RS232 GPRS Modem / GSM Modem, Support SIM Card, GSM: 900 / 1800MHz Sign Random Delivery
Description
1. Interface: RS232, SIM card reader, Antenna connector SMA (male) 2. Design: Industrial Design, Aluminum Casing 3. Internet: Wireless Access to internet 4. Band: 850/900/1800/1900MHz
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