| Parameters | Wireless Technologies | ||||||||||
| GSM-R | P25 | TETRA | 802.11 | WIMAX | 3G | LTE-R | RoF | LCX | Satellite | FLASH-OFDM | |
| Working Frequency | 800 - 900 MHz | 700 MHz | ~400 MHz | 2.4/5.8 GHz | 2.3/2.4/2.5/3.5 GHz | 800/910 MHz 2.1 GHz | Variable 400 - 3.5 GHz | Variable | Variable | Limited | 450 MHz and variable |
| Data Rate | 5 - 10 Kbps | 40 - 100 Kbps | 5 - 10 Kbps | >10 Mbps | >30 Mbps | >2 Mbps (stationary) >384 Kbps (Mobile) | >10 Mbps | 1 - 10 Gbps | 1 - 10 Mbps | >2 Mbps | >2 Mbps |
| IP Support | Not standalone | No | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Handover Mechanism | Open standard (till 500 km/h) | Open standard | Open standard | Proprietary | Open standard/High handover | Open standard | Open | Open; | Open | Depends | Proprietary; |
| Modulation/ Multiplexing | GMSK -TDMA | 4FSK | DQPSK-TDMA | QPSK, QAM | BPSK, QPSK 16 QAM | PSK | QPSK, 16 - 64 QAM (OFDM, SCFDMA) | QPSK, 16QAM-OFDM | Standard and OFDM | FSK-PSK | OFDM |
| Maturity | Mature, supporteduntil 2025 | Mature in US | Mature | Mature | Mature, lead to WIMAX 2 | Mature | Emerging and offered | Concepts like “moving cell” | Matured (N700) | Matured but costly | Matured |
| Market Support | Until 2025 | US | Yes/almost obsolete | Yes | Yes, decreasing | Yes, but moving to LTE | Yes, building standards | Matured | Japan, Europe | Yes, in Europe Thalys, SNCF | Yes, Flarion |