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IQRF TR-x2DA(T) modules, http://iqrf.org/weben/downloads.php?id=104 Bluetooth v4.2 + NFC module Modtronix Wireless SX1276 LoRa Module (http://modtronix.com/img/prod/imod/inair9/inair_dimensions.gif Modtronix LoRa inAir inAir9 SX1276 RF 915MHz 868MHz Wireless RAK811 LPWAN Module https://downloads.rakwireless.com/LoRa/RAK4200/Hardware-Specification/RAK4200_Module_Specifications_V1.4.pdf Class 2 Bluetooth Module without antenna Low-Power Long Range Transceiver Module THT-16 (https://www.hoperf.com/data/upload/portal/20181127/5bfcbea20e9ef.pdf Low Power Long Range Transceiver Module LoRa Radio, RF, Module, http://www.hoperf.com/upload/rf/RFM69HW-V1.3.pdf 8 pin DIP socket | | | J2 | 1 | ICM7555xP | CMOS General Purpose Timer, 555 compatible, PDIP-8 Quad operational amplifier, DIP-14 | | Tayda | A-826 | | S3 | 1 | 1uF | Film capacitor | | Tayda | A-159 | | | | R25, R27, R29 | 3 | 1k | Resistor | | | R9, R11, R13 | 3 | 10 nF Docs/precadsr.pdf .

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