
OSH Park
IMP003.v02
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IMP003.v02
by
4
layer board of
1.46x0.71
inches
(37.08x17.91
mm).
Shared on
April 26th, 2016 03:42.
Significantly improved RF section, replaced pcb antenna with ceramic chip antenna, used 50 Ohm trace to antenna, and added 3V3 and GND at other board end.