COFDM വയർലെസ് AV SD 720P വീഡിയോ ട്രാൻസ്മിറ്റർ റിസീവർ ട്രാൻസ്മിഷൻ എൻക്രിപ്ഷൻ H.264 COFDM-912 ലെ NLOS സംയോജിത CVBS
$590.00 – $780.00
COFDM Wireless AV SD 720P Video Transmitter
COFDM Wireless AV SD 720P Video Transmitter Receiver Transmission composite CVBS in H.264 COFDM-912
പോയിന്റുകൾ വിൽക്കുന്ന
പിന്തുണ Encryption
1W RF output;
ൽ എസ്.ഡി 720 സമ്മേളന ച്വ്ബ്സ്
പിന്തുണ ംലൊസ് LOS transmission
H.264 ആയി / MPEG-2;
കാലതാമസം <300 മില്ലി;
COFDM-912T adopts advanced COFDM (multi-carrier modulation technology), which integrates transmitting antenna, digital modulation, and audio and video digital compression. It has a small size and long transmission distance. Modular combined design can be used with secret shooting clothes and small cameras, can realize hidden on-site high-definition image collection and transmission. It is a highly integrated mobile non-line-of-sight digital mobile video wireless image transmission equipment that can transmit real-time and stable audio and video in high-speed movement and under the condition of urban buildings.
The transmission system can reach a transmission distance of more than 500 മീറ്റർ and a line of sight of more than 10 kilometers under general blocking conditions. Using high-gain directional antennas or omnidirectional antennas can further increase the transmission distance. If you need a longer transmission distance, you can use the existing wired network, mobile communication (satellite), and use our company’s portable relay transmission equipment or vehicle-mounted wireless video transmission system for relay transmission. The transmission distance of the system can be Reach more than 20 kilometers.
There are 2 different powers for the secret shot type equipment (0.5W and 1W@average power PA). The greater the power, the stronger the signal penetration and the longer the transmission distance.
Transmission distance: visual environment ≥ 2km. Blocking environment: ≥500m (different depending on the environment)
സവിശേഷത
- Highly integrated, modular design
- Adopt COFDM.cn modulation technology, MPEG-2 image compression technology
- All-round communication, not afraid of building walls
- High-speed inter-line communication, real-time, stable DVD image quality for audio/video transmission
- Heat sink aluminum housing, shockproof and shock-resistant
- High fidelity digital stereo transmission
- Non-line-of-sight (ംലൊസ്) mobile transmission for longer distance
അപ്ലിക്കേഷനുകൾ
This product is mainly used for technical reconnaissance and forensics in the military and security inspection departments. Radio and television broadcast, radio and television live broadcast: broadcasting field, sports broadcast, social news, aerial live, studio, mountain adventure, ഇത്യാദി. It is suitable for real-time mobile transmission of high-quality images in many complex environments such as urban, marine and mountainous.
For drone ( recommend to add extra wave filters, need extra cost )
For CCTV
വിവരണം
Transmitter:
പ്രവർത്തിക്കുന്ന വോൾട്ടളവ്: DC11V~DC13V
പ്രവർത്തിക്കുന്ന വോൾട്ടളവ്: DC11V~DC13V
Working current: 2പ: ≤1.5A DC12V,
Transparent data interface: One-way transparent serial port transmission, 8-bit data bit, 1 stop bit, support odd parity, even parity, wireless check, baud rate: 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 230400
Encryption : Support 128-bit encryption
Modulation mapping: ക്പ്സ്ക് (4കമ്), 16കമ്, 64കമ്
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: 2കെ
Frequency bandwidth: 2/3/4/5/6/7/8M adjustable
Transport stream: 2000kbs~20000kbs adjustable
Transmit power: 1പ
Transmission frequency: stock product is around 300mhz which ranges 290-310MHZ ( 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 ), it can be customized at any frequency ( 170-860mhz ).
Power flatness: 10MHz in-band less than 0.2dB
Shoulder ratio: When the output power is 27dB, the shoulder ratio is better than -30dB.
Second harmonic: ≤-45dB
കൂടുതൽ: 32Db
Input video: 1വി.പി.-പി, 75 പരിഷ്കരണങ്ങള്
Video and audio interface frequency: RCA
Video encoding Format: MPEG-2
Image Quality: 720×576 when larger than 4M code stream
വീഡിയോ ഫോർമാറ്റ്: ംത്സ്ച്, PAL can be set
Protection standard: All-aluminum radiator type chassis, anti-corrosion, shockproof design
റിസീവർ:
frequency range: 170-860MHz VHF&ഉഹ്ഫ്
Frequency bandwidth: 2/3/4/5/6/7/8മെഗാഹെട്സ്, കമീകരിക്കുന്ന
RF input level : -94dBm~0dBm (at 8M bandwidth) /-98dBm~0dBm (2M bandwidth)
RF input impedance: 50 പരിഷ്കരണങ്ങള്
RF input connector: SMA female
Demodulation method: ചൊഫ്ദ്മ്
Constellation mode : ക്പ്സ്ക്, 16കമ്, 64കമ് (ഓപ്ഷണൽ)
Forward error correction: 1/2, 2/3, 3/4, 5/6, 7/8 (ഓപ്ഷണൽ)
Number of carriers: 2k,
Protection interval : 1/32, 1/16, 1/8, 1/4 (ഓപ്ഷണൽ)
Video decoding: MPEG-2MP@ML
സ്ക്രീൻ വീക്ഷണ അനുപാതം: 4:3 16:9
Video image: 720*576@6MHz
Video and audio output interface: സ്റ്റാൻഡേർഡ് 3.5 ഇന്റർഫേസ്
പ്രവർത്തിക്കുന്ന വോൾട്ടളവ് : ദ്ച്൧൨വ് <0.3ഒരു
ഓപ്പറേറ്റിങ് താപനില : -20 ° C ~ +50 ° C
പതിവുചോദ്യങ്ങൾ
ചോദ്യം: Does this video image transmission support 128-bit video encryption?
ഉത്തരം: സമ്മതം, please check how to set encryption by configuration board at the below video link
ഗാലറി
720 transmission picture effect like the below picture
Do you have any questions, ക്ലിക്ക് ചെയ്യുക ഇവിടെ ഒരു ചോദ്യം ചോദിക്കാൻ.
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അവലോകനം ചെയ്യുന്ന ആദ്യയാളാകൂ "COFDM വയർലെസ് AV SD 720P വീഡിയോ ട്രാൻസ്മിറ്റർ റിസീവർ ട്രാൻസ്മിഷൻ എൻക്രിപ്ഷൻ H.264 COFDM-912 ലെ NLOS സംയോജിത CVBS”
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യഥാർത്ഥ വില ആയിരുന്നു: $99.00.$29.00ആണ് നിലവിലെ വില: $29.00.
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