FAQ
Coaxial Cable, BNC Connectors and CCTV Tester Q&A
Practical answers on coaxial HD installation: cable length and gauge, solder-free versus soldered BNC connectors, converter cascading and loop-out, tester steps, and HDMI-to-coax bands.
Products
Video Converter
8MP AHD CVI TVI to HDMI VGA CVBS Converter
Supports coaxial analog HD feeds up to 8MP alongside 3MP and 5MP, re-timed to HDMI and VGA at 1080p/60 plus CVBS with one live loop-through port; peak draw 4 W, net weight 185 g.
CCTV Tester
7 inch IPS Touch Screen 5 IN 1 4K IP Camera Tester
Five test paths on a 7-inch 1920x1200 IPS touchscreen: H.265/H.264 IP streams, 8MP TVI and AHD heads, 4K main stream display, coax PTZ with OSD menus, plus record and playback.
CCTV Tester
7 inch IPS Touch Screen 6 IN 1 4K IP Camera Tester
Six signal families on one 7-inch 1920x1200 retina touch panel: 8MP TVI, CVI and AHD coax formats, SDI and EX-SDI feeds, legacy CVBS analog cameras and H.265 IP at 4K main stream.
CCTV Tester
7 inch IPS Touch Screen 4K IP Camera Tester
Record and replay on site from a 1920x1200 7-inch IPS panel testing H.265/H.264 IP cameras with 8MP TVI and AHD, showing 4K main stream video and driving coax PTZ plus OSD menus.
CCTV Tester
7 inch retina Touch Screen 4K IP Camera Tester
Beyond 8MP TVI, CVI and AHD checks on its 7-inch 1920x1200 retina touch panel, the unit adds RJ45 TDR cable fault ranging, dual-port IP and CVBS testing and Testerplay screen casting.
CCTV Tester
7 inch full funciton retina Touch Screen 4K IP Camera Tester
TDR V2.0 cable fault locating, a cable tracer, video level meter, digital multimeter and optical power with red light source, on a 7-inch retina touch panel that also tests 4K EX-SDI.
Network Camera
8MP AI Starlight Fixed Lens Waterproof IP Bullet Camera
Sony IMX415 starlight sensor drives the waterproof IP bullet at 3840x2160 @ 20 fps. 36 IR LEDs reach 20-30 m, H.265+ compression, human-form and region detection, PoE, IP66 rated.
Network Camera
8MP 10X Auto-Focus 5~50 MM Waterproof IP Bullet Camera
10x motorized zoom, a 5-50 mm lens cutting the horizontal view from 50.85 to 7.67 degrees on a 3840x2160 @ 20 fps IP bullet. Array IR lights 50-70 m, PoE supply, IP66 protection.
News / Knowledge Base
FAQ
Company News
CCTV Tester Use During On-Site Camera Acceptance
How the shipped CCTV testers work at coaxial and network points: multi-format image confirmation, coaxial control, cable checks and how the acceptance checklist is filled.
FAQ
Site Fault Q&A: No Picture, Jitter, Night Washout, Lost Channels
Troubleshooting by observed symptom: one channel with no picture, rolling borders, night-time washout, close-range white-out, a missing DVR channel and a USB image that stalls.
Standards & Protocols
PAL vs NTSC: TV System Differences and Band Naming
What separates PAL from NTSC in field frequency and frame rate, general mains habits by region, and the naming, pixel counts and bandwidth conversions of 720P, 960H, 1080P and higher bands.
New Products
8MP Coaxial HD Converter with VGA Output Enters Mass Production
The new converter maps 8MP TVI, AHD and CVI inputs to HDMI, VGA and CVBS outputs with a coaxial loop-through, covering port layout, resolution ranges and two retrofit wirings.
Standards & Protocols
ONVIF and RTSP Interoperability and Integration Order
Protocols and stream addresses as labelled on cameras, encoders and control keyboards, with a check order for cross-vendor work, quantified acceptance figures and fault isolation.
Technical Notes
PoE vs DC 12V Supply: Voltage Drop, Length, Headroom
A loop voltage-drop formula for centralised DC 12 V supply, a far-end voltage table by conductor gauge and length, the boundary between PoE 802.3af and at, and how to size power margin.
Technical Notes
Miniature Camera Focal Length vs Viewing Distance
Convert rated angles and sensor size into coverage width and pixel density for each focal length, with lens thresholds for pinhole cameras in kiosks, cabinets and indoor points.
Selection Guides
Coaxial HD vs Network Camera: Selection Criteria on Site
Field criteria for coaxial HD and network cameras across cabling, resolution bands, power supply and recorder, plus the converter models that bridge both systems.
Industry News
Coaxial HD from 2MP to 8MP: Cabling and Interface Changes
A review of the 2MP, 5MP and 8MP coaxial HD tiers and their frame-rate trade-offs, plus two ways to handle existing coaxial lines in retrofits and what to verify.
Industry Solutions
Project Cases
- Perimeter And Wash-Down Camera Selection At A Food Processing Plant
- Phased HD Retrofit Keeping The Coax Lines Of A 2008 Office Campus
- Camera Points And Hookups For A Garage Entrance, Ramp And Payment Window
- Night Perimeter And EV Charging Area Temperature Monitoring At A Bus Depot
Popular Products
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Share resolution, interface, power and mounting requirements, and we will recommend models with a quotation.
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