PWM
BM70:supports 3-channel PWM;
BM71: supports 1-channel PWM
Antenna
•Chip antenna (BM7xBLES1FC2) range based on open air measurement and phone-module connection:
-BM70: up to 50m
-BM71: up to 10m
•External antenna (BM7xBLE01FC2) connection through RF pad
RF Features
•ISM band 2.402 GHz to 2.480 GHz operation
•Channels: 0 to 39
•Receive Sensitivity: typical -90 dBm (LE)
•Transmit Power: 0 dBm (typical)
•Received Signal Strength Indication (RSSI) monitor with 1 dB resolution