COFDM Wireless Downlink Transmitter
COFDM wireless digital video transmitter was designed for use with HD or SD cameras, it’s a superior miniature wireless video transmitter designed to capture real-time, high-quality video from Point of View Cameras, UAV / UGV / Body Cams / Concealments, lan kamera olahraga. The transmitter features HDMI or SDI or AV inputs with COFDM modulation technology and H.264/H.265 encoding that complete video audio transmission in high-speed motion and NLOS (non line of sight) kahanan karo latensi kurang. COFDM wireless transmitter delivers up to 27dBm/30dBm/34dBm(different model) of power in a small metal case weighing less than 150 gram, providing long range, transmisi video HD dipercaya.
- COFDM modulation and H.264/H.265 video compression;
- Resolusi Full HD, 1080i/P @60fps;
- Great security by AES encryption;
- Desain modular lan terpadu banget;
- Stable signal transfer in NLOS and high speed moving.
- Frekuensi kerja sing bisa diatur, band width, tarif bitstream, daya RF, etc.
Now we have several models COFDM transmitter (in different RF power and video input interface with the same technology solution which lists below) ready to ship. We can also customize wireless COFDM transmitter according to your requirements based on our modules very quickly.
| COFDM Transmitter Model | ST100 | ST200 | ST210-HDMI | ST210-SDI |
| input video | Mini HDMI or AV | HDMI or AV + Ethernet | HDMI or AV | SDI or AV |
| Video encoder | H.264 | H.264 | Pita frekuensi | Pita frekuensi |
| Maximum RF Power | 500MW | 1W/2.5W | 1W/2.5W | 1W/2.5W |
| konsumsi daya | <1Persiyapan pemancar lengkap karo Sihid Config Panel utawa PC utawa piranti liyane liwat Kontrol UART | <1.3A/2.1A@12V | <1.3A/2.1A@12V | <1.3A/2.1A@12V |
| bobot | 135g | 140g | 137g | 139g |
| Ukuran | 74x68x24.7mm | 106×63.4x27mm | 104.5x50x27mm | 104.5x50x27mm |
All of Sihid COFDM wireless transmitters are consist of three modules, H264/H.265 video encoder module, COFDM modulation module and power amplifier. All of Sihid COFDM transmitters use the same modulation module(Sihid RCB Module),the same H264 video encoder solution in different board model. All of the transmitters can be setup with Sihid Config Panel or Windows PC via control UART.
COFDM wireless transmitter Specification:
IO
| HD Video input | HDMI/SDI/Ethernet(Specify in different model) |
| Composite Video input | NTSC or PAL |
| data UART | Nganti 115200 baud Selectable |
| Kontrol UART | UART setup from Config Panel or PC or other device |
| Daya ing | DC supply |
| 211g MPEG4/H.264 I Extender Liwat Manajemen W-e-b NMS Ngonversi HD-MI menyang DVB-T liwat Coaxial 1080P V302WT CATATAN PENTING | SMA |
modulasi
| Modulation Formats | COFDM(DVB-T) |
| Pembawa | 2K |
| bandwidth | Configurable saka 1MHz kanggo 8MHz, langkah dening 1KHz |
| FEC | 1/2, 2/3, 3/4, 5/6, 7/8 |
| interval njaga | 1/32, 1/16, 1/8, 1/4 |
| Constellation | QPSK, 16Qam, 64Qam |
| Bitrate | 0.5Mbps nganti 31,67 Mbps |
RF
| Bands frekuensi | Pita frekuensi: 300~360 MHz, 350~400MHz, 450~500MHz, 520~560MHz, 580~620MHz, 680~720MHz, 820~ 860MHz, (customizable from 200~860MHz) |
| Ukuran Tuning Step | 1kHz |
| Power out | 27dBm, 30dBm, 34dBm(Specify in different model) |
Video lan Audio
| input video | HDMI/SDI(Pita frekuensi) utawa CVBS, Pita frekuensi |
| format video | 1080Pita frekuensi, 1080Pita frekuensi, 1080Pita frekuensi, 1080Pita frekuensi, 1080Pita frekuensi, 1080Pita frekuensi, 1080@50 aku, 1080Pita frekuensi, 720Pita frekuensi, 720Pita frekuensi, 720Pita frekuensi, …… 720*480 60Aku(NTSC), 720*576 50Aku(PAL) |
| Video Coding | Pita frekuensi |
| input Audio | Embedded HDMI/SDI or AV audio |
| Audio Coding | AAC, 16dicokot, stereo, 32Pita frekuensi |
| enkripsi | Pita frekuensi |
Performance
Video latency: about 200ms, when Sihid COFDM transmitter is paired with the receiver, the video(1080p60) latency from its inputting of the transmitter to the HDMI screen displaying of the receiver is about 200~250ms.
