This page can help you figure out how long a file will take to download on different types of internet connections.
| Technology |
Download Time |
Dial-Up (300bps - 56kbps)
Modem and regular telephone line (speed may degrade due to line noise) |
|
ISDN (64kbps - 128kbps)
Router and dedicated telephone line (requires 2 phone lines) |
|
Cable (512kbps - 20mbps)
Cable modem and cable line (easily networkable) |
|
ADSL (128kbps - 8mbps)
Special modem and adapter card (uses unused digital portion of a copper telephone line, downstream up to 8 Mbps, but upstream only up to 64 Kbps) |
|
VDSL (128kbps - 52mbps)
Special modem and adapter card (uses 30MHz ranges to exceed normal DSL speeds, but is limited to a range of 4000 feet) |
|
Wireless (30mbps or more)
Wireless transmitter/receiver (requires an outdoor antenna) |
|
Broadband over Power (500kbps - 3mbps)
Existing electrical infrastructure |
|
Satellite (6mbps or more)
Satellite transmitter/receiver (requires an outdoor antenna, latency is typically high) |
|
Frame Relay (56kbps - 1.544mbps)
Frame Relay Access Device (can cost less than ISDN) |
|
Fractional T1 (64kbps - 1.544mbps)
Uses a portion of the 23 channels available in a T1 line |
|
T1 (1.544mbps)
DSU/CSU and Router (expensive) |
|
T3 (44.736mbps)
Typically used for ISP to Internet infrastructure |
|
OC-1 (51.84mbps)
Typically used for ISP to Internet infrastructure within Internet infrastructure |
|
OC-3 (155.52mbps)
Typically used for large company backbone or Internet backbone |
|
