| Rel 8 | Rel 12 | Rel 13(’16.3) | Rel 13(’16.6) | |
|---|---|---|---|---|
| CAT-1 | CAT-0 | CAT-M | NB-IoT | |
| DL/UL maximum data rate | 10 Mbps/5 Mbps | 1 Mbps/1 Mbps | 1 Mbps/1 Mbps | 200 kbps/200 kbps |
| MIMO | 2×2 | No | No | No |
| DL/UL duplex | Full FDD | Half FDD | Half FDD | Half FDD |
| Bandwidth (MHz) | 20 | 20/100 RB | 1.4 (6RB) | 0.2 |
| UE maximum transmit power(dBm) | 23 | 23 | ~23 | ~23 |
| Subcarrier spacing(kHz) | 15 | 15 | 15 | DL 15 UL 3.5,15 |
| LTE compatibility | Yes | Yes | Yes | No |
| Frequency band | LTE inband | LTE inband | LTE inband | LTE inband or guardband |
| Chipset Cost | 100 % | 90~100 % | 25 % | 10~15 % |
| Coverage gain | 0 dB | 0 dB | Above 15 dB | Above 20 dB |