Product Appearance
Interface Description
| No. | Item | Function | |
| 1 | RX ANT A | Receive antenna A port (SMA-F) Impedance 50Ω | |
| 2 | RX ANT B | Receive antenna B port (SMA-F) Impedance 50Ω | |
|
3 |
ENC SW |
Encoding switch, rotate left and right to adjust the frequency point. (Press briefly to switch frequency bands; press and hold for 3 seconds to lock the screen, then press again for 3 seconds to unlock.) | |
| 4 | DC IN | DC 7-35V input, Max≤36V. | |
| 5 | AV OUT | Video output, amplitude 1Vp-p | |
|
6 |
OLED |
BAND | Operating frequency band |
| FREQ | Operating frequency（MHz） | ||
| RSSI | Received Signal Strength Indication | ||
 |
Screen lock icon | ||
AV Output Definition
Recevier Operating Channel Table
| Channel Band | CH1 | CH2 | CH3 | CH4 | CH5 | CH6 | CH7 | CH8 |
| BAND A | 5865 | 5845 | 5825 | 5805 | 5785 | 5765 | 5745 | 5725 |
| BAND B | 5733 | 5752 | 5771 | 5790 | 5809 | 5828 | 5847 | 5866 |
| BAND E | 5705 | 5685 | 5665 | 5645 | 5885 | 5905 | 5925 | 5945 |
| BAND F | 5740 | 5760 | 5780 | 5800 | 5820 | 5840 | 5860 | 5880 |
| BAND R | 5658 | 5695 | 5732 | 5769 | 5806 | 5843 | 5880 | 5917 |
| BAND L | 5333 | 5373 | 5413 | 5453 | 5493 | 5533 | 5573 | 5613 |
| BAND X | 4990 | 5020 | 5050 | 5080 | 5110 | 5140 | 5170 | 5200 |
| BAND H | 5653 | 5693 | 5733 | 5773 | 5813 | 5853 | 5893 | 5933 |
| BAND U | 5325 | 5348 | 5366 | 5384 | 5402 | 5420 | 5438 | 5456 |
| BAND O | 5474 | 5492 | 5510 | 5528 | 5546 | 5564 | 5582 | 5600 |
Receiver Parameters
| Item | Min. | Median | Max. | Test Conditions |
| Freq | 4990MHz | 5474MHz | 5945MHz | |
| Input Impedance | 50Ω | Antenna port impedance | ||
| Operating Voltage | DC 7~ 35V | |||
| Operating Current | 0.18A | Power supply 12V Data | ||
| Receiver Sensitivity | -95dBm±2 | |||
| Video Amplitude | 1Vp-p | |||
| Max. Input | 10dBm | Max. Input Wattage | ||
| Weight | 120g | |||
| Dimension | 83*61*25mm | |||
| Operating Temperature | -20℃ | 25℃ | 75℃ | |
| Operating Humidity | 10% | 50% | 95% | |
| Storage Environment | -40℃ | 25℃ | 90℃ | Storage Temperature |
Legal Disclaimer
Important Notice on Radio Frequency Usage
1.DMKR high-performance VRX Box modules are powerful RF instruments.Designed for specialized industrial, research, and laboratory applications. By purchasing this product, the buyer acknowledges and agrees to the following:
2.Regulatory Compliance: It is the buyer’s sole responsibility to ensure that the operation of this device complies with local laws, radio frequency regulations, and licensing requirements in their respective country or region.
3.Professional Use Only: This equipment should only be operated by qualified professionals. DMKR is not liable for any legal consequences, fines, or damages resulting from illegal or improper use.
4.Frequency Licensing: The 7.2GHz band may be restricted or require a specific technician’s license for operation. Please consult your local telecommunications authority (e.g., FCC, OFCOM, BNetzA) before powering on the device.
5.Risk of Misuse: The user assumes all risks associated with the deployment of this hardware. DMKR does not authorize the use of these devices in prohibited areas, including but not limited to, near airports or restricted government airspace.
6.No Liability: In no event shall DMKR be held liable for any direct, indirect, or incidental damages, including hardware failure of the UAV/UGV or legal intervention, arising out of the use or inability to use this product.
7.Safety Warning: High-power RF devices generate significant heat and radiation. Ensure proper thermal management and maintain a safe distance during operation.
8.Hardware Modification: Unauthorized modification of the firmware or hardware may void compliance certifications and safety protections.
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