This document is a user manual for YN1000 GSM MODEM, which introduces the overview, functions, and technical specifications of the device.
The YN1000 is an industrial‑grade GSM modem based on a 2G short‑message platform with embedded Siemens TC35/Wavecom Q2403A modules. It supports dual‑band GSM/GPRS, standard AT command interface, RS‑232 communication, and operates in harsh electromagnetic and temperature environments.
The manual covers product functions, detailed technical parameters, step‑by‑step installation (cable connection, SIM card, antenna), data‑interface definitions, power‑supply requirements, and how to verify network status after power‑up. This manual is written in Chinese.
| Dimensions | 80 x 55 x 21 mm |
|---|---|
| Weight | 200 g |
| Operating Temperature | -25 °C ~ 60 °C |
| Device Temperature Range | -40 °C ~ 85 °C |
| Humidity Range | 0‑95 % non‑condensing |
| Storage Temperature | -40 °C ~ 85 °C |
| Supply Voltage | DC 5 V ~ 26 V |
| Standard Power | DC 5 V / 1000 mA |
| Communication Current | 100 mA @ +5 V DC |
| Idle Current | 35 mA @ +5 V DC |
| Antenna Impedance | 50 Ω / SMA |
| Receive Sensitivity | -104 dBm |
| SIM Voltage | 3 V / 5 V |
| User Data Interface | RS‑232 (DB9) |
| Baud Rate | 300 ~ 1152000 bits/s |
The modem accepts DC 5 V to 26 V; a 5 V / 2 A supply is recommended.