User manual for Dataie's DTD46X wireless data transmission modules, covering specifications, setup, and troubleshooting.
The DTD46X series includes the DTD462A, DTD465A, DTD465B, and DTD465C wireless data transmission modules. They provide high‑stability, low‑cost data links with multiple interface options (TTL, RS‑232, RS‑485) and support flexible networking for industrial, environmental and security applications.
The manual describes technical specifications, power supply requirements, connector pinouts, channel configuration, sleep mode operation, antenna options, and common fault troubleshooting, helping users install, configure, and maintain the modules efficiently. This manual is written in Chinese.
| Center frequency | 433 MHz |
|---|---|
| Operating voltage | 3.3–5.5 V (9 V for DTD465C) |
| Transmit power | 10 dBm (up to 30 dBm for DTD465C) |
| Sensitivity | -105 dBm (‑120 dBm for other models) |
| Sleep current | <20 µA |
| Communication distance | >200 m (up to 3000 m for DTD465C) |
| Number of channels | 8 selectable channels |
The module operates from 3.3 V to 5.5 V; the DTD465C variant uses a 9 V supply.
Apply a high level to the SLEEP pin (pin 8) to enter sleep; a low level keeps the module active.
The module provides eight channels, selected via the three‑bit jumper block JP2 (pins A‑C).