Chengdu Ebyte Electronic Technology Co., Ltd. E34-2G4D20D User manualCopyright ©2012–2018, Chengdu Ebyte Electronic Technology Co.,Ltd. 1413.Batch packagingRevision historyVersion Date Description Issued byv1.0 2018-01-08 Original version huaav5.0 2018-07-20 Content added Huaav6.0 2018-10-24 Model No. split HuaaV6.1 2019-3-19 Content added RayAbout usWebsite: www.ebyte.com Sales: info@cdebyte.com Support: support@cdebyte.comTel: +86-28-61399028 Ext. 812 Fax: +86-28-64146160ddress: Innovation Center B333~D347, 4# XI-XIN road,High-tech district (west), Chengdu, Sichuan, China