Czy potrzebujesz nadajnika i odbiornika HDMI 1080i50 H265 2,2-2,7 Ghz?
Potrzebuję HDMI 1080i50(SDI) connection with wireless capabilities, using H265 encoding, operating within the frequency range of 2.2 Do 2.7 GHz.What is the expected delay for your set?
Dla wireless video transmission system that meets the following specs:
- Wejście/wyjście: HDMI lub SDI (1080i50, broadcast TV standard)
- Kodek wideo: H.265 (HEVC)
- Zakres częstotliwości: 2.2 – 2.7 GHz (suitable for COFDM systems, licensed/regulated bands)
- Przypadek użycia: TV station, professional live broadcast
- Bezprzewodowy: Point-to-point or mobile (camera-to-base)
May I know that h265 vs lower latency, which is important for you? can not support both. Is 2.2-2.7G mandatory? The default frequency range is 170-860MHz. If 2.2G must be supported, then an up-converter must be used on the transmitter and an down-converter on the receiver. I will recommend a most suitable model Vcan1726.

Table of Contents
🎯 Typical System Latency (H.265, COFDM, 2.2–2.7 GHz)
| Część | Approximate Delay |
|---|---|
| H.265 Encoding | 50–150 ms (depends on hardware performance) |
| COFDM Transmission | 20–50 ms |
| H.265 Decoding | 30–100 ms |
| Total End-to-End Delay | ✅ 100–300 ms (best case: ~150 ms) |
⚠️ Key Factors Affecting Latency
- Encoder Type: FPGA-based or hardware SoC (np. CześćSilicon) performs faster than software encoders.
- Rezolucja & Liczba klatek na sekundę: 1080i50 is interlaced, and compression may introduce 1–2 frame delay.
- FEC & Interleaving (in COFDM): If Forward Error Correction is high (np. 3/4), latency increases slightly.
- Schemat modulacji: QPSK/16QAM/64QAM – higher modulation may increase complexity but allow better data rate.
- Wireless Conditions: Stronger signal = lower latency. Moving cameras or non-line-of-sight adds delay or jitter.
📦 If You Use a High-Performance H.265 COFDM Wireless Kit
- Expected latency:
🔵 150ms ±50ms (realistic for professional-grade equipment) - Ultra Low Latency Options (custom build or very high-end systems):
🟢 Down to 70–100ms, but usually with H.264 + reduced GOP + low-latency mode
✅ Example Use Case Performance
| Przypadek użycia | Latency Estimate |
|---|---|
| Fixed camera to OB van (linia wzroku) | ~150 ms |
| Handheld camera with movement, same band | ~200 ms |
| Through walls / NLOS | ~250–350 ms (may need signal repeaters) |

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