Product ReviewsSim900 Quad-band Gsm/gprs Shield for Arduino Uno/mega/leonardo

100% good

Good GSM and good Library on their site tinysine

Verified purchase:  Yes | Condition: new | Sold by: feifeiphoenix111

Excellent shield

Excellent shield, the best I ever had.

Verified purchase:  Yes | Condition: new | Sold by: feifeiphoenix111

good one

thank you

Verified purchase:  Yes | Condition: new | Sold by: feifeiphoenix111

Excellent quality

Very reliable. This item is perfect to decode DTMF. The audio sound is good. Works on ARDUINO UNO by using pins 2 and 3 (Tx and Rx) instead of 7 and 8 of the examples.

Verified purchase:  Yes | Condition: new | Sold by: feifeiphoenix111

Excellent support

I had an issue and the help my immediately.

Verified purchase:  Yes | Condition: new | Sold by: feifeiphoenix111

Excellent and working product.

Supplied info on how to connect to MEGA could be more in depth. Otherwise everything perfect.

Verified purchase:  Yes | Condition: new | Sold by: feifeiphoenix111

Conforme y encantado

Exactamente lo que encargue, buena calidad y rapidez

Verified purchase:  Yes | Condition: new | Sold by: feifeiphoenix111

excellent

execellent items

Verified purchase:  Yes | Condition: new | Sold by: feifeiphoenix111

Tynisine gsm

Is a good quality.

Verified purchase:  Yes | Condition: new | Sold by: feifeiphoenix111

Gran articulo!!!

Verified purchase:  Yes | Condition: new | Sold by: feifeiphoenix111