User manual for the Taida Xin TDX-868E wireless data transmission station, covering features, specifications, setup and operation.
The TDX-868E wireless data transmission station from Taida Xin is a compact, half‑duplex device that supports multiple frequency bands and data rates for point‑to‑point or point‑to‑multipoint communication. It offers selectable transmit power (5 W or 25 W), MSK/GMSK modulation, and standard TTL, RS‑232 or RS‑485 interfaces for easy integration with controllers or PCs.
The manual provides detailed hardware dimensions, front‑panel and rear‑panel connector definitions, power requirements, and step‑by‑step instructions for installing the antenna, connecting the power supply, configuring parameters via the supplied software, and operating the unit safely. This manual is written in Chinese.
| Working frequency band | 150/230/450 MHz |
|---|---|
| Transmit power | 5 W / 25 W selectable |
| Modulation method | MSK / GMSK |
| Data transmission rate | 1200 / 2400 / 4800 / 9600 bps |
| Power supply voltage | 12 V DC |
| Transmit current (25 W mode) | ≤ 6 A |
| Antenna impedance | 50 Ω |
| Receiver sensitivity | ≤ 0.25 µV |
| Dimensions (W×L×H) | 127 mm × 180 mm × 50 mm |
| Interface options | TTL, RS‑232, RS‑485 (select one) |
The unit can operate at either 5 W or 25 W transmit power.
It supports the 150 MHz, 230 MHz and 450 MHz bands.
The station provides selectable TTL, RS‑232 or RS‑485 interfaces, but only one can be used at a time.