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243 bytes added , 13:59, 22 September 2023

I updated this entry to have more accurate information about the previously unknown transceiver IC.

*16bit DDR3

===~~Unknown IC~~Sub-GHz "EZRadio" Transceiver===

Markings: 455A CQRX 220

~~Unknown purpose~~Silicon Labs Si4455<ref>https://www. ~~Maybe custom radio~~silabs.com/documents/public/data-sheets/Si4455.pdf</ref> * Frequency of 283–960 MHz* –116 dBm Sensitivity* Modulation:** (G)FSK** OOK* +13 dBm Max output power* 50 nA Standby Current* 500 kbps Max Data Rate* 1.8 to 3.6 VDC

==Teardown pictures==

File:Photo10.jpg|MCU closeup

File:Photo11.jpg|SRAM closeup

File:Unknown ic.png|~~Unknown IC closeup~~Si4455

File:Photo12.jpg|Wifi/BT module closeup

File:Bottom layer zoom.jpg

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Revision as of 13:59, 22 September 2023