A couple of researchers (hackers) have been able to transmit WiFi signals on the 900 Mhz amateur ham radio band. Signals were successfully received as far as 20 miles away. But due to the technological approached being used using frequencies on the noise floor, the top speed is only achieved at 56 kbps, reminiscent of the dial modem speeds of the past. Nevertheless, the range is quite impressive. Read the rest of the article.
The FBI is investigating 11 attacks on Internet Fiber backbone in the San Francisco Bay Area this past year. The cutting of the fiber cables resulted in the disruption of Internet access to local businesses, as well as residential areas. Is this an act of vandalism or something more sinister? The attacks reveals the vulnerability of the Internet infrastructure. How do you exactly protect hundreds of miles of fiber optic cables? You can’t put up thousands of security cameras as a deterrent. That would be impractical. In this particular incident, the attackers were able to get to an underground vault. Why aren’t these vaults secure? Why aren’t there any surveillance cameras?
In my previous post, I talked about the TL-SG1008PE, an 8-port Gigabit POE switch. If you need a cheaper alternative, take a look at the TP-LINK TL-SG1008P 4-Port Gigabit PoE Switch. It essentially the same switch, but it only has 4 POE ports instead of 8. It will support IEEE 802.3af compliant powered devices. Notice it’s 802.3af only. It doesn’t support 802.3at. This PoE switch currently sells for $80 at Amazon.
If you’re looking for a POE switch to power your networking devices over power over ethernet, check out the TP-LINK TL-SG1008PE 8-Port Gigabit PoE Switch. It has 8 Gigabit POE ports. It will support devices that are compliant to IEEE 802.3at/af standard. The switch has a maximum output of 124 watts. Most of all, it works quite well with the Ubiquiti Unifi products, in particular, the Unifi Outdoor Plus. The TP-Link switch currently sells for $130 at Amazon.