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Thanks for your help :)

Hi, I have (the design of) a hotel and a swimming pool on the roof and another one at the ground level in front of it. The upper pool and utilities are covered by a glazed dome, the lower pool is "outdoor". Can you please tell or point out the relative NFPA 72 requirements for both...

You didn't mention if your original SWB was UL listed in the first place! If it wsan't, then get another contractor to do it. However, if it was, then your contractor is right: smaller equipment will mess up the Form compatmentation, for example if it was Form 4 - Type 7 (as in: you have to be...

@dpc: All - except: common wealth, china and ex-urss countries have in their ~local codes~: "Unless otherwise specified by NFPA". On one project: >homer: we put *blah* in the sepcs according to the NFPA >client: we know the NFPA , we want to know what You think >homer: doesn't...

johnwiss - i get you 80% that microwave trick seems interesting, can you please elaborate? ;)

Hi & 10x it's about one antenna in GF and its coverage in the upper floor. Obstacle is the ceiling: 450mm thick. Iron rods spacing inside the ceiling concrete slab: 150mm Ceiling is infinitely long (1Km (airport concourse)) TX/RX frequencies: 383/420Mhz (Terrestrial Trunked Radio (TETRA)) =>...

Hi, I read somewhere that a given radio signal has a wavelength of 1Km and since the wall in front of it is only 1m thick, the wave has no problem penetrating it. It is only when the wavelength starts to compare with the ditance between the iron ribs in the concrete wall that reflection...

Hi Gabi49, What is the site? Thanks

Our network WAS like this before, we used MS Access to make the database you were talking about. The most important thing was the ability to put IP addresses as primary keys, this way we dont get the IP conflict anymore. Further we can link static IP to MAC address, this way a user cannot...

Well, i would like to say 2 things: 1. a Dial Up adapter is a modem that can identify dial tone and Dial Up: it can send the correct Dual Tone Multi-Frequency codes ... An example of non-dial up modems is the one in which you plugin 2Mpbs connection, but not all those are non dialup either. 2...