| |
ADSL |
Cable Modem |
Dial-Up |
GPRS |
| Underlying network |
telephone network (PSTN) |
cable TV network |
telephone network (PSTN) |
cellular network (GSM/TDMA) |
| Network Provider |
Telephone operator |
Cable TV operator |
Telephone operator |
Cellular operator |
| Connection |
always-on and log-in (PPPoE/PPPoA) |
always-on and log-in (PPPoE/PPPoA) |
log-in (PPP) |
log-in (PPP) |
| Mobility |
no |
no |
no |
yes |
| Maximum Downstream Rate |
8 Mbps (Full Rate)
1.5 Mbps (G.Lite) |
38 Mbps
(shared) |
56 kbps
(V.92) |
57.6 kbps
(Class 12) |
| Maximum Upstream Rate |
1 Mbps (Full Rate)
512 kbps (G.Lite) |
30 Mbps
(shared) |
33 - 48 kbps
(V.92) |
57.6 kbps
(Class 12) |
| Required Device |
ADSL modem plus splitter |
cable modem |
voice/fax modem |
GPRS modem |
| Charging |
Flat monthly rate; number of
transferred bytes or connection time |
Flat monthly rate;
number of transferred bytes or connection time |
Connection time |
Flat monthly rate; number of bytes |
