Name of the part
KCX_BT_EMITTER v1.7
Previous work, similar parts
None that has the same amout of I/Os that I could find.
Top view
This picture shows the part from above, so that is easy to see were connectors should go, and which diameter they have.
Datasheet
The official documentation of the part manufacture is linked here:
https://www.electro-tech-online.com/attachments/kcx_bt_emitter-english-pdf.140121/
Type
I did not read this
Breakout board, sub assembly, plug in module (A)
Antenna (AE)
Battery (BT)
Capacitor (C)
Diode (D)
Display (DS)
Fuse (F)
Hardware , mounting screws, etc. (H)
Jack, fixed part of a connector pair, header (J)
Relay (K)
Inductor, Coil, Ferrite bead (L)
Loudspeaker, Buzzer (LS)
Motor (M)
Microphone (MK)
Plug, moveable part of a connector pair (P)
Transistor (Q)
Resistor (R)
Thermistor (RT)
Varistor (RV)
Switch (S)
Transformer (T)
Integrated Circuit (IC)
Crystal, Oscillator (Y)
Zender diode (Z)
Other (please specifiy)
Footprint
E.g. SOT23-5 , TO-220.
This usually does not apply to breakout boards.