Hangzhou Gubei Electronics Technology Co. Ltd BL1205-P User Manual
8. AntennaCharacteristics
8.1 Antenna Selection
This module is only available with PCB antenna. In frequency range of 2.4-2.5GHz, the antenna
port S11 is less than -10dB with gain about 1.8dB.
port S11 is less than -10dB with gain about 1.8dB.