جهاز التشفير الرقمي المغير HD-MI الموسع المتوافق مع ISDB-T TV RF المغير MJZSEE V2020I
- Model Number: V2020I
- Voltage: 12V
- Type: Digital
- Type1: البنك الإسلامي للتنمية-T
- ترميز الفيديو: MPEG2
- ترميز الصوت: الجميح للسيارات
- القنوات: 72 CH
- Bandwidth: 6M
- RF range: 177.143-857.143ميغاهيرتز
- مزود الطاقة: DC 12V 1A
- أبعاد: 70*66*27مم
- وزن: 130ز

This HD-IN extender over a coaxial cable can do digital coding processing from HD-MI signal with DTV technology.
The product adopts RF modulation technology characteristics to transmit multiple RF signals through one
standard coaxial cable for long-distance transmission without amplification.
The receiver can restore the high-definition video signal and transmit it to the TV or monitor.



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ملخص
The HDMI to ISDB-T video encoder converter box is a compact ISDB-T Digital Encoder Modulator that converts HDMI input signals into digital RF channels for coaxial transmission. Designed for ISDB-Tb in Brazil and ISDB-T in Japan, it supports up to 1080p HD video مع H.264/MPEG-4 ايه في سي by default, and also supports ترميز MPEG-2, ensuring full compatibility across both regions.
The V2020I is ideal for distributing HD video over existing coaxial networks without additional amplification, making it perfect for hotels, multi-dwelling buildings, corporate TV systems, or security monitoring setups.

الميزات الرئيسية
-
يدعم HDMI input up to 1080p resolution
-
DIP switch channel setting, easy configuration up to 72 القنوات
-
مستقر RF output level of 100 dBμV for long-distance coax transmission
-
Typical MER ≥ 35 ديسيبل ensures excellent modulation quality
-
Small, lightweight, و wall-mountable (70×66×27 mm, 130 ز)
-
Quick installation – ready to link in minutes
-
مثالية ل HD image distribution, adding channels to TV systems, and monitoring applications
-
Supports both H.264 and MPEG-2 video encoding, compatible with Brazil ISDB-Tb and Japan ISDB-T
تحديد
ترميز الفيديو
| المعلمة | مواصفة |
|---|---|
| الترميز | H.264/MPEG-4 ايه في سي (default), MPEG-2 supported |
| Input Interface | HDMI ×1 |
| Supported Resolutions | Input: 720@50/60p, 1080@50/60i/p,
الإخراج: max 1080@30p |
| System | بال/NTSC |
ترميز الصوت
| المعلمة | مواصفة |
|---|---|
| الترميز | الجميح للسيارات |
| Sample Rate | 48 kHz |
Modulator Section
| المعلمة | مواصفة |
|---|---|
| RF Range | 177.143 - 857.143 ميغاهيرتز (البنك الإسلامي للتنمية-T) |
| RF Output Level | 100 dBμV |
| Modulation Quality | MER Typ. 35 ديسيبل |
| القنوات | حتى 72 via DIP switch |
| Bandwidth | 6 ميغاهيرتز |
General
| المعلمة | مواصفة |
|---|---|
| مزود الطاقة | DC 12V 1A |
| أبعاد | 70×66×27 mm |
| وزن | 130 ز |
Package Includes
-
V2020I Modulator ×1
-
Power Supply ×1
-
Service Card ×1
التطبيقات
-
Monitor security cameras on domestic or communal TV systems
-
Distribute HD images for hotels, schools, and corporate buildings
-
Add extra channels to multi-dwelling or CATV TV systems
-
Digital signage and information channels in public spaces
التعليمات
س: Can the HDMI input ISDB-T RF output encoder be used in Japan?
أ: نعم. ال 1907 supports MPEG-2 video encoding, required by Japan’s ISDB-T system, و ح.264, used by Brazilian ISDB-Tb. This makes it compatible with both standards.
س: Can the HDMI to ISDB-T video encoder converter box be used for long-distance coaxial transmission?
أ: نعم. With 100 dBμV RF output, it ensures stable HD signal transmission over long coaxial runs without additional amplification.
س: Can it be used in DVB-T systems?
أ: No. it is designed specifically for ISDB-Tb and ISDB-T systems. Use a DVB-T compatible modulator for DVB-T.
س: How many channels can I set?
أ: حتى 72 القنوات using DIP switch configuration.
س: Do you have an SDI input ISDB-T output 6M encoder/modulator?
أهلاً, we are looking to buy some encoder/modulator ISDB-T for Argentina (6mhz), Maybe VHF or UHF channels. If we can choose, we prefer HD-SDI video input.
إجابة: نعم, please check the below model.
https://isdb-t.com/wp-content/uploads/2023/10/SDI-ISDB-T-User-Manual.pdf

أ: Sorry, the VCAN1907 does not have a firmware option to reduce latency. If you need a low-latency solution for professional video transmission, please consider our professional COFDM models:
👉 Modulator Demodulator Module Encoder Decoder HDMI/CVBS




















isdb-t.com_buyer –
The MJZSEE V2020I Encoder Modulator is an engineering marvel for modernizing legacy TV systems! Its ability to convert HDMI signals into ISDB-T RF output over existing coaxial cables is pure genius – we seamlessly distributed 4K content from our media player to every TV in our hotel without costly rewiring. The plug-and-play setup took minutes, and the signal stability is flawless, with zero latency or quality loss across 100+ rooms. Despite 24/7 operation, it runs cool and silent. This device single-handedly saved us thousands in infrastructure upgrades while delivering broadcast-grade HD quality. An absolute must-have for hotels, schools, or broadcasters bridging analog and digital worlds!