Key Features
High-Speed Connectivity
- Achieve uplink and downlink speeds of up to 30 Mbps.
Extended Range
- Up to 3 km in non-line-of-sight (NLOS) or mobile environments.
- Up to 15 km in air-to-ground line-of-sight conditions.
- Expandable range with optional external RF amplifiers.
Advanced Security
- Proprietary waveforms combined with AES 128-bit encryption for secure communications.
Seamless Integration
- Standard interfaces and protocols for easy compatibility.
- Three Ethernet ports for connecting external IP devices.
- Available as an OEM module or a standalone connectivity solution.
Developer-Friendly API
- Comprehensive API documentation provided for cross-platform integration.
Low Latency Performance
- Minimal transmission delay between slave and master nodes.
Exceptional Sensitivity
- Receiver sensitivity of -103 dBm/10 MHz for reliable signal reception.
Robust Interference Resistance
- Features frequency hopping spread spectrum (FHSS), adaptive modulation, and adaptive RF power control for superior noise and interference immunity.
Intuitive Management
- Configure and monitor via install-based software or a browser-based WebUI.
- Remotely or locally adjust parameters, network settings, security, and view real-time metrics like SNR, RSSI, and distance.
Improved for clarity and engagement:
- Structured with clear headings and bullet points for readability.
- Simplified technical terms where possible.
- Emphasized benefits and ease of use.
- Used active language to create a more dynamic and persuasive tone.

Introducing the FDM-66MN: The World’s Smallest OME Radio Module Meet the FDM-66MN—an ultra-compact digital video transceiver designed for applications where every gram and millimeter counts. Measuring just 60 x 55 x 5.7 mm and weighing only 26 grams, this miniature module is perfect for small drones, UGVs, and other space- and weight-sensitive platforms. Key Features: 🔹 Adjustable Transmitting Power Easily tailor output with software-selectable power levels ranging from -40dBm to 25±2dBm. 🔹 Rich Interface Options Stay connected with: • 3x Ethernet ports • 2x full-duplex RS232 ports • 2x power input ports • 1x USB port for debugging 🔹 Wide Power Input Range Supports DC input from 5V to 32V, protecting your system from accidental voltage mismatches and burnout. — Ready to minimize size without compromising performance? The FDM-66MN delivers powerful connectivity in the smallest form factor available.

| J30JZ Definition: | |||||
| Pin | Name | Pin | Name | Name | Pin |
| 1 | TX0+ | 10 | D+ | 19 | COM_RX |
| 2 | TX0- | 11 | D- | 20 | UART0_TX |
| 3 | GND | 12 | GND | 21 | UART0_RX |
| 4 | TX4- | 13 | DC VIN | 22 | BOOT |
| 5 | TX4+ | 14 | RX0+ | 23 | VBAT |
| 6 | RX4- | 15 | RX0- | 24 | GND |
| 7 | RX4+ | 16 | RS232_TX | 25 | DC VIN |
| 8 | GND | 17 | RS232_RX | ||
| 9 | VBUS | 18 | COM_TX | ||
| PH1.25 4PIN Definition: | |
| Pin | Name |
| 1 | RX3- |
| 2 | RX3+ |
| 3 | TX3- |
| 4 | TX3+ |
Application The FDM-66MN is a compact, software-defined radio module designed for reliable long-range communication in unmanned systems, including BVLOS drones, UGVs, robotics, UAS, and USVs. It supports high-speed, full-duplex transmission of multiple HD video streams alongside control and telemetry data, even in challenging non-line-of-sight environments such as dense urban areas. With an optional external power amplifier, the module achieves communication ranges of up to 50 km, maintaining over 20 km of stable connectivity in crowded signal environments.

