Product Info

Wi-Fi&BT Module Series
FC21 Hardware Design
FC21_Hardware_Design 32 / 52
Table 19: Antenna Requirements
3.7.6. Recommended RF Connector for Antenna Installation
If RF connector is used for antenna connection, it is recommended to use the U.FL-R-SMT connector
provided by Hirose.
Figure 17: Dimensions of the U.FL-R-SMT Connector (Unit: mm)
U.FL-LP serial connectors listed in the following figure can be used to match the U.FL-R-SMT.
Type Requirements
Frequency Range
2.412GHz~2.472GHz
5.180GHz~5.825GHz
VSWR < 2:1 recommended
Gain (dBi) Typically 1
Max Input Power (W) 50
Input Impedance (Ω) 50
Polarization Type Vertical
批注 [RL14]: 这个是连接器
吧，中文里写的是连接线，要不
要改为连接器