Ebyte E28-2G4M12S User Manual

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Contents

Ebyte E28-2G4M12S User Manual Manual pdf 2 page image

Chengdu Ebyte Electronic Technology Co., Ltd. E28-2G4M12S User ManualCopyright ©2012–2018，Chengdu Ebyte Electronic Technology Co.,Ltd. 1目录1. Overview................................................................................................................................................................................................21.1 Brief introduction ......................................................................................................................................................................21.2 Features .......................................................................................................................................................................................21.3 Application .................................................................................................................................................................................22.Specification and parameter ................................................................................................................................................................32.1 Limit parameter .........................................................................................................................................................................32.2 Operating parameter .................................................................................................................................................................33.Size and pin definit ion ..........................................................................................................................................................................44.Basic operation.......................................................................................................................................................................................54.1 Hardware design ................................................................................................................................................................54.2 So ftware ed iting ........................................................................................................................................................................55.Basic application .........................................................................................................................................................................65.1 Basic circuit d iagram ................................................................................................................................................................66.FA Q..........................................................................................................................................................................................................66.1 Co mmunicat ion range is too short .........................................................................................................................................66.2 Module is easy to damage........................................................................................................................................................76.3 BER(Bit Error Rate) is high ....................................................................................................................................................77.Production guidance..............................................................................................................................................................................77.1 Reflow soldering temperature .................................................................................................................................................77.2 Reflow soldering curve ............................................................................................................................................................88.E28 Series ...............................................................................................................................................................................................89.Antenna guidance ..................................................................................................................................................................................99.1 Antenna recommendation ........................................................................................................................................................99.2 Antenna selection ......................................................................................................................................................................9Revision history ..................................................................................................................................................................................... 10About us .................................................................................................................................................................................................. 10