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Chengdu Ebyte Electronic Technology Co.,Ltd.
E73-TBX User Manual
1.3.5. Extended pin header
The remaining GPIO and NFC interfaces are brought out.
1.4. Development Board Interface Description
1.4.1. External antenna connection
The IPEX antenna mount is reserved on the E73-TBX. If users need to use the external antenna, please solder the last
matching capacitor of the module to the position inside the circle, and then plug the external copper tube or rubber antenna
into the IPEX seat. The antenna selection part of the corresponding module manual can be seen in detail.
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