d0abfd0a_GPRS_GSM_Shield_v1_0___Elecrow__Status
[LED] Net indicator(Green) [Function] SIM900 is not working [Status] 
Off
O f f
O n
6 4 m s O n / 8 0 0 m s O f f
6 4 m s O n / 3 0 0 0 m s O f f
6 4 m s O n / 3 0 0 m s O f f
GPRS/GSM Shield v1.0 - Elecrow
Status