VM21 10km Mesh Datalink (Video/Telemetry/RC Link) All in One UAV radio

austarsmodel@yahoo.com (Austars Model Pty Ltd) — Mon, 05 May 2025 15:20:00 +0800

VM21 is a Mesh radio that integrates key functions such as video, data, and remote control signal transmission. It supports a maximum of 32 nodes for networking, featuring up to 31 hop routing capabilities. Any two nodes within the network can communicate directly.

Based on the LTE wireless communication standard, VM21 adopts critical technologies such as Orthogonal Frequency Division Multiplexing (OFDM) and Multi-Input and Multi-Output (MIMO), supporting various bandwidth allocations. It covers three frequency bands: 2.4G, 1.4G, and 800MHz, and achieves a max transmission power of 25dBm with a transmission distance of up to 10km.

The V21 Digital Network Mapper is a powerful device that boasts features like 3-in-1 digital mapping, multi-band selection, transparent transmission, and transparent data transmission. These functionalities allow it to efficiently transmit images and data, catering to users' diverse application scenarios. Whether it's image transmission, network communication, or data interaction, the V21 Digital Network Mapper offers a dependable and high-performance solution!

The V21 Digital Network Mapper supports a transparent transmission function, enabling seamless image transfer that is compatible with all network protocols. Users can effortlessly transfer images to the target device or system without concerns about protocol compatibility. Transparent transmission ensures high-quality and reliable image transmission and reception.

Additionally, the V21 Digital Network Mapper offers a TTL/RS232 level interface. This feature allows users to transfer data through the device and interact with data from other devices or systems. The support for the TTL/RS232 level interface enhances the device's flexibility and compatibility, making it more versatile for various data exchange needs.

The V21 Digital Network Mapper seamlessly integrates three essential functions: image transmission, network protocol compatibility, and transparent data transmission. This design ensures the device operates efficiently and conveniently when transmitting images and data. Moreover, the V21 offers two built-in frequency band options: 800MHz, 1.4GHz, and 2.4GHz, providing users with the flexibility to choose the most suitable band based on their specific requirements. The multi-band selection capability allows the V21 to adapt to various environments and application scenarios, ensuring improved transmission performance and stability.

The V21 Digital Network Mapper supports dual S-BUS inputs and outputs, enabling seamless connection and communication with multiple remote control devices. Users can efficiently interact with data through these two S-BUS interfaces, allowing for flexible and versatile remote control operations.

The V21 is a versatile device that supports both point-to-multipoint and multipoint functions. It comes equipped with powerful data transmission and communication capabilities, enabling centralized control, data exchange, and collaborative work between devices. In scenarios where multiple devices are in operation and data interaction is required, the V21 offers users an efficient and reliable solution, catering to the needs of complex applications.

The V21 Digital Network Mapper supports dual S-BUS inputs and outputs, allowing seamless connection and communication with multiple remote control devices. Through these two S-BUS interfaces, users can interact with data from remote control devices or other compatible systems, enabling flexible and efficient remote control operations.

By equipping the E11 module, V21 digital network mapping provides richer interface expansion options, expanding one network port and three serial ports. This expandability allows users to configure interfaces according to actual needs and meet the requirements of different application scenarios. Equipped with the E11 module can better meet the user's interface expansion needs, to achieve a wider range of functions and applications.


Item	Parameters	Description
Frequency band	800MHz 1.4GHz 2.4GHz	806-826MHz 1427.9-1447.9MHz 2401.5-2481.5MHz
Power	-40-25dbm	adjustable
Transmission range	10km grade@LOS	15-17km@1.4GHz, LOS condition 12-15km@800MHz, LOS condition 10km@2.4GHz, LOS condition
S-BUS port	2*S-BUS ports	NA
Serial port	1*serial port (default: TTL; optional: RS232)	Full duplex, baud rate adjustable
Video latency	20ms	Transmission latency from Tx to Rx
Power supply voltage	7.4-50V	NA
Operation current	180mA	12v power supply
Bandwidth	1.4-20M	1.4M/3M/5M/10M/20M
Video input/output	LAN	Connecting IPC device/PC
Power supply interface	XT30
Antenna	4dBi rod antenna&8-9dBi fiber-glass epoxy antenna
Dimension	85mm55mm20mm
Weight	100g(exclude antenna)
Operation temperature	-10�C-+50�C

Features:

Multi links in one module : Video & telemetry data link
weight : 100g
3 frequencies for choice : 800MHz, 1.4GHz, 2.4GHz
LAN port for video input and output
Transparent data transmission : TTL, RS232 optional
Network mode : Mesh
Advanced technology : OFDM, MIMO
Adjustable RF power : -40-25dbm
High throughput : 20Mbps
Frequency hopping : Hop between frequency points
Encryption : AES128
Network Port Expansion Dock : Extend serial and LAN ports

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VM21 10km Mesh Datalink (Video/Telemetry/RC Link) All in One UAV radio