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[GPS develop] GPRS DL : 0: GPRS must: (1) enable access to company LAN and the Internet (U), (2) provide reasonably high data rates (U), (3) enable the subscriber to be reachable at all times – not only for telephone calls but also for information such as new emails or latest news (U), (4) offer flexible access, either for many subscribers at low data rates or few subscribers at high data rates in order to optimize network usage (NP), (5) offer low cost access to new services (U + NP).
Date : 2025-12-25 Size : 133kb User : feit
[GPS develop] gsm_clock DL : 0: Designs and circuit diagrams of an electronic clock are now well enough developed. But accuracy of indication of time remains a problem. The decision of this problem probably by means of the module of the receiver of system GPS. Cost of such module a little удорожает cost of hours, therefore it is expedient to apply them in the big street hours or in network hour systems.
Date : 2025-12-25 Size : 119kb User : Sweer
[GPS develop] TCPnet_SIM900 DL : 0: SIM900 - the new generation of low cost GSM / GPRS modules of SIMCOM. In developing the module deference to the wishes of consumers modules of previous generations, carefully crafted questions the reliability of embedded software, introduced new power-saving modes, significantly reduced size. However, the stored key advantages: a popular form factor with end rations that are not to use costly technology assembly and soldering inspection, convenient vstroennny TCP / IP stack, low price. All this allows you to use the module in a wide range of products, including personal and car trackers, security systems and industrial automation, and other fields.
Date : 2025-12-25 Size : 682kb User : Alexander