 

gps gprs

It don't appear to use a SIRFIII processor...
 

gps gprs

I wonder how do you know that ?
 

I apologize, the sim 508 and SIM548C are SIRFIII gps reciever. you were right angel eye
 

MTK technology is also good,

also search it before working.
 

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