2008منتدى Monitors
Building a custom 2.4 GHz wireless video transmission system for camera monitoring
مضى على هذا 18 سنة. قد تكون المعدات والأسعار قد تغيّرت منذ ذلك الحين.
ما توصّل إليه النقاش
- A 2.4 GHz wireless video system can be built using standard electronic components housed in small project boxes, with the transmitter measuring approximately 95x120x30mm and weighing around 300g.
- The 2.4 GHz frequency band is prone to interference from nearby electronics such as microwave ovens, which can cause visible artifacts on the monitor display.
- Video input can be accommodated through BNC or phono connectors, with unused input connectors serving as video outputs for splitting signals.
- The system can be powered via various connectors including 4-pin XLR and 2.5mm barrel connectors, with internal voltage regulation supporting input voltages up to 35V.
- Receiver mounting to an inexpensive LCD display is feasible for basic monitoring purposes.
- Reception reliability can be improved by mounting antennas as high as possible to maintain line-of-sight propagation, using directional antennas, or implementing a diversity receiver system.
- Velcro provides an effective mounting solution for wireless receiver equipment.
يعتمد على
- System was built in 2008 using technology from that era.
- Interference from 2.4 GHz band usage remains a persistent limitation.
- Author was still gaining experience and only working on low-profile projects at the time of posting.
- No performance metrics or range specifications were provided.
- Mounting solutions were improvised and not finalized.
- Suggestions for antenna improvements and diversity reception were mentioned but not confirmed as implemented.