Description
Addressing the very pain points during drone manufacturing: the difficulty of motherboard development, the disordering of wiring, low reliability as well as low integration level, etc., this modular avionics motherboard provided by MMC UAV is the next-generation product that helps resolve all problems with its modular connections, tool-free detachable modules as well as compatibility with multiple peripherals. It supports various peripherals including 4G/5G modules, RTK/PPK base station, dual-channel video transmission, on-board computer, etc. which can be compatible with upcoming spares as well as standard payloads provided by MMC. In summary, it meets the different needs of various industry applications.
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Classification |
Overall motherboard |
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Overall hardware parameter |
Include all modules |
Image transmission module, Flight controller module, communication module, positioning module, power management, standard onboard computer |
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Mechanical Dimensions |
Motherboard size:240*130*34mm Motherboard mounting hole distance:233*123mm |
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Weight |
Weight Total weight:：510g |
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Power consumption |
Total power: 27w |
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Power supply |
12V/24V |
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Working Temperature |
-40°- 80° |
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Function description |
Black box |
Real-time recording of drone data, 4G data transmission to the base station |
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Health Management |
Health drone Status |
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ADS-B |
Accepts civil aviation information |
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Module USB |
View debugging interface |
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Flight controller USB |
View debug interface |
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SBUS toggle switch |
On-board and off-board switching |
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ESC |
8 Channels |
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Network |
6 channels |
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Power Input |
28-60V |
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Power Output |
12V-6A/24V-6A/5V-3.5A |
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CAN |
UAVCAN |
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HDMI |
Video Input |
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Normal I/O |
Flight Controller I/O |
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Voltage and current detection |
1 channel |
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SBUS Output |
SBUS Output |
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Multifunction Interfaces of Packaged Motherboards |
LAN |
On the packaged board, connected to the module |
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RS485/RS232 |
On the packaged board, connected to the module |
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USB2.0/3.0 |
On the packaged board, connected to the module |
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HDMI |
On the packaged board, connected to the module |
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HDMI |
On the packaged board, connected to the module |
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SBUS |
On the packaged board, connected to the module |
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CAN |
On the packaged board, connected to the module |
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UART |
On the packaged board, connected to the module |
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SEARCH_ID |
On the packaged board, connected to the module |
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I/O |
On the packaged board, connected to the module |
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Component module |
Hardware parameters |
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Hardware parameters |
Mechanical Dimensions |
85.5×42 ×33 mm |
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Main processor |
STM32F765◦32BitArm®Cortex®-M7，216MHz，2MB RAM，512KB RAM |
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Sensor |
IMU:ICM20689 |
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Magnetometer |
IST8310 |
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Barometer |
MS5611 |
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Weight |
91g |
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PM working voltage |
4.5 ~ 5.5 V |
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USB working voltage |
5V +- 0.25v |
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Power |
Power Input & Smart Battery |
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Operating temperature |
-40°- 80° |
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Function description |
Applicable models |
Multi-rotor/fixed-wing/helicopter/VTOL vertical take-off and landing/unmanned boat/unmanned vehicle, etc. |
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Component Module |
Dual power management modules |
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Hardware parameters |
Mechanical size |
16.5*35.7*33.5mm |
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Weight |
28.5g |
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Efficiency |
0.9 |
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Working conditions |
-20℃至70℃ |
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Overload |
15A@10s |
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Function description |
Conditions of Use |
12S battery is recommended |
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12V/24V Output |
On-board power supply and independent power supply |
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Protection function |
Under voltage protection, high temperature protection |
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Indicator |
Output Indicator |
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it will not start If the voltage is low |
If the battery voltage is lower than 40V, the module will not start. |
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Low ripple |
±2mV |
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Component module |
Image transmission module |
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Hardware parameters |
Mechanical Dimensions |
50 mm x 86 mm x 12.7mm |
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Weight |
70g |
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Power consumption |
3W |
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Power |
12V Power Input |
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Antenna Interface |
MCX-KE |
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Function description |
Image transmission distance |
20KM |
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Image mode |
HDMI/LAN dual interface |
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Indicator light |
Power supply display, frequency display, video display, network display |
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Dedicated interface |
HDMI |
HDMI video input |
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POWER |
POWER 12V power input (8V to 28V input) |
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SBUS |
SBUS signal |
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CAN |
Global communication |
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UART |
Communicate with flight control |
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LED OUT |
image transmission status signal, easy to connect to the outside of the drone to view the image transmission status |
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Frequency pairing |