Wireless transmission range: this is relative with many conditions, the following data is just for your reference. When 1W(daya RF) COFDM transmitter paired with the receiver, 6bandwidth MHz, centre frequency 590MHz, 5 dBi omni antenna with 2 metres to the groud on both sides, the LOS(line of sight) transmission range is about 1km to 2km. When 1W(daya RF) COFDM transmitter paired with the receiver, 6bandwidth MHz, centre frequency 590MHz, 1.5 dBi omni antenna on the UAV(flying height 100 metre), kalih 7 dBi omni antenna with about 2 metre to the ground, the LOS(line of sight) transmission range is about 10km to 20 km.
Ngawasi lan kontrol
Comprehensive transmitter setup with Config Panel or PC or other device via Control UART.
sawetara suhu
Persiyapan pemancar lengkap karo Sihid Config Panel utawa PC utawa piranti liyane liwat Kontrol UART: 0Persiyapan pemancar lengkap karo Sihid Config Panel utawa PC utawa piranti liyane liwat Kontrol UART
syarat daya
Persiyapan pemancar lengkap karo Sihid Config Panel utawa PC utawa piranti liyane liwat Kontrol UART: 11Persiyapan pemancar lengkap karo Sihid Config Panel utawa PC utawa piranti liyane liwat Kontrol UART
ST100 Transmitter:
ST200 Transmitter:
ST210-HDMI Transmitter:
ST210-SDI Transmitter:
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Pemancar video nirkabel kita duwe jinis antarmuka input video iki: HDMI 1080P lan 4K HDMI, CVBS komposit, SDI, AHD, IP Ethernet, BNC, utawa ngomong apa jinis sampeyan kudu, engineer kita bakal ngowahi kanggo ketemu dikarepake.
Jarak transmisi kita bisa diatur kanthi nambah amplifier daya. Saiki, sing utama yaiku 15km, 30km, 50km, 80km, 100km , lan 150 km, kang gumantung ing kabutuhan pelanggan.
Mesthi wae, kadohan transmisi kadhaptar ndhuwur kabeh ing LOS kisaran line-of-sight. Yen ana alangan antarane pemancar lan panrima, NLOS (non-line-of-sight), kadohan transmisi wis suda banget, mung 1km utawa 2km, gumantung saka jumlah alangan penengah lan lingkungan nirkabel lokal.
siji-arah tegese, Kita mung bisa ngirim lan ngundhuh video utawa data saka pemancar video nirkabel menyang panrima ing siji arah, lan kita ora bisa ngunggah video utawa data saka panrima kanggo pemancar. Jinis iki uga disebut simplex.
Rong arah tegese, ora mung kita bisa ndownload video utawa data saka pemancar nirkabel menyang panrima, nanging uga kita bisa ngunggah video utawa data saka panrima kanggo pemancar. Iki cocok banget kanggo operasi drone. Sampeyan ora mung bisa ndeleng video wektu nyata sing dikirim saka drone, nanging uga upload printah kanggo ngontrol drone utawa printah kanggo ngontrol kamera PTZ kanggo nyetel amba kanggo pemancar. Iki bisa digunakake bebarengan. Jinis iki uga diarani half-dulpex utawa full-duplex.
Mangga dipriksa rincian ing link ngisor. https://ivcan.com/request-a-quote-of-wireless-video-transmission/#simplex
Umume pemancar video Nirkabel saiki ndhukung AES128 utawa AES256 enkripsi lan dekripsi bit, gumantung model sing sampeyan pilih. Hubungi kita kanggo verifikasi.
Frekuensi pemancar video nirkabel lan panrima video nirkabel bisa diowahi. Pangguna kudu tuku papan konfigurasi parameter tambahan.
Nanging, considering sing cocog power amplifier lan antena wis tetep ing sawetara tartamtu nalika barang dikirim metu. Yen pangguna nyetel frekuensi pemancar, sing cocog daya amplifier, antena pemancar lan antena panrima uga kudu diowahi kanggo frekuensi padha, lan pangguna iki kudu disiapake. Yen ora, bakal nyebabake frekuensi pemancar video nirkabel beda karo frekuensi antena, nggawe resepsi angel. Dadi manawa kanggo ngandhani frekuensi sing bener sing dibutuhake sadurunge nggawe pesenan.
