Haydon HAY-RCACOUPLER-F2F RCA Female to Female 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-F2F RCA Female to Female Coupler – Audio & Video Inline Adapter – Pack of 10
The Haydon HAY-RCACOUPLER-F2F RCA Female to Female Coupler is a professional-quality inline adapter designed to securely connect two RCA male plugs, making it ideal for extending or joining analogue audio and composite video cables. Featuring RCA female connectors at both ends, this coupler provides a simple, reliable solution for CCTV, home entertainment, AV and multimedia installations where additional cable length or equipment adaptation is required. It is supplied in a practical pack of 10, making it suitable for installers, AV engineers and maintenance professionals.
Manufactured with a durable metal body, the coupler offers excellent mechanical strength and long-lasting performance in both permanent and temporary installations. Precision-engineered RCA sockets ensure a secure connection, helping to maintain consistent audio and video signal transmission whilst reducing the likelihood of loose or intermittent connections.
Its compact inline design enables fast plug-and-play installation without the need for specialist tools, soldering or cable termination. Simply connect two RCA male cables to create a longer cable run or adapt existing equipment connections, making it ideal for maintenance, testing and system upgrades.
KEY FEATURES
- Professional RCA female to female inline coupler
- Connects two RCA male plugs
- Suitable for analogue audio and composite video signals
- Durable metal body construction
- Precision-engineered RCA female sockets
- Reliable audio and video signal transmission
- Compact inline design
- Quick plug-and-play installation
- No crimping, soldering or specialist tools required
- Ideal for CCTV and surveillance systems
- Compatible with televisions, DVD players and media equipment
- Suitable for amplifiers, AV receivers and speakers
- Perfect for extending existing RCA cable connections
- Suitable for residential, commercial and industrial installations
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