Whats recommended for a way to send say a b/w cam say 1500ft or more and what would cost be.
trying to put cameras on a gate in my neighborhood sticking a pc or dvr over there is not really an option lasvegas desert +100F yeah not gonna happen.
distance approx 1500ft
1-2 cams but as far as a cheap network link i have no idea what to do can't relly be over say 150$ total cost for transmit and cams
Suggestions for net link .
Outdoor Gate Camera
Outdoor Gate Camera
Last edited by kingofkya on Tue Mar 03, 2009 11:19 pm, edited 1 time in total.
Two options and both are analog cams which is about the only way to go 1500 feet (~500 m) other than using fiber for network cams. The most you can go via cat5 is about 350 feet so you would need a switch or hub every 350 feet.
Search for video Translators or I can PM you the information. It allows sending video, audio, and power down one coax and amplify the signal on both ends. These are usually good for about 2000 feet. You can also get a translator that passes video from two cams over one coax. They come in pairs usually as you need one for each end, one encoder and one decoder.
Second option is active baluns to use over twisted pair. this option can provide more distance than a translator and can go as far as 3000 feet. the down side is you have to provide power at both ends. Since it's a security gate, I would assume there is power there so that should not be a concern but you may want a UPS for the cams and active baluns out at the gate in case of power outage. This uses one pair of wires for transmission so you could have four cams on one CAT5 by using eight active balun pairs. There are two types, a transmitter and a receiver and are usually sold individually as you can also purchase a 1U rack mount receiver capable of handling 8 to 16 transmitters to keep clutter down but not a cost effective solution in this case.
Other than those two options, you'll have to look into wireless. For anything truly reliable, you would want to look into 5 Ghz linkups, but 900Mhz and 2.4Ghz stuff is fairly good as well. I'd stay away from wireless network A, B, G, N cams if you need something rock solid.
Search for video Translators or I can PM you the information. It allows sending video, audio, and power down one coax and amplify the signal on both ends. These are usually good for about 2000 feet. You can also get a translator that passes video from two cams over one coax. They come in pairs usually as you need one for each end, one encoder and one decoder.
Second option is active baluns to use over twisted pair. this option can provide more distance than a translator and can go as far as 3000 feet. the down side is you have to provide power at both ends. Since it's a security gate, I would assume there is power there so that should not be a concern but you may want a UPS for the cams and active baluns out at the gate in case of power outage. This uses one pair of wires for transmission so you could have four cams on one CAT5 by using eight active balun pairs. There are two types, a transmitter and a receiver and are usually sold individually as you can also purchase a 1U rack mount receiver capable of handling 8 to 16 transmitters to keep clutter down but not a cost effective solution in this case.
Other than those two options, you'll have to look into wireless. For anything truly reliable, you would want to look into 5 Ghz linkups, but 900Mhz and 2.4Ghz stuff is fairly good as well. I'd stay away from wireless network A, B, G, N cams if you need something rock solid.
I don't know about the price range but we use the cameras by www.wirelessoutdoorcam.com and push at least a good mile with directional antennas and have good through put with two cameras. And next week we are beta testing their 900MHz systems for penetrating thru some trees at one site and then later test it to see it it will make it thru a couple of buildings. The cameras are a good quality and we use autoiris 6-60mm zoom lens to get a good close up without allowing anyones hands from getting to them because their usually up on a pole or the side of a building where only our bucket truck can get to.
Sorry not selling just excited about using them and I'm learning a lot and my friend Mike told me to reply to a post here that I could help help some with a ptz camera. And well I got carried a way. Please remove my posts if they were too much like a sales pitch. But leave the PTZ one to help that guy.
has anyone used these http://www.avalanwireless.com/product_list.htm
i just wan to guess on the range of it
yeah (someone keeps breaking the gate so i am looking into stuff again)
i just wan to guess on the range of it
yeah (someone keeps breaking the gate so i am looking into stuff again)
The range will depend mostly on the frequency, the wireless wattage of the radio, antenna db gain and the amount of obsticals in the path between transmitter and receiver.
2.4GHz & 5.8GHz pretty much require a clear line of site from transmitter to receiver whether its analog or digital.
But 900MHz can penetrate thru multiple types of material and go furthor but it has less banwidth to use.
2.4GHz & 5.8GHz pretty much require a clear line of site from transmitter to receiver whether its analog or digital.
But 900MHz can penetrate thru multiple types of material and go furthor but it has less banwidth to use.