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One module with integral chip antenna (http://ww1.microchip.com/downloads/en/DeviceDoc/60001380C.pdf Cypress EZ-BLE PRoC Module (Bluetooth Smart) 21 Pin Module Digi XBee SMT RF ESP WROOM-02 espressif esp8266ex 2.4 GHz Wi-Fi and Bluetooth module, https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32d_esp32-wroom-32u_datasheet_en.pdf 2.4 GHz Wi-Fi and Bluetooth combo chip with U.FL connector, https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32d_esp32-wroom-32u_datasheet_en.pdf D52M ANT SoC Module https://www.thisisant.com/assets/resources/D00001687_D52_Module_Datasheet.v.2.3_(Garmin).pdf RF SoC Radio ANT Bluetooth BLE D52 nRF52 Garmin Canada Dynastream Nordic Low Power Long Range Transceiver Module LoRa Radio, RF, Module, http://www.hoperf.com/upload/rf/RFM69HW-V1.3.pdf 8 pin DIP socket A-004 4 Knobs Screws, nuts, and spacers (see [build notes](build.md)) | | Tayda | A-2939 | | J5, J12, J13 | 3 | 10uF | Electrolytic capacitor | | | | C10 | 3 | 1nF | Film capacitor | | | | R14 | 1 | 10 uF | Polarized capacitor | | | J9 | 3 Hardware/PCB/precadsr/precadsr.sch | 1867 Hardware/PCB/precadsr/precadsr.xml | 1557 Hardware/PCB/precadsr/sym-lib-table | 2 .../Unseen Servant/Unseen Servant.kicad_sch | 30 .../precadsr_aux_Gerbers/precadsr-F_Mask.gbr | 185 .../precadsr_aux_Gerbers/precadsr-F_Paste.gbr | 4 812d609d12 More assembly notes 45c41b9873 More mounting hole 2.7mm no annular m5 iso14580 Mounting Hole 3.2mm.

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