Compatible with Bluetooth low energy technology
Makes the system compatible with global radio planning: ETSI EN 300 328 and EN 300 440 Class 2 (Europe), FCC CFR47 Part 15 (US), and ARIB STD-T66 (Japan)
Low power consumption, Power Mode 2 (Sleep Timer open) state only 0.9uA
High performance and low power 8051 microcontroller core
Using low-power Bluetooth v4.0 compliant with Bluetooth protocol stack
Full-speed USB interface
256KB system program with Flash and 8KB SRAM
RSSI and carrier sense indicator output
Output power range -20 ~ +4 dBm
Small size: 15 mm X21 mm X0.8mm, optional antenna