Google recently released its first intelligent router product, Google OnHub, and officially set foot in the router business. Google's purpose of launching smart routers at this time is well known. Since its acquisition of Nest Labs, an intelligent temperature control company, with 3.2 billion dollars last year, its layout in the field of smart home can be seen. Today's release of OnHub highlights Google's determination to promote its own Internet of Things system, Brillo. In the future, OnHub is likely to be the control center of Google's smart devices. Today, let's unlock the true face of this mysterious router. (Source: iFixit translation: 91 disassembly)

• Dual core 1.4GHz CPU

• 4 GB e-MCC flash memory

• IEEE802.11 B / G / N / AC

• Dual band 2.4GHz and 5GHz 12 antenna arrays

• Congestion induction antenna

• USB 3.0 port+Bluetooth 4.0

• 1 GB DDR3L RAM

The lights of Google Router will not flicker. We hope the lights will not dazzle at night. LED lights change color according to the use status. Blue means you can use it. Orange means the network is faulty.

A light sensor is hidden in the loudspeaker cell at the top to adjust the brightness.

The shell is still easy to remove. The main needs to rotate it to remove the shell.

The air circulation of the enclosure is very good, so OnHub has no fan and is completely cooled by nature.

After removing the shell, we saw the logo of TP-LINK. Google's hardware products have always been launched in the form of OEM.

Let's start with the rubber floor mat. After tearing off the floor mat, several screws were found below.

Remove the bottom screws.

We tried unsuccessfully to pry it open along the gap in the middle of the shell.

Then we turned our attention to the seemingly solid top. We slowly pried it open with a crowbar.

After opening the top, the first thing you can see is the congestion sensor antenna. It is connected inside by coaxial cable, and we can't remove it now, but put it aside first. There are LED lights and light sensors under the congestion sensing antenna.

Now we can separate the shell.

After opening the shell, we can pull out the coaxial cable of the congestion induction antenna.

There are 12 coaxial antenna cables on the upper edge of the motherboard, corresponding to 6 2.4GHz antennas and 6 5GHz antennas respectively. With the congestion sensing antenna just removed, OnHub has 13 antennas in total. We can see that there are several screws on the circuit board, and we unscrew them.

After removing the screws, we can also remove the other half of the housing. A diamond shaped antenna with special shape is installed on the inside of the shell.

After removing all the housings, we can see the entire antenna assembly. There are many antenna coaxial cables connected to the motherboard.

After removing a dozen coaxial cables, we finally removed the antenna assembly.

There is a large speaker installed on the back of the antenna assembly. We don't understand why Google Router needs a 3W speaker.

After the speaker is removed, we can carefully observe the antenna assembly. From the structural layout of this antenna assembly, we can see that this is an omnidirectional antenna array. The 2.4GHz and 5GHz antennas are spaced in all directions, so that each direction has sufficient signal coverage.

The longer coaxial cable is connected to the motherboard. It is connected to a ZigBe processor, corresponding to the upcoming 802.15.4 standard.

Now we can remove the heat sink. Interestingly, there is a reflection groove design on the heat sink. We infer that it is used together with the diamond antenna removed earlier. As a reflection plate, the heat sink provides a directional antenna to enhance the signal in a specific direction.

The heat sink is very large, and there is a thermal conductive silicon pad connected with the chip below.

Now you can remove the motherboard from the base. The motherboard is inserted into the base.

After removing the motherboard, let's see which chips are equipped on it:

• Red: Qualcomm IPQ8064 network processor 2 Krait 300 processor, main frequency 1.4 GHz

• Orange: MG MT41K256M16HA 4Gb DDR3L SDRAM

• Yellow: Qualcomm Chuangrui QCA8337

• Green: Qualcomm Creative QCA9882

• Light blue: Qualcomm Creative QCA9880

• Dark blue: EM3581 SOC ZigBee network coprocessor of Silicon Labs

• Purple: Skyworks 66109 2.4 GHz ZigBee intelligent energy front-end module

positive

• Red: Skyworks SKY2623L 2.4 GHz WLAN power amplifier

• Orange: Skyworks SKY85405 802.11ac 5GHz WLAN power amplifier

• Yellow: Atheros 3012-BL3D Bluetooth radio transmitter

• Green: Bluetooth antenna

the other side

• Light blue: Meguiar MTFC4GACAAAM 4 GB NAND flash memory

• Dark blue: Micron 25Q064A 64 MB SPI flash memory

• Purple: Infineon SLB9615 Trusted Platform Module

All right, the above is all the dismantling content of Google OnHub. The iFixit gives OnHub a score of 4 out of 10, which is not high. The device is mainly combined by screws and buckles, which is easier to repair than glued ones, but the molds are all made of plastic and may break during disassembly. In addition, the structural design of OnHub is very complex. Google has not provided a maintenance manual, so it is difficult to disassemble and reassemble.

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