COFDM Series Long Distance HD Video Transmission Radio from China Suppliers | Factory Direct Solutions for Unidirectional & Bidirectional Data
Characteristic
Product Models
Technical Specifications
| Operating Frequency | 300-350MHz or 560-610MHz (200MHz-2.7GHz can be customized) |
| Transmitting Power | 1W/5/10W |
| Receiving Sensitivity | -106dBm@2MHz |
| Modulation Coding | QPSK/16QAM/64QAM |
| Rf Bandwidth | 2-8MHz adjustable |
| Transmission Stream | 2-20Mbps adaptive |
| Forward Error Correction | 1/2、2/3、3/4、7/8 |
| Protection Interval | 1/4、1/8、1/16、1/32 |
| Carrier Number | 2K |
| Power Flatness | Less than 0.2db in 10MHz band |
| Shoulder Ratio | When the output power is 27 dB, the band to shoulder ratio is better than - 30 dB |
| Second Harmonic | ≤ -65dB |
| Mer | 32dB |
| Transmission Distance |
1w: above 20km 5W: above 50km, 10W: above 100km (sight distance) |
| Video Input |
HDMI/SDI/CVBS: 720x480 60I(NTSC)、720x576 50I(PAL)、720 50P、720 60P、1080 50I、 1080 60I、1080 24P、1080 50P、1080 60P (CVBS video input N/P adaptive) |
| Video Output | HDMI / RJ45 IP simultaneous output |
| Video Stream | 2-20Mbps(H.264/H.265) |
| Video Input Interface | HDMI/CVBS(Low latency) |
| Video Output Interface | HDMI |
| Video Coding Format | H264+(HDMI)/H.265(CVBS） |
| System Delay | Less than 180ms (CVBS end-to-end low latency less than 120ms) |
| Video Delay | Less than 250ms |
| Encryption Method | 128 bit AES encryption |
| Protection Standard | All aluminum radiator shell, anti-rust, shockproof design |
| Operating Temperature/Voltage | -30℃~+70℃、11-16V |
| Operating Current | 1W/Receive/5 W/10W/CVNS 3W Receive: 1.3A/0.35A/2.8A/5.9A/1.7A@12V) |
| Overall Dimension |
1W/Receive/5W/10W/CVBS3W Repeat: 10.8x8.2x2.8/13.6x11.7x3.4/10.8x9.0x2.8/19.6x14.6x3.4/6.7x4.8x2.3cm |
| Weight |
1W/Receive/5W/10W/CVBS3W Repeat: 233g/425g/289g/990g/80g |
| Control Interface | Standard RS232 interface, 8-bit data bit, 1-bit stop bit, even-check, baud rate: 19200 |
| Transparent Data Interface | A unidirectional transparent serial port transmission, 8 data bits, 1 stop bit, support odd check, even check, wireless check, baud rate: 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400 |
| Built-In Bidirectional Data Transmission Module |
410-480/840-845/902-928MHz, 3.6-19.2kbps conventional/ 19.2-230.4kbps frequency hopping, 1-2W, TTL/232/485/422, 3.3-30VDC |
| Power Consumption | ≤ 15W (1W radio), ≤ 35W (5W radio) |
Frequently Asked Questions
The transmission distance depends on the transmitter power: the 1W model covers over 20 km, the 5W model reaches over 50 km, and the 10W model can transmit over 100 km line-of-sight.
Yes, equipped with superior anti-multipath capabilities, the system operates reliably in complex operational scenarios and supports high-speed mobility exceeding 600 km/h.
It supports HDMI, HD-SDI, and CVBS video inputs across various resolutions (4K, 1080P/I, 720P, 576P) and provides simultaneous HDMI and RJ45 IP outputs on the receiver end.
The equipment incorporates industry-standard 128-bit AES encryption alongside multiple security mechanisms to effectively prevent signal interception and unauthorized reception.
Yes, it comes with a built-in bidirectional data module supporting 410-480/840-845/902-928MHz frequencies and serial protocols (TTL/RS232/RS485/RS422) for seamless telemetry integration.
While standard frequency options include 300-350MHz and 560-610MHz, custom frequency configurations anywhere between 200MHz and 2.7GHz can be tailored upon request.