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GSM Message GPRS Communication Self-ejecting Slot SIM900 Module Min 2.5x3cm
Description:
- Size: 3.1*2.6cm
- Support 900-1800 frequency band
- Voltage range: 3.7---4.2V
- Transient current: 2A
- SIM card base is self ejecting type
- With two antennas, without power supply
- Connecting with PC or single chip, it can call up, send messages, GPRS wireless transmission
- Onboard signal SIM card base, indicator light,
- Standby current: 10ma, operating current: 100ma, current peak 2A