Yen kanggo keamanan utawa rahasia, sampeyan bisa nggunakake enkripsi lan dekripsi fungsi pemancar lan panrima, sing bisa mesthekake yen transmisi video sampeyan pribadi. .
Ya, kabeh produk kita paramèter bisa selaras miturut kabutuhan customer. Yen sampeyan duwe panjalukan khusus, mangga kabari liwat link ing ngisor iki.
https://ivcan.com/request-a-quote-of-wireless-video-transmission/
- Ngganti panggonan panrima kanggo ngindhari gangguan lokal potensial saka lingkungan magnetik sing kuwat.
- Priksa manawa antena urip loro pemancar lan panrima vertikal.
- Mangga mundhakaken antena saka pemancar lan panrima kanggo njaga prabédan dhuwur tartamtu.
- Mangga katon watara kanggo mesthekake yen ora ana alangan antarane pemancar lan panrima.
- Ngganti orientasi saka antena panrima.
- Yen ora bisa, nyoba obah panrima supaya cedhak posisi pemancar kanggo ndeleng manawa ngluwihi jarak transmisi nirkabel sing efektif.
- Utawa nimbang nambahake relay saka transmisi antarane pemancar lan panrima.
- Antena kudu dhuwur banget saka lemah, amarga lemah bakal nyerep sinyal sing dikirim.
Mesthi wae, kita uga ngerti manawa pemancar lan panrima transmisi video nirkabel larang banget. Sampeyan adoh saka pabrik China. lan pangarep-arep yen barang sing ditampa cocog kanggo kinerja sing paling apik.
Yen sampeyan mbayar manungsa waé khusus kanggo parameter utawa fungsi tartamtu, kita bisa njupuk sawetara video test adhedhasar fitur sing pengin ndeleng, please aran gratis kanggo hubungi kita. Ora bakal dikirim langsung menyang sampeyan tanpa persetujuan sampeyan.
Kanggo nguji wektu tundha pemancar lan panrima video nirkabel, kita kudu nindakake loro tes.
Kapisan kanggo nyoba wektu tundha saka kamera menyang tampilan.
Sing nomer loro yaiku kamera, plus tampilan plus pemancar transmisi gambar nirkabel lan wektu tundha panrima.
Ngurangi asil tes loro kasebut yaiku wektu tundha nyata pemancar lan panrima video nirkabel.
Minangka pemancar video nirkabel HDMI jarak jauh profesional lan supplier panrima lan produsen ing China Shenzhen, kita ngasilake pemancar lan panrima video nirkabel paling apik sajrone pirang-pirang taun, lan kita entuk reputasi apik lan review paling apik.
Sawetara merek pemancar video nirkabel sing misuwur, kaya Blackmagic, Holyland mars 300 400s, Accsoon cine eye 5g, RavenEye, Zhiyun, Inkee benbox, actiontec, CVW SWIFT 800, dahua, iogear, Artek pat-225k, microlite, ngulu, teradec.
Pemancar video siaran nirkabel anggaran paling apik lan panrima duwe akeh aplikasi, kanggo 4k tv, Kamera keamanan CCTV, kamera cadangan kendaraan, Paket kamera video PTZ, baterei-powered, komputer, kamera sony, sistem konferensi video wifi, DSLR CANON Kab, drone UAV, laptop komputer pc, proyektor, ing-mobil, iPhone iPad, live streaming, Kamera olahraga GoPro, raspberry pi, Xbox.
Video full HD, audio, data link pemancar video nirkabel 1080P paling cilik lan panrima wis akeh konektor input lan output, kaya AV komposit CVBS, HDMI, SDI, BNC, VGA, USB.
Frekuensi TX RX pemancar video nirkabel nduweni 170-806Mhz, 1.2ghz, 2.4G, 5.8G, paling murah nanging ora nol latensi. Kanggo ndhukung jarak sing luwih dawa, amplifier daya wis 10w, 20watt, lan malah 30W.
Apa sing paling apik tuku pemancar video nirkabel FHD kanthi rega sing murah? Sampeyan kudu nimbang syarat rincian sampeyan, milih sing cocog, ora larang, yen sampeyan duwe mangu, please netepi njaluk kutipan wujud, engineer kita bakal menehi solusi.
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