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Everything posted by zmxtech
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Whether DSP can used in Wireless Video intercoms ?
zmxtech replied to cctvmeister's topic in System Design
DSP will cost way to much for this simple application. re-design the RF front end, limit the IF bandwidth and change to 5.8ghz ISM oh and those black antennas sticking out -yuck make them internal maybe add a few IR leds to help in low light -and use a good sony HAD sensor my 2c z -
6 Camera Wireless Installation for a Parking Lot
zmxtech replied to eyespye.security's topic in System Design
gsm on these bands and consumer video senders ? -
maxpro systems max-1000 heavy duty pan tilt unit -pinouts ?
zmxtech posted a topic in Installation Help and Accessories
hi folks, Would anyone have the pinouts for this big sucker ? It has 2 connectors one for control/power the other for the positioning pots its not smart no pelco serial controls just up and down/LR switches I guess z -
Cantronics 3 in 1 DND 180 series ? z
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swann =crap Stupid With Alltogether No Nightvision "SWANN" all I could come up with without coffee :-\
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you will need a least front and rear cams and a GPS speed etc overlay on the video to help with proof my 2c z
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Whats wrong with these night shots
zmxtech replied to drewliebs's topic in General Digital Discussion
mount the cams very close [next to] the flood lights then you will get a nice picture, z -
Help with design.... please
zmxtech replied to drewliebs's topic in Installation Help and Accessories
you could do it with a POE switch, WIFI link and POE IP cameras z -
Megapixel IP cam - bad frame rate?
zmxtech replied to d-tech's topic in IP/Megapixel Cameras and Software Solutions
what the speed of your network 100? maybe GB ? and what the utilisation ? z -
save some channels for > add a IR overview for night and a number plate cam -or very good quality megapixel day-nighter to get a plate. you need to catch them not look at them ! my 2c z
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hiding the SSID would be the best, and use 5ghz z
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PIR`s wont be covert, you might need to point a microwave sensor through the wall or plaster etc. maybe even a "smoke detector" with a PIR inside with the LED disabled. and a SSR solid state relay z
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yes I agree, another one hidden or overlooking the other. Another trick is to hide the cables and add a "fake" loop of cable under a camera for the bad guys to cut. [connected to the alarm] A fake easy to get to camera can be done to -if you have problems. with pin hole cams inside looking left and right. my 2c z
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whats your impression to "made in China"--survey
zmxtech replied to leo0929's topic in Security Cameras
mik mic major cause -The jokers that sell quantity over quality, Its all good tho it gives the customers taste of surveillance cheaply but in the long run those customers will have an incident and those cameras will fail badly poor images etc. then they will come looking for a `real` camera or system. z -
Or if you use IP cameras it can be done POE via the switch very handy z
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hi folks I have a question on the axis 207 series -can the lens be replaced with a larger "zoom"? say 8 or 12 mm to get tighter shots z
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proper installation of ptz camera
zmxtech replied to jake5000's topic in Installation Help and Accessories
you might need to flood the area with IR to bring up the picture. In most cases it's a big help. z -
does the kind of router / hub affect performance
zmxtech replied to blowrabbit's topic in Video Transmission/Control Devices
you can add a router to join both networks together, then you can control the bandwidth to the desktops if you like and access list etc also a gateway to ADSL\the net z -
i want to replace their 3.6mm wide angle with say 12mm board lens ? z
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i`ll answer my question http://www.axis.com/techsup/cam_servers/lens_calculators/lens_207mw.htm z
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you need active X working. make sure you are using ie6+ you will have hassles with firefox z
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You should not use 2.4 analog for a pro install. A 2.4Ghz encrypted WIFI cam or a IP cam and WIFI link for 100m I would use at least one high gain antenna so you get max throughput. I would go for a IP cam 2mp or so and the link 5ghz WIFI 54MB WPA [802.11a] z
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does the kind of router / hub affect performance
zmxtech replied to blowrabbit's topic in Video Transmission/Control Devices
VLAN it easy fix We normally run 2 VLANs one for data and one for voice, you could add a third for cams but if you had many might need a dedicated network switch Big enterprise systems run separate security networks I see anyway. z -
A big fat IR illuminator would fix the problem. then you could ID the deer etc you would have a clearer picture less noise etc tho there is a lot of light down there maybe better camera angle to miss the lights. or even change them to a down light type to stop direct light at the camera. the best option would be a camera near the lights on a pole z
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analog "wireless" works ok but encryption is really expensive -unless you want it seen. You can digitize it of course. Digital [iP] is a easy to encrypt and free also a mature system. you dont really need a switch you could use a POE injector .anyway you can get a switch for $50 they are cheap. IP is is new in the security world but 20 years old in reality I would go for IP its more future proof and flexible and you can hook it to your existing network. analog for cheapness for sure my 2c z