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2,151 bytes added ,  13:59, 22 September 2023
I updated this entry to have more accurate information about the previously unknown transceiver IC.
 [[File:Photo3.jpg|621x621px|thumb]]== What is it? ==[[Home]] appliance to control other [[Amazon]] [[Blink]] devices. 
According to the manufacturer:
"The Sync Module is a hub that plugs into an electrical outlet to relay commands and network details to devices in the system it manages. The [https://support.blinkforhome.com/en_US/faq-sm/sync-module-2-faqs Sync Module 2 ] requires a power outlet and is connected to your always-on Wi-Fi network to handle activity for up to ten [[Blink ]] devices. This extends camera battery life, saves clips without a subscription, improves convenience for scheduling, and arms a group of devices at once."<ref>[ https://support.blinkforhome.com/en_US/faq-sm/sync-module-2-faqs]</ref> ==What can it do?== *Control Blink devices (cameras, doorbells, etc) from the Blink mobile app*Connect up to 10 of any Blink Outdoor 4, Wired Floodlight, Outdoor and Indoor (all models), XT2, XT, Video Doorbell*, and Mini* cameras.*Support local video storage for up to 10 Blink cameras.*Record and store motion clips when you insert a USB flash drive (up to 256 GB). ==Main components=====Microcontroller===NXP MCIMX6Z0DVM09AB<ref name="NXP MCIMX6Z0DVM09AB">https://www.nxp.com/part/MCIMX6Z0DVM09AB#/</ref> *[[ARM]] [[Cortex-A7]] running Linux*900MHz*SRAM: 128kB*SPI/UART/I2C*96KB bootrom, 128KB internal RAM*Has Arm TrustZone ===Wifi/Bluetooth Module===[[NXP]] 88W8987-NYE2<ref name="NXP 88W8987-NYE2">https://www.nxp.com/products/wireless-connectivity/wi-fi-plus-bluetooth-plus-802-15-4/2-4-5-ghz-dual-band-1x1-wi-fi-5-802-11ac-plus-bluetooth-5-2-solution:88W8987</ref> *2.4/5Ghz Wifi*Bluetooth 5.2 (BLE also) ===Serial flash===[[Winbond]] 25Q256JVEQ<ref name="Winbond 25Q256JVEQ">https://www.winbond.com/hq/product/code-storage-flash-memory/serial-nor-flash/?__locale=en&partNo=W25Q256JV</ref> *256M-bit*Dual/Quad SPI XIP (133MHz SPI) ===RAM===[[ISSI]] IS43TR16640BL<ref name="ISSI IS43TR16640BL">https://www.issi.com/WW/pdf/43-46TR16640B-81280BL.pdf</ref> *1GB SDRAM*16bit DDR3 ===Sub-GHz "EZRadio" Transceiver===Markings: 455A CQRX 220
== What can it do? ==Silicon Labs Si4455<ref>https://www.silabs.com/documents/public/data-sheets/Si4455.pdf</ref>
* Control Blink devices Frequency of 283–960 MHz* –116 dBm Sensitivity* Modulation:** (cameras, doorbells, etcG) from the Blink mobile appFSK* Connect up to 10 of any Blink Outdoor 4, Wired Floodlight, Outdoor and Indoor (all models), XT2, XT, Video Doorbell*, and MiniOOK* +13 dBm Max output power* cameras. 50 nA Standby Current* Support local video storage for up to 10 Blink cameras. 500 kbps Max Data Rate* Record and store motion clips when you insert a USB flash drive (up 1.8 to 256 GB)3.6 VDC
== Teardown pictures==
<gallery>
Blink_syncmodule2_photo1File:Blink syncmodule2 photo1.jpg|Caption1Front face of the BSM2ExampleFile:Photo2.jpg|Caption2Back face of the BSM2File:Photo3.jpg|Top viewFile:Photo4.jpg|To take off the top part just use a spudger, guitar pic, etc. No glue or screws to take the top cover off.File:Photo5.jpg|PCB view (top)File:Photo6.jpg|PCB view (top) closeupFile:Photo8.jpg|PCB view (bottom)File:Photo9.jpg|Serial Flash closeupFile:Photo10.jpg|MCU closeupFile:Photo11.jpg|SRAM closeupFile:Unknown ic.png|Si4455File:Photo12.jpg|Wifi/BT module closeupFile:Bottom layer zoom.jpgFile:Sync module 2 top layer zoom.jpg
</gallery>
 
==Serial Communications==
It is possible to read the boot of the device by connecting to the indicated pin.
 
Baud rate is 115200.
[[File:Txpin.png|none|frame]]
 
==References==
<references />