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Google has promised that the OnHub router will give you a new way to Wi-Fi, and with these specs, it looks like they might be onto something:
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Dual-core 1.4 GHz CPU
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4 GB e-MMC flash storage
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IEEE 802.11 b/g/n/ac
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Dual band 2.4 GHz and 5 GHz 12-antenna array
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Congestion-sensing radio and antenna
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USB 3.0 port + Bluetooth 4.0
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1 GB DDR3L RAM
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这个步骤还没有翻译 帮忙翻译一下
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No blinking router lights here; let's hope the constant status light isn't blinding in the dark (it's not).
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This mysterious anomaly in the speaker grille is probably an ambient light sensor enabling dimming.
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We also spy a small cutaway on the bottom of the cowling for the cabling.
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A novel idea for cable management, but not great for ease-of-access. You've got to twist the cowling off to plug anything in.
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这个步骤还没有翻译 帮忙翻译一下
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Luckily the outer cowling comes off with a simple twist. You can't plug any cables in without shucking that shield, it better be simple.
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The
riflingfins along the inside of thebarrelcowling are perhaps there to encourage air circulation, as this tower has no fan to cool itself. -
Under the hood we see the real branding on this guy. Google has contracted with TP-Link for the first iteration of the OnHub.
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We also get a peek at some components. Is that an antenna we see? We're itching with anticipation.
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这个步骤还没有翻译 帮忙翻译一下
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We turn our attention back to what we thought was a solid top, it turns out this was the way in all along.
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We finally pop the top off this can
of worms, and the first component we spy is the famed congestion-sensing antenna. -
We can't quite remove it yet, so leaving that to dangle gently to the side exposes the LED board with some control hardware:
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National Semiconductor LP5523 programmable 9-output LED driver
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Ambient light sensor
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这个步骤还没有翻译 帮忙翻译一下
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With the top panel neutralized, some screws are revealed.
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Finally the two halves of the casing are ready to come quietly, revealing the first glimpse of the OnHub's shiny, antenna-filled insides.
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That crazy disk antenna up top, responsible for sniffing out network congestion in the air, is finally free to leave the OnHub.
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Looks like the OnHub intends to keep unbroken Wi-Fi on target with this bullseye shaped antenna.
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这个步骤还没有翻译 帮忙翻译一下
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There are 12 cables across the top of the device (six 2.4GHz antennas and six 5GHz), plus the congestion antenna along the side, and a final coax cable along the other side.
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Google seems to have some kind of color coding system, which might help for repair, but the board markings don't give us any hints just yet.
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Peeling off the second half of the outer shell, we find an interesting antenna arrayed in a double diamond. More on this guy later.
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The OnHub's antenna array is revealed in all its Lovecraftian glory, the antenna leads looking spookily like tentacles.
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这个步骤还没有翻译 帮忙翻译一下
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With a flick of the spudger, the remaining antenna connectors come free—releasing what we theorize to be a miniature Stargate. That, or the omnidirectional antenna array.
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Some engineer was probably pretty excited to design antennas in an arrow shape. Looking snazzy!
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That one extra-long cable runs a bit lower on the motherboard, where it connects next to a ZigBee network co-processor—hello 802.15.4 (coming soon).
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这个步骤还没有翻译 帮忙翻译一下
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Remember that diamond shaped antenna a few steps back? Turns out that's the directional antenna, for boosting the signal in a specific direction.
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The heatsink serves as a reflector dish, pushing that extra bit of Wi-Fi to the far corner of your house where you need it most.
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The components in this thing have been pretty big so far, and the heat sink is no different. Prying up the metal mass reveals some equally hefty thermal pads.
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It looks like the heat sink actually draws heat through the motherboard—we spy the real heavy
hittersheaters on the reverse. -
The plastic base and port cover slides off and the motherboard is free!
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With the heat sink off and the chips deshielded, we can get to the meat of the matter:
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Qualcomm Atheros IPQ8064 quad-core Internet Processor with 2 Krait 300 CPUs clocked at 1.4 GHz
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Micron MT41K256M16HA-125:E 4 Gb DDR3L SDRAM
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Qualcomm Atheros QCA8337-AL3C seven-port gigabit ethernet switch
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Qualcomm Atheros QCA9882-BR4A 802.11ac/a/b/g/n Wi-Fi SoC
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Qualcomm Atheros QCA9880-BR4A dual-band 3x3 MIMO 802.11ac/abgn WLAN SoC
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Silicon Labs EM3581 SOC network co-processor for ZigBee
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Skyworks SKY66109-11 2.4 GHz ZigBee/Smart Energy front-end module
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这个步骤还没有翻译 帮忙翻译一下
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But wait, there's more!
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Skyworks SE2623L-R 2.4 GHz WLAN power amplifier
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Skyworks SKY85405-11 802.11ac 5 GHz WLAN power amplifier
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Atheros AR3012-BL3D Bluetooth radio
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Bluetooth antenna
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Micron MTFC4GACAAAM-1M WT 4 GB NAND flash
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Micron N25Q064A 64 Mb SPI flash
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Infineon SLB9615 Trusted Platform Module
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这个步骤还没有翻译 帮忙翻译一下
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OnHub Repairability Score: 4 out of 10 (10 is easiest to repair)
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The speaker is replaceable.
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The device is mostly assembled with clips, which are better than adhesive but can break during disassembly.
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With all ports on a single board, fixing a loose USB port means a soldering repair.
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Tiny antenna connectors are fragile and prone to breaking during disassembly.
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This is a fairly complex device—and with no repair documentation available, disassembly and reassembly are especially difficult.
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6条评论
Those "arrow" antennas are a type of fractal antenna. With 2.4 GHz ~= 12.5 cm, full size antennas would be 2/3 the height of the entire unit, and would need more shielding from the motherboard.
Great writeup. I have but one question.
Where's the no-way-to-identify mystery chip that routes all of your data back to NSA? And where is the other no-way-to-identify-except-with-rainbow-color-paint chip that sends your traffic data to Google for targeted ads while you browse the Web?
you fool....
Did you notice anything that could at certain angles obstruct a portion of the lights at the top of the unit? Trying to figure out if I have a light that is going bad or if there is an antenna infront or behind it causing it to look dark in one small area. Thanks
Shawn Thor - 回复