Projects/Darknet: Difference between revisions
< Projects
m (→Radio) |
m (→Radio) |
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| Line 18: | Line 18: | ||
! Frequency | ! Frequency | ||
! Spacing | ! Spacing | ||
! Modi | |||
! Antenna size | ! Antenna size | ||
! Max. power | ! Max. power | ||
| Line 26: | Line 27: | ||
| 27 MHz | | 27 MHz | ||
| 10 kHz | | 10 kHz | ||
| FM, AM, SSB | |||
| 11m (or 5.5 (or 2.75)) | | 11m (or 5.5 (or 2.75)) | ||
| 4 W | | 4 W (FM/SSB), 1 W (AM) | ||
| 9600 baud | | 9600 baud | ||
| 50 km | | 50 km | ||
| Line 34: | Line 36: | ||
| 430 MHz | | 430 MHz | ||
| 12.5 kHz | | 12.5 kHz | ||
| FM, WFM | |||
| 70cm | | 70cm | ||
| 10 mW | | 10 mW | ||
| Line 40: | Line 43: | ||
|- | |- | ||
| UHF PMR | | UHF PMR | ||
| | | 446 MHz | ||
| | | 12.5 kHZ | ||
| FM | |||
| 70cm | | 70cm | ||
| | | 500 mW | ||
| 9600 baud | | 9600 baud | ||
| 10 km | | 10 km | ||
| Line 49: | Line 53: | ||
| Wifi | | Wifi | ||
| 2.4 GHz | | 2.4 GHz | ||
| ? | |||
| ? | | ? | ||
| small | | small | ||
Revision as of 14:17, 23 May 2011
 | |
|---|---|
| Project Darknet | |
| Name | Darknet |
| Start | |
| End | |
| Contact | Gebruiker:Maze |
| Website | |
| Information | Darknet for hackerspaces |
| Status | Alpha |
Off the record darknet to link hackerspaces together, using pre-existing free technology to serve our own out of band network without the need to depend on government-controlled infrastructure.
Technology
Radio
There are a few options for using radio:
| Band | Frequency | Spacing | Modi | Antenna size | Max. power | Max. speed | Max. reach (norm.) |
|---|---|---|---|---|---|---|---|
| CB (27 MC) | 27 MHz | 10 kHz | FM, AM, SSB | 11m (or 5.5 (or 2.75)) | 4 W (FM/SSB), 1 W (AM) | 9600 baud | 50 km |
| UHF LPD | 430 MHz | 12.5 kHz | FM, WFM | 70cm | 10 mW | 9600 baud | 10 km |
| UHF PMR | 446 MHz | 12.5 kHZ | FM | 70cm | 500 mW | 9600 baud | 10 km |
| Wifi | 2.4 GHz | ? | ? | small | ? watt | 300 mbit | 2 km |