BGM123N256V2R
Bluetooth v4.2 (BLE) SMART SOC IoT 3.3V 56-Pin T/R

From SILICON LABS

ISM BandNOT REQUIRED
MountingSurface Mount
Operating Supply Voltage (Max)3.8(V)
Operating Supply Voltage (Min)1.85(V)
Operating Supply Voltage (Typ)3.3(V)
Operating Temperature (Max)85C
Operating Temperature (Min)-40C
PackagingTape and Reel
Pin Count56
Rad HardenedNo

External links