| GENERAL | ||
| Technology | Wireless base on TD-LTE Wireless technology standard | |
| Encryption | ZUC/SNOW3G/AES(128/256) OptionalLayer-2 | |
| Data Rate | 30Mbps(Uplink and Downlink) | |
| Adaptive average distribution of system data rate | ||
| Support users to set speed limit | ||
| Range | 10km-15km(Air to ground) 500m-3km(NLOS Ground to ground) |
|
| Capacity | 8nodes | |
| Bandwidth | 1.4MHz/3MHz/5MHz/10MHz/20MHz | |
| Power | 25dBm±2 (2w or 10w on request) All nodes automatically adjust the transmitting power |
|
| Modulation | QPSK, 16QAM, 64QAM | |
| Anti-Jamming | Automatically Cross-Band frequency hopping | |
| Power Consumption | Average: 4-4.5Watts Max: 8Watts |
|
| Power Input | DC5V-32V | |
| Receiver Sensitivity | Sensitivity(BLER≤3%) | ||||
| 2.4GHZ | 20MHZ | -99dBm | 1.4Ghz | 10MHz | -91dBm(10Mbps) |
| 10MHZ | -103dBm | 10MHz | -96dBm(5Mbps) | ||
| 5MHZ | -104dBm | 5MHz | -82dBm(10Mbps) | ||
| 3MHZ | -106dBm | 5MHz | -91dBm(5Mbps) | ||
| 1.4GHZ | 20MHZ | -100dBm | 3MHz | -86dBm(5Mbps) | |
| 10MHZ | -103dBm | 3MHz | -97dBm(2Mbps) | ||
| 5MHZ | -104dBm | 2MHz | -84dBm(2Mbps) | ||
| 3MHZ | -106dBm | 800Mhz | 10MHz | -91dBm(10Mbps) | |
| 800MHZ | 20MHZ | -100dBm | 10MHz | -97dBm(5Mbps) | |
| 10MHZ | -103dBm | 5MHz | -84dBm(10Mbps) | ||
| 5MHZ | -104dBm | 5MHz | -94dBm(5Mbps) | ||
| 3MHZ | -106dBm | 3MHz | -87dBm(5Mbps) | ||
| 3MHz | -98dBm(2Mbps) | ||||
| 2MHz | -84dBm(2Mbps) | ||||
| FREQUENCY BAND | |||||||
| 1.4Ghz | 1427.9-1447.9MHz | ||||||
| 800Mhz | 806-826MHz | ||||||
| 2.4Ghz | 2401.5-2481.5 MHz | ||||||
| WIRELESS | |||||||
| Communication Mode | Unicast, multicast, broadcast | ||||||
| Transmission Mode | Full Duplex | ||||||
| Networking Mode | Dynamic Routing | Automatically updat routes based on real-time link conditions | |||||
| Network Control | State Monitoring | Connection status /rsrp/ snr/distance/ uplink and downlink throughput | |||||
| System Management | WATCHDOG: all system-level exceptions can be identified, automatic reset | ||||||
| Re-transmission | L1 | Determine whether to retransmit based on the different data being carried. (AM/UM); HARQ retransmits | |||||
| L2 | HARQ retransmits | ||||||
| INTERFACES | ||
| RF | 2 x IPX | |
| Ethernet | 3xEthernet | |
| Serial Port | 2x RS232 | |
| Power Input | 2*Power Input(alternative) | |
| CONTROL DATA TRANSMISSION | |||||
| Command Interface | AT command configuration | Support VCOM port/UART and other ports for AT command configuration | |||
| Configuration Management | Support configuration via WEBUI, API, and software | ||||
| Working Mode | TCP server mode TCP client mode UDP mode UDP multicast MQTT Modbus |
●When set as a TCP server, the serial port server waits for computer connection. ●When set as a TCP client, the serial port server actively initiates a connection to the network server specified by the destination IP. ●TCP server, TCP client, UDP, UDP multicast, TCP server/client coexistence, MQTT |
|||
| Baud Rate | 1200, 2400, 4800, 7200, 9600, 14400, 19200, 28800, 38400, 57600, 76800, 115200, 230400, 460800 | ||||
| Transmission Mode | Pass-through mode | ||||
| Protocol | ETHERNET, IP, TCP, UDP, HTTP, ARP, ICMP, DHCP, DNS, MQTT, Modbus TCP, DLT/645 | ||||
| MECHANICAL | ||
| Temperature | -40℃~+80℃ | |
| Weight | 26grams | |
| Dimension | 60*55*5.7mm | |
| Stability | MTBF≥10000hr | |
