Specs at a glance
Connections
Phone jack, WAN port, four gigabit Ethernet ports, reset and WPS buttons, power socket and power button. (Credit: CBS Interactive)UI and features
Billion's range has never been one for beginners, and the 7800N only goes a small way to make networking easier for the beginner. WPS is disabled by default, and although it has "Basic" and "Advanced" modes in the web user interface (UI), all Basic does is hide the majority of options.Thankfully, there is a "Quick start" link that will walk the user through the necessary steps to get online and set up wireless, but it makes no effort whatsoever to explain to the user what each setting does.
The UI is split into two versions, "Basic" and "Advanced". Basic isn't so much basic as just displays limited options. Check out Port Forward for more screenshots. (Screenshot by CBS Interactive)Performance
After analysing the spectrum with InSSIDer, an empty channel of either 1, 6 or 11 is chosen for 2.4GHz wireless testing. The router is restricted to the 20MHz band and will only allow 802.11n clients. If possible, the MCS is set to 15.We use iperf to determine throughput, running eight streams, with a TCP window size of 1MB, and an interval of one second. The test is run for five minutes in three different locations, on two separate occasions. The locations are in the same room as the router, one floor down around spiral stairs and with concrete walls and floors, and two floors down under the same conditions.
The wireless throughput is tested using three chipsets, the Atheros AR5008X, RaLink RT2870 and Intel 5100AGN, then all results are averaged.
(Longer bars indicate better performance)
ADSL performance is simply measured by the sync speed on an Internode ADSL2+ connection to the St Leonards exchange, on Internode's very high speed profile. If the connection remains stable over a period of time, the sync speed is recorded.(Longer bars indicate better performance)
As far as ADSL2+ performance is concerned, all are very close, and during subjective testing maintained a stable link.Power consumption
We measured power consumption using a Jaycar mains digital power meter. It's important to note here that due to limitations of the meter, measurements are limited to values 1W and greater, and are reported in 1W increments.The wireless radio was turned on, and an iperf test begun for measurement, using one wireless client and one wired.
| Juice Box |  |
|---|---|
| Transmitting | 9W |
| Idle | 7W |
Warranty
A 24-month warranty is offered on all Billion products, and is covered by PCRange, Billion's distributor in Australia.Conclusion
While some ADSL2+ modem/routers we've tested prefer one chipset over another, the Billion 7800N provided the most consistent results across all three of our test platforms, netting it the highest average throughput of the modem/routers we've seen so far. While we'd love to see 5GHz capability in the device, we can highly recommend this to anyone looking for the core of their new ADSL2+-based network.Specifications
| LAN | |
|---|---|
| LAN ports | 4 |
| DHCP server | Yes |
| Management | |
| Web-based management | Yes |
| Power | |
| Power source | AC Adaptor |
| Power switch | Yes |
| Security | |
| SPI firewall | Yes |
| DoS attack prevention | Yes |
| WAN | |
| WAN protocols supported | DHCP, PPPoE |
| Wireless | |
| Wireless standards supported | 802.11b, 802.11g, 802.11n |
| Wireless security standards | WEP, WPA, WPA2 |
| WEP key length | 64, 128 bits |
| Antenna type | External |
| Number of antennas | 3 |
| Expand | |
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