The Ebyte RD400D is a 410-470MHz TI CC1200 UART digital radio module featuring 30dBm transmit power, 5.6km communication distance, GMSK/4FSK modulation, and native protocol support for TRIMTALK, TRIMMARK3, and TRANSEOT.
| Model Specifications | Main Chip | Frequency Band (MHz) | Transmit Power (dBm) | Reference Distance (km) | Modulation & Protocols |
|---|---|---|---|---|---|
| RD400D | TI CC1200 | 410 - 470 | 30 | 5.6 | GMSK/4FSK; TRIMTALK, TRIMMARK3, TRANSEOT |
Practical Application Scenarios
1. High-Precision RTK GNSS Surveying and Mapping Integration
In professional land surveying and GIS mapping applications, base stations and rover receivers require seamless differential data links. The RD400D module provides native compatibility with industry-standard differential protocols like TRIMTALK and TRIMMARK3, allowing surveyors to stream real-time kinematic corrections reliably across open fields over distances up to 5.6km.
2. Precision Agriculture Automated Tractor Guidance
Modern agricultural machinery relies on sub-inch positioning accuracy for autonomous plowing, seeding, and crop spraying. Integrated directly into onboard control terminals, this lightweight 4.8g transceiver transmits high-frequency correction data under harsh outdoor agricultural conditions, ensuring stable path tracking and minimal signal latency.
3. Industrial Drone Telemetry and Ground Control Station Link
For long-range UAV flight control and payload data monitoring, aerial platforms demand low power consumption and high reception performance within compact form factors. The RD400D operates efficiently in the 410-470MHz band, delivering dependable command-and-control telemetry between autonomous drones and portable ground control stations.
FAQ Section
1. Which standard radio protocols are natively supported by the RD400D module?
The module natively supports major industrial surveying protocols including TRIMTALK, TRIMMARK3, and TRANSEOT (along with transparent and PCC protocols). This guarantees seamless interoperability with third-party GPS/GNSS receivers, RTK base stations, and legacy surveying hardware without requiring complex protocol conversion layers.
2. Can embedded developers update firmware in the field without specialized hardware programmers?
Yes, the unit supports serial port IAP (In-Application Programming) online firmware upgrades. Engineers can update device firmware directly through the standard UART serial interface, simplifying maintenance cycles and feature upgrades for deployed OEM equipment.
3. How does the multi-power gear selection benefit battery-powered or portable instruments?
The module features selectable power gears, allowing developers to dynamically balance transmission range and power consumption. For battery-operated handheld devices or mobile field terminals, lowering the output power preserves battery life while maintaining reliable short-to-medium-range links.
