RFISDN, DSL, MMDS, LMDS: Technology Comparison
data communication
broadband
dsl
isdn
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This article compares ISDN, DSL, MMDS, and LMDS, highlighting the key differences between these technologies. For a more in-depth understanding, links to detailed tutorials on each technology are provided.
ISDN vs. DSL vs. MMDS vs. LMDS
The following table summarizes the key specifications of each technology:
| Specifications | ISDN | DSL | MMDS | LMDS |
|---|---|---|---|---|
| Full form | Integrated Digital Services Network | Digital Subscriber Line | Multichannel Multipoint Distribution Service | Local Multipoint distribution service |
| Data rate | 128 kbps | 1 to 6 Mbps | upto 2 Mbps (132 MHz ITFS upto 10 Mbps) | 1 to 100 MHz(A), 150 MHz (B) |
| Capacity | High, near CO (Central Office) | High, near CO | Medium, 50 to 100 Km | High, 2 to 8 Km |
| Cost | Higher | Higher | Low to very low | Medium |
| Installation Time | Medium | Medium | Low | Low |
Key Takeaways:
- ISDN (Integrated Digital Services Network): An older digital telephone technology offering relatively low bandwidth.
- DSL (Digital Subscriber Line): A family of technologies using existing telephone lines to deliver high-speed data.
- MMDS (Multichannel Multipoint Distribution Service): A wireless broadband technology that provides internet access over a wide area.
- LMDS (Local Multipoint Distribution Service): A wireless broadband technology designed for high-bandwidth, short-range applications.
