Amazon Echo Dot (B7W64E)

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Amazon Echo Dot 4 Gen (B7W64E)

FCC approval date: 24 September 2020
(Est.) release date: November 2020
(Est.) initial retail price (in USD): $60
UPC: 840080564401 (UPC DB, On eBay)
Country of manuf.: Vietnam

Amazon image

ASINs
B085M66LH1 (Flag of the United States.svg, On Amazon, On CCC)
B085K45C3S (Flag of the United States.svg, On Amazon, On CCC)
multiple revisions of this device, use caution

Type: IoT hub, wireless speaker system

FCC ID: 2ALXK-2768
IC ID: 25980-2768
PCB ID: 30-005605

Power: 12 VDC, 1.25 A
Connector type: barrel

CPU1: MediaTek MT8512 (2.0 GHz, 2 cores)
FLA1: 512 MiB536,870,912 B <br />4,194,304 Kib <br />524,288 KiB <br />4,096 Mib <br />0.5 GiB <br /> (Micron MT29F4G01ABAFDWB-IT:F)
RAM1: 512 MiB536,870,912 B <br />4,194,304 Kib <br />524,288 KiB <br />4,096 Mib <br />0.5 GiB <br /> (Micron MT53E256M16D1DS-046 WT:B)

Expansion IFs: none specified

WI1 chip1: MediaTek MT7653BSN
WI1 802dot11 protocols: abgn+ac
WI1 MIMO config: 1x1:1
WI1 antenna connector: none

abgn+ac

Additional chips
Quad-Channel 768kHz Burr-Brown Audio ADC;TI;TLV320ADC5140;;1;
25mW Cap Free Stereo Headphone Amplifier;Diodes Inc;PAM8908;;1;
36-Channel I2C Constant Current RGB LED Driver;TI;LP5036;;1;
20V Digital Input Class-DG Amplifier;Maxim;MAX98396;;1;
PMIC;MediaTek;MT6398AN;;1;

Flags: Bluetooth 5.0, Audio out (3.5 mm), Alexa support

802dot11 OUI: 68:B6:91

For a list of all currently documented MediaTek chipsets with specifications, see MediaTek.


Smart Home Solution Speaker with Clock

Product page

"30-005605" and "REV 01" are silkscreened on main board.

Links

Hardware specification

Dual-core ARM (Cortex-A53)
Amazon AZ1 Neural Edge
  • Storage: 512MB (SPI NAND) Flash
  • Memory: 512MB (LPDDR4) RAM
  • Wi-Fi: MediaTek MT7653BSN (SDIO)
802.11abgn/ac 2.4/5GHz + BT 5.0
  • Power Source: 12V 1.25A via barrel

See also

Amazon Echo DevicesAmazon Fire TV Devices
  • Amazon Echo (4th Gen) • Spherical design with rich sound, smart home hub, and Alexa
  • Amazon Echo Dot (5th Gen, 2022) with Clock • Smart speaker with clock and Alexa
  • Amazon Echo Plus (2nd Gen) • Smart home hub with spherical design and Alexa
  • Amazon Echo Show 8 (2nd Gen, 2021) • HD smart display with Alexa and 13MP camera
  • Amazon Echo Show 5 (2nd Gen, 2021) • Smart display with Alexa and 2MP camera
  • Amazon Echo Glow • Multicolor smart lamp for kids, compatible Alexa device
  • Echo Sub • Powerful subwoofer for Echo, requires compatible Echo device
  • Echo Studio • Smart speaker with Dolby Atmos, spatial audio and Alexa
  • Amazon Smart Plug • Smart Plug for home automation, works with Alexa