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. 2021 Mar 11;9:e00191. doi: 10.1016/j.ohx.2021.e00191
Designator Component Number Cost per unit -currency Total cost -currency Source of materials Material type
Feather M0 Feather M0 LoRa 1 $34.95 $34.95 Mouser Non-specific
Ethernet Featherwing Ethernet Featherwing 1 $19.95 $19.95 Mouser Non-specific
DC Barrel Jack Panel Mount 2.1 mm DC barrel jack 1 $2.95 $2.95 Mouser Non-specific
Power Supply 5 V 2A switching power supply 1 $7.95 $7.95 Mouser Non-specific
Yagi Antenna 900 MHz 9 dB Yagi antenna 1 Campbell Scientific Non-specific
RF Cable LOW-400-DB RF cable (70 ft.) 1 $83.80 $83.80 TXM Non-specific
Antenna Adapter Cable RP-SMA to u.Fl adapter cable 1 $15.93 $15.93 Mouser Non-specific
M3 inserts M3 Tapered Heat-Set Inserts 4(A) $0.13 $0.52 McMaster-Carr Metal
M3 Screws M3 × 0.5, 8 mm Stainless Steel Socket Head Screw 4(A) $0.05 $0.20 McMaster-Carr Metal