Product overview
The DMKR 1.2GHz 9CH Analog Video Receiver Board is a receiver component, not a flight platform or airframe. It receives analog FPV video in the 1.2GHz band and passes it out through an AV interface. It is built for UAV systems that need steadier reception in difficult RF conditions. Its dual-layer PCB is designed to improve signal stability where interference is higher or transmission distances are longer. It has 9 selectable channels in the band and works with standard analog video transmission systems. It uses FM/PLL demodulation and has a rated sensitivity of -95dBm. The audio subcarriers are at 6.0MHz (AR) and 6.5MHz (AL).
For integration, the board accepts a wide 7–36V DC supply and draws (280±40)mA at 5V. It also has an on-board regulator output rated at 5V 1A. The antenna connects through an SMA connector, with a typical input impedance of 50Ω and a VSWR of 2:1. The video output impedance is 75Ω. The module measures 44×27×27mm and weighs 20g without the antenna. It is meant for goggles, portable receivers and lightweight UAV ground systems. With the IRC Tramp protocol, you can change frequency and power settings remotely through a flight controller or OSD interface. For tight spaces such as FPV goggles, the single-layer version is a smaller and lighter alternative to this dual-layer board.
Specifications
| Specification | Value & conditions |
|---|---|
| Frequency | 1.2GHz |
| Channels | 9CH |
| Sensitivity | -95dBm |
| Antenna Connector | SMA |
| Input Voltage | 7–36V DC |
| Power Consumption | (280±40)mA@5VAt 5V |
| On Board Regulator Output | 5V 1A RX |
| VSWR | 2:1 |
| Input Impedance | 50Ω, TypTypical value |
| Video Output Impedance | 75Ω |
| Audio Subcarrier Frequency | 6.0MHz(AR) / 6.5MHz(AL) |
| Demodulation System | FM/PLL |
| Weight | 20gWithout antenna |
| Dimensions | 44×27×27mm |
| PCB Design | Dual-layer PCB |
| Video Output | AV output |
| Control Protocol | IRC Tramp (remote frequency and power adjustment via flight controller or OSD) |
| Integration Targets | Goggles, portable receivers, lightweight UAV ground systems |
| Compatibility | Standard analog video transmission systems |
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