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SIM900A
| Manufacturer | |
| Description | QUAD BAND, GSM / GPRS, ARM9 双频GSM/GPRS模块 |
| Category |
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Electrical
| Frequency Group | Dual-frequency 900/1800 MHz | Voltage - Supply | 3.1 V ~ 4.8 V |
Mechanical
| Size | 24x24x3mm | ||
Environmental
| Operating Temperature | -40°C ~ 85°C | ||