You need a camera at the front gate, but the recorder sits in an office 500 metres away. Most installers answer that with a trench and a few hundred metres of cable. There is a simpler answer: a wireless CPE bridge, which carries the camera feed through the air to your recorder with no cable in between and no digging at all.
What a wireless CCTV bridge actually is
A CPE bridge is a pair of small, directional radios. One goes at the camera end, one at the recorder end, and you point them at each other. Once they link, the pair behaves like a network cable: whatever you plug into the far unit appears on the network at the near unit. Your camera does not know or care that the middle of its run is air rather than copper.
This is not Wi-Fi in the usual sense. Household Wi-Fi spreads signal in every direction for devices that move around; a bridge focuses a narrow beam between two fixed points, which is why it holds a stable link across distances that would defeat an ordinary access point.
How far it will reach
With clear line of sight, a good pair of CPE units will carry a camera feed a kilometre and further. The limit is rarely the radio — it is what sits between the two ends. A row of mature trees, a steel building, or a hill will cut the link whatever the specification sheet claims.
Distance also affects how much you can push through. One or two cameras at 500 metres is comfortable. Six cameras at four megapixels each, at the far end of a kilometre link, needs the bandwidth worked out in advance rather than hoped for.
What you need at each end
Three things, and all three are easy to overlook:
- Line of sight. The two units have to see each other. Mount height is usually the fix — getting above a fence line or a hedge solves most problems.
- Power at both ends. The radios are PoE powered, so a single cable carries both power and data from each radio to the equipment beside it.
- PoE for the far camera. The camera at the gate still needs power. A short PoE run from the far radio’s injector covers it, which is why “no cable” means no cable between the buildings, not none at all.
Bridge or trench: which is cheaper
Trenching is priced by the metre, and the ground decides the number. Crossing a gravel lane is one figure; crossing a paved yard, a septic bed, or a municipal right of way is another entirely. Beyond about 100 metres, a buried run plus the labour to put it in the ground usually costs several times what a pair of CPE units costs.
Buried cable is also invisible until something cuts it, and then you are digging again to find out where. The honest trade-off: cable in the ground is more or less permanent, while a wireless link has to be aimed properly and checked occasionally. On most sites that trade is worth making.
What we recommend for Kitchener-Waterloo properties
We install these links across Waterloo Region and Guelph, and local conditions shape the advice. Farms around Wellesley and Wilmot are the clearest case: a barn or gate several hundred metres from the house, open field between. Warehouse and industrial yards in Cambridge and east Kitchener are the second: a back-lot gate with no practical way to run cable across the asphalt.
Winter is the thing to plan for here. Ice loading will shift a bracket that was aimed perfectly in September, so we mount on rigid brackets, aim with headroom rather than to the last decibel, and keep the radios clear of snow sliding off a roofline. Summer has its own trap: a path surveyed in April through bare trees can degrade badly by July, so we check it against full foliage before quoting. Long rural driveways around Guelph and Ayr are the other common job — a gate camera 200 or 300 metres from the house, where a bridge costs a fraction of trenching up the lane.
FAQ
Does a wireless bridge need internet to work?
No. The bridge carries camera traffic between two points on your own network, and works the same on a site with no internet at all. You only need internet if you also want to view the cameras remotely from a phone.
Will bad weather knock out the link?
Ordinary Canadian weather does not. Heavy rain and snow take a small amount of signal, which is why we build the link with margin rather than at its limit. The failures we see are almost always alignment or an obstruction, not weather.
Can I add more cameras to an existing bridge later?
Usually yes, provided the link has bandwidth left. It is worth raising before we install rather than after: sizing the link for where you expect to be in a few years costs very little extra up front.
Get the link surveyed before you dig
If someone has quoted you a trench, it is worth a second look before the excavator arrives. We offer a free site survey across Kitchener, Waterloo, Cambridge and Guelph: we walk the path, check line of sight, work out the bandwidth you need, and tell you honestly whether a bridge or a cable suits your property. Call SpyonSecurity at 226-227-7966 or get in touch here.