COFDM Wireless AV SD 720P Video Transmitter
COFDM Wireless AV SD 720P Video Transmitter Receiver Transmission composite CVBS in H.264 COFDM-912
امتیاز فروش
پشتیبانی کنید رمزگذاری
1W RF output;
SD 720P composite CVBS in
پشتیبانی کنید NLOS انتقال LOS
H.264/MPEG-2;
Delay <300 Millisecond;
ویژگی
- Highly integrated, modular design
- Adopt COFDM.cn modulation technology, MPEG-2 image compression technology
- ارتباط همه جانبه, از ساختن دیوارها نمی ترسیم
- ارتباط بین خطی با سرعت بالا, زمان واقعی, کیفیت تصویر DVD پایدار برای انتقال صدا/تصویر
- Heat sink aluminum housing, ضد ضربه و مقاوم در برابر ضربه
- High fidelity digital stereo transmission
- غیر خط دید (NLOS) mobile transmission for longer distance
برنامه های کاربردی
This product is mainly used for technical reconnaissance and forensics in the military and security inspection departments. پخش رادیو و تلویزیون, پخش زنده رادیو و تلویزیون: broadcasting field, sports broadcast, social news, زنده هوایی, استودیو, ماجراجویی کوهستانی و غیره. It is suitable for real-time mobile transmission of high-quality images in many complex environments such as urban, marine and mountainous.
برای پهپاد ( recommend to add extra wave filters, need extra cost )
For CCTV
مشخصات
Transmitter:
Operating Voltage: DC11V~DC13V
Operating Voltage: DC11V~DC13V
Working current: 2دبلیو: ≤1.5A DC12V,
Transparent data interface: One-way transparent serial port transmission, 8-bit data bit, 1 کمی توقف, از برابری فرد حمایت می کند, حتی برابری, بررسی بی سیم, نرخ باد: 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 230400
رمزگذاری : پشتیبانی از رمزگذاری 128 بیتی
نقشه برداری مدولاسیون: QPSK (4QAM), 16QAM, 64QAM
Forward error correction: 1/2 2/3 3/4 5/6 7/8
Protection interval: 1/32 1/16 1/8 1/4
Number of carriers: 2ک
Frequency bandwidth: 2/3/4/5/6/7/8M adjustable
Transport stream: 2000kbs~20000kbs adjustable
انتقال قدرت: 1دبلیو
Transmission frequency: محصول موجود در حدود 300 مگاهرتز است که محدوده 290-310 مگاهرتز است ( for many obstacles such as on-ground ) around OR 600mhz with range 590-610mhz around ( for a little obstacle such as in drone in the sky ), می توان آن را در هر فرکانس سفارشی کرد ( 170-860مگاهرتز ).
Power flatness: 10مگاهرتز درون باند کمتر از 0.2dB
Shoulder ratio: وقتی توان خروجی 27 دسی بل باشد, نسبت شانه بهتر از -30dB است.
Second harmonic: ≤-45dB
MER: 32DB
ویدئوی ورودی: 1Vp-p, 75 ohms
فرکانس رابط صوتی و تصویری: RCA
فرمت رمزگذاری ویدیو: MPEG-2
Image Quality: 720× 576 وقتی بزرگتر از 4M جریان کد
فرمت ویدیویی: NTSC, PAL can be set
Protection standard: شاسی از نوع رادیاتور تمام آلومینیومی, ضد خوردگی, shockproof design
گیرنده:
frequency range: 170-860مگاهرتز VHF&UHF
Frequency bandwidth: 2/3/4/5/6/7/8مگاهرتز, adjustable
RF input level : -94dBm~0dBm (at 8M bandwidth) /-98dBm~0dBm (2پهنای باند M)
RF input impedance: 50 ohms
RF input connector: SMA female
Demodulation method: COFDM
Constellation mode : QPSK, 16QAM, 64QAM (اختیاری)
Forward error correction: 1/2, 2/3, 3/4, 5/6, 7/8 (اختیاری)
Number of carriers: 2k,
Protection interval : 1/32, 1/16, 1/8, 1/4 (اختیاری)
Video decoding: MPEG-2MP@ML
نسبت ابعاد صفحه نمایش: 4:3 16:9
Video image: 720*576@6 مگاهرتز
رابط خروجی تصویر و صدا: استاندارد 3.5 رابط کاربری
Operating Voltage : DC12V <0.3الف
دمای عملیاتی : -20 درجه سانتی گراد ~ +50 درجه سانتیگراد
سوالات متداول
گالری
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isdb-t.com_buyer –
This COFDM-912 wireless video system is an absolute game-changer for my live event productions! The setup was surprisingly straightforward. I connected my camera’s composite (CVBS) output to the transmitter, روی گیرنده روشن می شود, و تقریباً فوراً به هم متصل شدند. The most impressive feature is the incredible NLOS (Non-Line-of-Sight) performance; یک سنگ جامد را حفظ می کند, high-quality 720p video feed even when transmitting through walls and around corners, which is a huge advantage over other systems. The H.264 encoding ensures the video is sharp and the latency is very low. من با استفاده از آن به لطف رمزگذاری انتقال احساس امنیت می کنم, knowing my video feed is protected. برای هر کسی که نیاز به اعتماد دارد, امن, and professional-grade wireless video transmission, این واحد ارزش هر پنی را دارد و عملکرد بی عیب و نقصی دارد