Cordless Tie
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Bosch 22614 14.4-Volt 1/2-Inch Impactor Cordless Impact Wrench Kit
List Price: $483.00
Sale Price: $279.99
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Stubborn lug nuts, beefy bolts, lag screws and hex-head bolts require a lot more force than your average ratchet wrench offers. And even one try with an open-end wrench will send you searching for a better way to tighten large fasteners like these...
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Zibra ZPCOPEN-OR Open It Universal Package Opener
List Price: $14.99
Sale Price: $7.86
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Tired of cutting your hands on plastic packaging? Are you frustrated with breaking down taped-up cardboard boxes at work? The Zibra Open It! Four-in-One Universal Package Opener lets you easily open clamshells, toy packaging, boxes, battery compartments, and more...
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Trademark Tools 75-36035 3.6V Rotary Tool Set, 60-pc
List Price: $19.99
Sale Price: $16.67
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The compact size of this amazing tools 3. 6v rotary tool allows comfortable use and control even in tight spaces. Quick change collets firmly secure accessories. Cuts, grinds, sands, drills, sharpens, and polishes with 60 different accessories...
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Cosmos ® Black 2.4G RF optical wireless USB mouse for macbook 13" PRO AIR 11" DELL ACER SONY HP TOSHIBA+ Cosmos cable tie
List Price: $30.00
Sale Price: $9.99
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2.4GHz digital wireless transmission, operation distance is up to 10 meters
800 dpi/1600 dpi, cursor speed adjustable
Built-in mouse memory, no recoding is needed after battery replacement
The service life of one AA alkaline battery is UP TO SIX MONTHS
Ergonomically designed ideally for right-handed
Just plug-and-play, no installation driver is needed
Auto-Switch will let your mouse enter sleep mode when it's not used for long time; to wake it up, just press the right or left button
Low-voltage alarm function
Scroll Wheel, next page and previous page button for more efficient browsing
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Audio-Technica ATR-3350 Lavalier Omnidirectional Condenser Microphone
List Price: $39.95
Sale Price: $19.80
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Audio-Technica's newscaster-style omnidirectional ATR3350 lavalier is engineered for intelligible, accurate voice reproduction. This high-quality condenser is ideal for video use, and is a favorite choice for aerobics/dance/sports instructors...
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What is the feasibility of setting up a private cell phone network?
What all would setting up a small, private cell phone network entail?
I'm asking because I work at a production facility, which is fairly large, and several of the supervisors have been carrying around some rather bulky (and expensive) cordless phones, which are tied into our PBX.
I know nothing about telephony, but I just got to thinking that it'd be a lot easier if we could just get them cell phones that would somehow work with our system. Or maybe somebody sells cell-phone sized cordless phones and I just haven't found them yet.
I'm guessing this is probably going to be a no go for one of several possible reasons, but now I'm curious, so if you know about this stuff, humor me.
Thanks
Setting up a "private cell phone network" that would allow people to use their existing cell phones would be a bit of a challenge - especially if the different people have different cell phones from different service providers... For example, T-Mobile and AT&T use GSM/EDGE/UMTS while Verizon Wireless and Sprint use CDMA/1xRTT/1xEv-DO. You cannot use a GSM phone on a CDMA network and vice-versa.
Even if everyone used the same cell carrier (and transmission technology), the cell phone service provider bought the (expensive) frequency licenses to use the frequencies, so you would need their permission. And likely permission from the FCC.
Your company's IT folks would be able to easily find IP-based phones that could use the wifi (wireless LAN) at the facility - if 802.11 g/n is installed there. This would also tie into the company's phone system. It would be best if it was an IP-based VoIP phone system - or if a gateway between the TDM PBX and the Wireless VoIP terminals is installed to bridge those networks.
If everyone uses the same cell phone service provide (or if the company provides the phones and service), contact the service provider and see what their plans are for "FMC" (fixed mobile convergence) which uses cell phones with normal cell network connections AND a wifi transmitter/receiver built in to the (new)phone... or if the carrier is doing anything with femto cells - these allow small cell network base stations (using the cell phone service provider's frequencies) in poor coverage areas but are generally targeted to residential or small business and are not directly tied in to your company's PBX. There's been some talk of "pico" cells (bigger than femto, smaller than the large regular "macro"), but I have not heard of anyone developing or deploying them yet... These would not be directly tied to your company's PBX, either.
The problem with repeaters is that the cell phone company has responsibility to provide accurate location information in case of an emergency. Sometimes this is done using the GPS information in the phone. When indoors, it is possible that the GPS information cannot be updated by the phone because the satellite signal cannot get to the phone - in that case, the e911 location system uses a triangulation method that uses the time it takes to travel from the handset to (at least 3 - more is better) cell phone service provider radio towers. When you use a third party repeater, that "round trip delay" is not accurate. In an emergency - if the facility is large - locating that handset using the thrid party repeater will be extremely difficult and might not provide the FCC-specified location information accuracy.
Those "rather bulky (and expensive) cordless phones, which are tied into our PBX" may be the best bet, currently. From a security perspective, making the phones small and "sexy" begs for them to be stolen - even if they can't be used at home or outside the work area, and the thief won't want to bring it back...
As for small cordless phones that would connect to the PBX using an analog port (probably like those in use today), try hellodirect.
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Thursday, February 11th, 2010 at
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