CH-D1X1C1 SMS DTU Datasheet is the datasheet of Chonghan CH-D1X1C1 SMS DTU, which introduces the product overview, application fields and features.
The CH-D1X1C1 SMS DTU is a dual‑band wireless module designed for SMS‑based, low‑data‑rate M2M applications. It features a rugged metal enclosure, standard serial interfaces, and a SIM card slot, making it suitable for industrial environments.
Typical use cases include remote meter reading, logistics tracking, security monitoring, and other M2M scenarios across power, oil, mining, finance, telecom, public safety, and transportation sectors. This manual is written in Chinese.
| Frequency Bands | Quad‑Band GSM850/EGSM900/DCS1800/PCS1900 |
|---|---|
| Output Power | class4 (2 W) @ GSM850/EGSM900; class1 (1 W) @ DCS1800/PCS1900 |
| Operating Voltage | DC5 ~ 25 V |
| Operating Temperature | -20 °C to +55 °C |
| Storage Temperature | -40 °C to +85 °C |
| Dimensions | 75 mm × 50/72 mm × 16 mm |
| Weight | 200 g |
| SMS Length | 140 bytes |
| Data Interface | RS‑232 / RS‑485 / TTL |
It is a dual‑band wireless DTU built for low‑data‑rate SMS communication in M2M applications.
It supports Quad‑Band GSM850, EGSM900, DCS1800 and PCS1900.
The module delivers class 4 (2 W) output on GSM850/EGSM900 and class 1 (1 W) on DCS1800/PCS1900.
It operates from –20 °C to +55 °C, and can be stored from –40 °C to +85 °C.