I have this device from past 2 month . it provide good speed . and jio data card have large range. my jio router range spread all over my office . so its good range and quality signal from my point of view. this modem provide 2-4 mbps speed. which good enough speed from any router. jio modem easy to keep in your pocket.
Jio modem provide good bandwidth and quality signal. and most important its easy to use.
Thanks.