Pemancar transmisi gambar nirkabel digital HD

Pemancar transmisi gambar nirkabel digital HD ST220 papan pengkodean bawaan、Modul modulasi COFDM、Modul penguat daya PA ukuran kecil，Seluruh mesin mengadopsi cangkang paduan aluminium CNC，volume kecil，ringan，Resolusi transmisi tinggi，Jarak peluncuran yang jauh。

• COFDMmodulasi。
• Pengkodean video H265/H264，Defaultnya mendukung hingga 1080P/I @60fps。
• Enkripsi AES256。
• Mendukung transmisi seluler berkecepatan tinggi non-line-of-sight。
• Titik frekuensi tengah、lebar pita nirkabel、Aliran kode transmisi, dll. dapat dikonfigurasi。

ST220Spesifikasi teknis utama

Pemancar ST220 dapat dicocokkan dengan penerima SR300、Penerima SR110、Penggunaan penerima SR200。Pemancar ST220 dan penerima SR300 transmisi nirkabel point-to-point video H265，Penundaan video umumnya antara 200~300ms(Tidak termasuk penundaan kamera)。Pemancar ST220 dipasangkan dengan penerima SR110，Saat melakukan transmisi dalam mode latensi rendah H264，Penundaan video umumnya antara 50~130ms(Tidak termasuk penundaan kamera)。

ST220Sinyal antarmuka pemancar

Pemancar ST220

Antarmuka masukan AV：

Antarmuka masukan SD，4Soket jarak PIN 1,5 mm，Audio mendukung input Mikrofon masuk atau Saluran masuk(Ditentukan di pabrik)。Format PAL atau NTSC dapat diatur melalui panel parameter。

Antarmuka CFG：

Konfigurasikan port serial(Kontrol-uart)，4Soket jarak PIN 1,5 mm，Tingkat TTL 3.3V。Sinyal 5V digunakan untuk memberi daya pada panel parameter saat memasangnya.。

Antarmuka data：

Port serial transmisi data transparan satu arah(Data-uart)，Data port serial akan dikirim satu arah ke port serial data penerima yang sesuai melalui tautan nirkabel COFDM.。3Soket jarak PIN 1,5 mm，Pengiriman default adalah level TTL 3.3V，Ini juga dapat ditentukan sebagai port serial level RS232 standar pada saat pengiriman.。

Bekerja ringan：

Ikhtisar

Itu ST220 HD Digital Wireless Image Transmission Transmitter adalah kompak, high-performance device designed to deliver reliable wireless video transmission for professional applications. By integrating a built-in COFDM modulation module, sebuah H.265/H.264 video encoding board, dan sebuah -Ukuran kecil modul power amplifier PA, the ST220 achieves stable long-distance video transmission in a rugged, paket ringan.

The transmitter adopts a CNC aluminum alloy housing, ensuring durability, excellent heat dissipation, and lightweight design suitable for airborne applications. Dengan dukungan untuk definisi tinggi (HD) and standard-definition (SD) input video, configurable transmission parameters, and multiple frequency bands, the ST220 offers a flexible solution for drone operations, field broadcasting, pengawasan, and other wireless video applications.

Paired with receivers such as the SR300, SR110, or SR200, the ST220 enables real-time video transmission with selectable latency modes. Depending on configuration, latency can be reduced to as low as 50–130 mdtk for critical low-delay applications or maintained at 200–300 ms in high-compression modes for bandwidth optimization.

Fitur Utama

• Modulasi COFDM: Memastikan kuat, stable transmission in both line-of-sight (THE) dan tidak saling berhadapan (NLOS) lingkungan.
• Pengkodean Video: mendukung H.265 (berharap) atau H.264 (AVC) pengkodean, with default transmission up to 1080P/I @ 60 fps.
• enkripsi: Bawaan Enkripsi AES-256 guarantees secure video and data links.
• Input video yang fleksibel: Standard HDMI input for HD signals, and CVBS/analog input for SD video sources. Automatic input detection with HDMI preference, or configurable for AV priority. Optional dual-input encoding available.
• Transmisi data transparan: One-way transparent serial data channel (UART), configurable for TTL 3.3V atau RS232 tingkat, enabling simultaneous data communication along with video.
• Customizable Frequency: Wide range of selectable frequency bands between 200–860 MHz, with configurable center frequency and fine-tuning step of 1 kHz.
• Transmission Power Options: Dapat dipilih 1 W (30 dBm) atau 2.5 W (34 dBm) RF output for extended range.
• Dukungan audio: Embedded HDMI audio or analog stereo audio input (Mic/Line-in selectable).
• Desain Kasar: CNC-machined aluminum shell provides heat dissipation, daya tahan, and compactness.
• Kompak & ringan: Ukuran 104.5 × 50 × 27 mm, weight less than 140 g, making it suitable for drone payloads.
• Configurable Parameters: Pengaturan modulasi (Bandwidth, coding rate, konstelasi), frekuensi kerja, and FEC ratios are fully adjustable via configuration tools.
• Low Latency Modes: When paired with compatible receivers, latency can be as low as 50 Nona, Cocok untuk FPV, drone piloting, atau pemantauan waktu nyata.

