Category: M2M tweets

Tweets about M2M (Machine to Machine), Telemedicine and other wireless related topics.

Benefits and disadvantages of DTMF tone coding and encoding with GSM modules http://ow.ly/14yxu

M2M FAQ, hints, tips, M2M tweets
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Benefits and disadvantages of DTMF tone coding and encoding with GSM modules http://ow.ly/14yxu 17.02.2010  Remark of the author after sending the tweet: In GSM modules is a DTMF coder included. The DTMF tones are controlled by AT commands. For decoding you have to use encoder chips or a DSP.

Waterproofed GPS tracker for motor bikes

M2M FAQ, hints, tips, M2M tweets
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Waterproofed GPS tracker Designing a waterproofed GPS tracker for motorbikes by using of Tesla´s technology. There is no need for a charge plug anymore http://ow.ly/14yw2 15.02.2010  Remark of the author after sending the tweet: A charging plug is still the bottleneck. By using of Tesla´s technology we can bypass this problem.

List of American and European M2M approvals like R&TTE, FCC, PTCRB and NAPRD

M2M FAQ, hints, tips, M2M tweets
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List of American and European M2M approvals like R&TTE, FCC, PTCRB and NAPRD http://ow.ly/14yz4 12.02.2010  Remark of the author after sending the tweet: The listed approvals are maybe not complete. For medical or automotive applications you have to follow further specifications for sure. Examples price differences R&TTE tests From cheapest to highest offer the price […]

Indoor positioning on Bluetooth

M2M tweets
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Indoor positioning on Bluetooth. http://ow.ly/14yjE 11.02.2010  Remark of the author after sending the tweet: Research on positioning systems and context-aware applications are being performed in the Alipes project at CDT, Luleå University of Technology, Sweden. An evaluation of Bluetooth as a possible technology for positioning was performed during autumn of 2001 in this project.