Low Power WiFi Module User Manual V1.3
http://www.tcp232.net
Jinan USR IOT Technology Limited.
Page 13 of 59
1.2.5. External Antenna
USR-WIFI232-G module supports internal antenna and external antenna option for user dedicated
application.
If user select external antenna, USR-WIFI232-G modules must be connected to the 2.4G antenna
according to IEEE 802.11b/g/n standards.
The antenna parameters required as follows:
Table 3
USR-WIFI232-G External Antenna Parameters
1.2.6. Evaluation Kit
USR company provides the evaluation kit to promote user to familiar the product and develop the
detailed application. The evaluation kit shown as below, user can connect to USR-WIFI232-G module
with the RS-232 UART, RS485, USB (Internal UART-USB convetor) or Wireless port to configure the
parameters, manage the module or do the some functional tests.
Figure 6. USR-WIFI232-G Evaluation Kit
Notes: User need download USB - UART port driver from USR company web or contact with technical
support people for more detail.
The external interface description for evaluation kit as follows:
Item
Parameters
Frequency range
2.4~2.5GHz
Impedance
50 Ohm
VSWR
2 (Max)
Return Loss
-10dB (Max)
Connector Type
I-PEX or populate directly