The picture transmits the frequency pairing signal, which is convenient to connect to the outside of the aircraft for frequency pairing. |
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LAN |
is usually connected to a webcam |
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USB2.0 |
Firmware upgrade and debugging |
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Component Module |
Positioning Module - RTK |
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Hardware Parameters |
Mechanical Dimensions |
50 mm x 86 mm x 11.2mm |
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Weight |
60g |
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Power consumption |
2.8W（typical) |
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Powe |
Recommended: 12V power input (8V to 12V input) |
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Antenna interface |
MMCX |
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Indicator light |
Power supply display, PVT positioning indicator light |
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SD card |
Data storage |
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Function Description |
Multi-system multi-frequency high-precision positioning and orientation module |
Support system-wide multi-frequency RTK positioning and orientation, can be used as mobile station and base station |
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Dedicated interface |
POWER |
12V Power Input |
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CAN |
Global communication |
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UART1 |
Communicate with flight controller |
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Hot Shoe |
Hot shoe signal |
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PPS |
Connect with flight control |
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USB2.0 |
Data transfer, debugging |
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*UART2 |
Firmware upgrade and debugging |
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Component module |
Communication module (4G module) |
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Hardware Parameters |
Mechanical Dimensions |
50 mm x 86 mm x 13.1mm |
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Weight |
69g |
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Power consumption |
1.8W |
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Power |
12V power input (8V to 12V input) |
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Antenna interface |
MCX |
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Function description |
Indicator light |
Power supply display, network display, communication display |
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SD card |
Support |
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SIM card |
Support |
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Micro USB |
Typical USB Features |
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Dedicated interface |
RS232 |
RS232 Signal |
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POWER |
12V Power input |
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*SBUS |
SBUS Signal |
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CAN |
Global communication |
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UART |
Communicate with flight controller |
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LAN |
LAN access to webcam or switch |
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USB2.0 |
Typical USB Features |
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Component module |
Communication module (5G module) |
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Hardware Parameters |
Model |
Quectel RM500Q-GL |
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Mechanical Dimensions |
52.0 mm × 30.0 mm × 2.3 mm |
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Region/Carrier |
Worldwide (excluding US) |
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Module weight (g) |
8.7 |
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Supply voltage |
3.135~4.4 V，Typical 3.7 V |
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Power consumption |
70 μA @shutdown 4.0 mA @ sleep 32 mA @ USB 2.0, idle 54 mA @ USB 3.0, idle |
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Operating temperature |
-30 °C ~ +75 °C |
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Band information |
Supports comprehensive coverage of various network standards such as 5G and LTE-A |
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Data transfer rate (Max.) ① |
5G SA Sub-6丨 DL 2.1 Gbps; UL 900 Mbps |
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5G NSA Sub-6丨DL 2.5 Gbps; |
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LTE：DL 1.0 Gbps丨UL 200 Mbps |
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WCDMA：DL 42 Mbps丨UL 5.76 Mbps |
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Function description |
DTMF* |
Support |
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DFOTA* |
Support |
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(U)SIM Card detection |
Support |
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Dedicated interface |
(U)SIM |
x 2 (Dual card single standby) |
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USB 2.0 |
x 1 |
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USB 3.0/3.1 |
x 1 |
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PCIe 3.0 |
x 1 |
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PCM |
x 1 |
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Antenna interface |
Cellular Antenna: x 3 Cellular + GNSS L1 Antenna: x 1 |
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Component module |
Onboard computer |
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Hardware parameters |
Model |
NVIDIA Jetson Xavier NX |
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Dimensions |
69.6 mm x 45 mm 260-pin SO-DIMM connector |
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Power |
10 w | 15 w | 20 w |
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Function description |
AI Performance |
21 TOPS |
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GPU |
384 core NVIDIA Volta with 48 tensor cores |
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CPU |
Six NVIDIA Carmel ARM v8. 2 64 MB CPU 6MB L2 + 4MB L3 |
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Display memory |
16GB 128-bit LPDDR4x 59.7GB/s |
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Vision Accelerator |
7-Channel VLIW Vision Processor |
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DL accelerator |
2x NVDLA engine |
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Storage |
16 GB eMMC 5.1 |
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Dedicated interface |
HDMI_OUT |
× 1 Onboard computer video signal (display) output |
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SI_IN |
× 1 Maximum support HDMI@1080p@30/60fps input |
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CSI_O - CSI_3 |
× 4 CSI signal input for obstacle avoidance |
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TYPE-C 3.0 |
×2 Information exchange |
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FORCE_REC |
×1 Recovery mode switch, usually used to flash firmware |
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DEBUG |
×1 Debug port |
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USB 0. |
×1 Used to program firmware |
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5G module |
×1 Supported model: RM500Q-GL (packaged on the motherboard) |
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5G-SIM |
×1 External SIM card interface |
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Universal module card slot |
×1 Temporarily support 4G module intervention |
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CMPT_SIM |
×1 External SIM card interface, compatible with independent network port |
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RS-485 |
×1 Interface to interact with modules |
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