RF Parameter Value Remark Working frequency 2379~2496 MHz Default: 2

4GHz (16MHz oscillator) Transmitting power 4 dBm About 2

5mW Receiving sensitivity -96 dBm Air data rate: 250kbps Air data rate 250kbps, 1Mbps, 2Mbps Default: 250kbps Test distance 110m In open and clear air, with maximum power, 5dBi antenna gain, height of 2m, air data rate: 250kbps Hardware Parameter Value Remark IC nRF51822-QFAA/QFN48 - FLASH 256 KB - RAM 16 KB - Core ARM® Cortex™ M0 - Size 17

5 * 28

7 mm - Antenna type PCB / IPEX - Communication interface I/O - Package SMD - Electronic parameter Min

Typ

Max

Unit Condition Power supply 2

1 3

3 3

6 V Communication level 2

1 3

3 3

6 V Transmitting current 13 14 15 mA 4dBm（2

5mW） Receiving current 11

3 12

6 13

8 mA Sleep current 0

5 1 2

5 μA Operating temperature -40 20 85 ℃ Operating humidity 10 60 90 % Storage temperature -40 20 125 ℃