(12)????????????????
?PCB ????????????6??? ... ???,?????????2.4GHz ???,????????????? ??????????????????????? ?? - ?????
900MHz??????????????????????2G?????????. ????3G??????????????TD?SCDMA?WCDMA???? ... ESP32-WROOM-DA - ??(EOL)
ESP32-WROOM-DA ???Wi-Fi + Bluetooth + Bluetooth BLE MCU ?????????PCB ???????. ESP32-WROOM-32E ?????????????? ... ??????
PCB??. ????. ????. ??. ??. 1,???????. 2?????. 1. ??????. ???;. 2. ???? ... ?????. ??GPS?WIFI. ???????. ??? ... ??PCB ??????- ???PCB ??
?????????????(EMC). ????????????????????????????????????????. ???????????????????????? ... OPTIMIZING SOLUTION FOR ANTENNA DESIGN
???????????. OPTIMIZING SOLUTION FOR ANTENNA DESIGN. ?????? ... PCB should have GND stripped areas around the antenna so as not to shield ... WH-GM5 ??????
... ????*1??????????. ????. ??(??). 24.5mm×28.14mm×2.4 ... ???????. GM5TF?WiFi/????? 65. GND. GND. P. ?. VSS. 0V. 66*. NC. NC. NC ? ... 5G ??·??????
????????????????????????????PCB ?FPC ??????????. ????????????????????????????? ... ESP8684-WROOM-06C
???????. 14 ???GPIO????????5 ???GPIO? ESP8684-WROOM-06C ??PCB ????? ESP8684-WROOM-06C ?????????????. Quectel EG912U-GL LTE Standard ??
... ????(??)). USB ?????. Windows 7/ 8/ 8.1/ 10/ 11, Linux 2.6~5.18 ... Pre-ES?PCB ????. ES???????????????????????Demo ... EC20 R2.1 ?????? - ???????????
2. ????????????????VDD ??? 5.3. ????. 5.3.1 ... PCB ???????????????????. ? PCB ????????????? ... ??????????
[5] PCB ??????????????????????PCB ???????? [6] ?????????????????????????????? [7] ??????? ... EMC Practical Design - ?????
??. C1. Page 66. PCB Layout. 2 Layer EMI layout skill. ? ???????? ... WiFi ???????????. ???????????????(HP)??????? ... Untitled - Googleapis.com
[0092] LTE ????????????????????????,??8??,??. 802 ??????????,??????????806?,??802????806 ??? TD-000508-05 TSC-7T.indd - Q-SYS
?????????????????????????????????. ????????????????????????. ????? - LCSC
? ???????????????& PCB ?????????????? ... ?????Bluetooth SIG ?????? ???????????? ... ??????_V1.03
????????????????????????????????????????????. ????????????????? ???. ?????? ... ?????002384.SZ??PCB ???????????????
2019 ?????FPC ?????????????????????. ?????PCB ????????????????????????. ?????????? ... ??????????????????????????
????????300Mbit/s?. 802.11n?????MIMO??????????. ????????????????? 14. ??????????????. ?????3044 - ????
?????????. ?????2008700083. ??????????????. ?????????????. ???????. ??????????????????. ????????113 ??????????????114 ?1 ?
??????????????TD-. LTE??????????????. ????. ? ... ????????????????. ?????. ??????. ???. 600,000. ????????
PCB??. ???? n?????. GSM/DCS/WCDMA/TD-CDMA/TD-. LTE/Wifi/GPS n?????????????? n???????????? n?????IPEX/Cable/Core n?? ... ????????
PCB??. ???? n?????. GSM/DCS/WCDMA/TD-CDMA/TD-. LTE/Wifi/GPS n?????????????? n???????????? n?????IPEX/Cable/Core n?? ...
