Haydon HAY-RCACOUPLER-M2M RCA Male to Male Coupler – Audio & Video Inline Adapter – Pack of 10
Unless selecting a vari-focal camera (with an adjustable lens) It is important to select the correct camera lens option for where the camera is to be positioned. A smaller lens will give you a wider angle but will be "zoomed out more", while a bigger lens will narrow the angle down and "zoom in more". See below to give you some idea on angles of Megapixel HD Cameras:
| Lens in mm | Approx Viewing Angle (degrees) | Ideal Distance (metres) | Typical usage/notes |
|---|---|---|---|
| 2.8 | 106 | <6 | For seeing as much of the immediate area as possible such as above a doorway/low down/garage soffits (edges can appear slightly warped/distorted) - clearly "zoomed out" |
| 3.6/4 | 83-90 | <12 | A great general purpose option giving great coverage still in the corner of a room or higher up on second floor soffits with less distortion - more of a natural "zoom" |
| 6 | 56 | 6-20 | Narrows down the angle and zooms in to look past the immediate area a little to gain more detail - down a driveway for example from higher up |
| 12 | 24 | 20+ | Zooms in significantly more to look at a gate, entrance or adjascent building |
| 16 | 19 | 24+ | As above but more so |
The amount of hard drive space you require is dictated by how many cameras, as well as their resolution and frame rate settings. Finally you can often make your storage space last a lot longer by enabling motion detected recording rather than continuous, especially if there are long periods of no activity.
|
Resolution (Megapixels) |
Days of storage provided by 1TB per camera (continuous - full 25 frames per second) |
Days of storage provided by 1TB per 4 cameras (continuous - full 25 frames per second) |
Days of storage provided by 1TB per 4 cameras (50% motion- 15 frames per second) |
|---|---|---|---|
| 1 | 44 | 11 | 36 |
| 2 | 22 | 5 | 18 |
| 3 | 17 | 4 | 14 |
| 4 | 11 | 3 | 9 |
| 5 | 9 | 2 | 8 |
| 6 | 8 | 2 | 6 |
| 8 (4K) | 5 | 1 | 4 |
| 12 | 4 | 0.5 | 3 |
As a rule of thumb we recommend a minimum of 2 Terabytes per 4 x 2-4MP HD cameras, as this should give you 2 weeks to a month with a few adjustments on motion detected recording. You may only require the full 25 frames per second on certain cameras if things are fast moving.
(All of our hard drives come fitted and are CCTV specific from one of the major brands)
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Haydon HAY-RCACOUPLER-M2M RCA Male to Male Coupler – Audio & Video Inline Adapter – Pack of 10
The Haydon HAY-RCACOUPLER-M2M RCA Male to Male Coupler is a professional-quality inline adapter designed to provide a reliable connection between two RCA female sockets. Featuring RCA male connectors at both ends, it offers a simple and effective solution for extending or adapting analogue audio and composite video connections in CCTV, AV and multimedia installations. The coupler is supplied in a convenient pack of 10, making it ideal for professional installers, AV engineers and maintenance teams.
Manufactured with a durable metal body, the adapter delivers excellent mechanical strength and dependable long-term performance. The precision-engineered RCA connectors provide a secure fit, helping to maintain stable signal transmission for both audio and composite video applications whilst reducing the risk of loose connections.
The compact inline design enables quick plug-and-play installation without the need for specialist tools or cable termination. It is ideal for connecting existing RCA cables, adapting equipment connections or extending cable runs in home entertainment systems, CCTV installations, audio equipment, video monitoring systems and multimedia applications.
KEY FEATURES
- Professional RCA male to male inline coupler
- Connects two RCA female sockets
- Suitable for analogue audio and composite video signals
- Durable metal body construction
- Reliable signal transmission
- Precision RCA connectors for a secure fit
- Plug-and-play installation
- No specialist tools required
- Compact inline design
- Ideal for CCTV and surveillance systems
- Suitable for televisions, DVD players and media equipment
- Compatible with amplifiers, speakers and AV receivers
- Perfect for cable extensions and equipment adaptation
- Suitable for residential, commercial and industrial applications
- Supplied in a pack of 10 couplers
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