Chonghan CH-D1G2Z1 GPRS DTU datasheet introduces the product features and application areas.
The CH-D1G2Z1 GPRS DTU is an industrial‑grade, plug‑and‑play wireless module designed for low‑data‑rate GPRS communication. It offers a rugged metal enclosure, standard serial interfaces, and a SIM card slot for reliable M2M data transmission in applications such as remote metering, logistics, and security.
Key specifications include support for multiple GSM frequency bands, up to 2.5 W output power, a wide operating voltage range (DC 5‑25 V), and temperature tolerance from –20 °C to +80 °C. The device provides RS‑232/RS‑485/TTL data ports, a 5007 SMA antenna connector, and mini‑SIM compatibility, making it suitable for diverse industrial environments. This manual is written in Chinese.
| Output Power | 2.5 W |
|---|---|
| Supply Voltage | DC 5 ~ 25 V |
| Operating Temperature | -20 °C to +80 °C |
| Storage Temperature | -40 °C to +85 °C |
| Dimensions | 75 mm × 50/72 mm × 16 mm |
| Weight | 200 g |
| GPRS Multi‑Slot Class | 10 |
| GPRS Mobile Station Class | B |
| GPRS Speed CS‑1 | UL 18.1 kbps / DL 36.2 kbps |
| Antenna Connector | 5007 SMA / Female |
| Power Supply Connector | 5.5 mm / 2.5 mm |
| SIM Card Type | Mini‑SIM, 1.8 V/3.3 V |
| Data Interface | RS‑232 / RS‑485 / TTL |
| Warranty | 1 Year |
It operates from –20 °C to +80 °C.
The DTU accepts a DC input voltage from 5 V to 25 V.