Spesifikasi teknis

Wireless Modulation & Penularan

• Modulasi: COFDM
• Bandwidth: Dapat disesuaikan dari 1 MHz untuk 8 MHz
• Konstelasi: QPSK, 16QAM, 64QAM
• FEC (Koreksi Kesalahan Teruskan): 1/2, 2/3, 3/4, 5/6, 7/8
• Interval penjaga: 1/32, 1/16, 1/8, 1/4
• Configurable coding ratio: 2K

bekerja Frekuensi

• Standard Bands:
  • 300–360 MHz
  • 350–400 MHz
  • 450–500 MHz
  • 520–560 MHz
  • 580–620 MHz
  • 680–720 MHz
  • 820–860 MHz
• Kustomisasi: Other frequencies from 200–860 MHz available upon request
• Step size: 1 kHz configurable center frequency

Daya pancar

• 1 W (30 dBm) atau 2.5 W (34 dBm) dapat dipilih

Video & Pemrosesan audio

• Input video: HDMI (HD) dan CVBS analog (SD)
• Supported Formats:
  • 1080P/I @ 60/50 fps
  • 720P @ 60/50 fps
  • SAHABAT (720×576 @ 50i)
  • NTSC (720×480 @ 60i)
• Pengkodean Video: H.265 / H.264
• input Audio: HDMI embedded or analog audio (Mic-in/Line-in selectable)
• Format audio yang: AAC, 16-bit stereo

Antarmuka

• Input HDMI: Standard HDMI port
• SD Video Input: 4-pin, 1.5 mm pitch connector
• Transparent Data UART: 3-pin, TTL 3.3V (kegagalan), opsional RS232
• Configuration Port: 4-pin, TTL 3.3V, compatible with parameter panel or PC connection
• Input daya: Konektor XT30PW-M (DC 12V, 11–13V range)
• Antena: konektor SMA (pria, inner pin)

Indikator

• daya LED: Merah, always on when powered
• Link LED: hijau, blinks during wireless transmission activity

Kekuasaan & Konsumsi

• pasokan Tegangan: DC 12V (11–13V)
• Konsumsi:
  • ≤15 W @ 1 Output W RF
  • ≤23 W @ 2.5 Output W RF

Fisik

• Ukuran: 104.5 × 50 × 27 mm (excluding connectors and mounting points)
• Berat: <140 g

Performance with Receivers

• ST220 + SR300 Receiver:
  • Point-to-point H.265 transmission
  • Typical latency: 200–300 ms (excluding camera delay)
• ST220 + SR110 Receiver:
  • Low-latency H.264 transmission mode
  • Typical latency: 50–130 mdtk (excluding camera delay)
• ST220 + SR200 Receiver:
  • Standard COFDM reception with configurable settings

Aplikasi

The ST220 HD digital wireless image transmission transmitter is designed for professional video transmission dalam lingkungan yang menuntut. Its combination of compact design, high-resolution support, and configurable transmission options make it suitable for:

• Industri & Commercial UAVs: Long-distance wireless video backhaul for drones in mapping, inspeksi, and surveying.
• Siaran & Media: Wireless camera links for live events, olahraga, and news gathering.
• Keamanan & Penegakan hukum: Mobile video transmission for surveillance vehicles, Operasi Lapangan, or public safety drones.
• Pencarian & Operasi Penyelamatan: Reliable video feeds in disaster zones or remote areas.
• Pertahanan & Pengintaian: Tactical UAV or ground unit video transmission with secure AES-256 encryption.

Konfigurasi opsional

• Band frekuensi: Customizable bands from 200–860 MHz.
• Port Data: Configurable as TTL (kegagalan) or RS232.
• Video Input Priority: HDMI atau AV (factory-configurable).
• Dual-Video Input Mode: Optional dual-input encoding and transmission.
• Daya pancar: 1 W (daya rendah) atau 2.5 W (kekuatan tinggi).
• Kompatibilitas Penerima: Compatible with SR110, SR200, SR300 models depending on latency and resolution needs.