Catalog > Internet of Things (IOT) Related Products > More Platforms SIM900 GSM/GPRS Transmission Module SIM900 GSM GPRS GSM/GPRS Transmission Module CMU GPRS/GSM SIM900 MODULE SIM900 (NOT 900A) QUAD BAND GSM/GPRS TRANSMISSION MODULE FOR EURO/AFRICA Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview SIM900A MINI V4.0 Wireless Transmission Extension Module Features Serial port circuit(with protection) Antenna interface circuit(SMA bend female port) SIM card circuit(flip SIM slot) SIM900 serial port output terminal References Simcom Tester