This manual introduces the function features, application fields, usage methods and precautions of Chonghan CH-D1 wireless DTU.
This manual describes the CH‑D1 series wireless DTU, an IP modem/M2M device for transparent serial data transmission in industrial environments. It covers basic functions, AT command sets, connection modes, and monitoring features to help users quickly set up and operate the product.
Safety and liability sections warn against using the device in explosive areas, near medical or life‑support equipment, on aircraft, or while operating a vehicle. The manual also lists product variants, supported networks, and hardware interfaces. This manual is written in Chinese.
| Supported Networks | GPRS / CDMA2000 1X |
|---|---|
| Power Supply | DC 5 V‑25 V wide‑range, low power |
No. The device must be turned off on any aircraft, whether on the ground or in flight, because its signal may interfere with onboard systems.