The signalwing's j3f-a-20 is specially designed for small or medium sized indoor area, such residential, offices, inner large building or suburb low traffic location with poor connection. Elegant in it's design, it's one of the best cost effective solutions. The j3f-a-20 mini repeater works sufficiently and reliably to optimize cell phone reception for any relevant system in gsm, cdma, wcdma or 4g lte. System status is clearly visible by led indicators. The light weight and compact size makes it ideal for easy installation. The coverage of j3f-a is ranging from 500~1500 square meters due to different 5. Automatic gain control and manual gain control. 6. Intelligent mode setting, automatically set the values. 7. Auto shut off function available to avoid the damage and interference in unusual signal conditions. 8. Easy installation & maintenance. 9. Extend cell phone battery life. Power supply Ac:110~240v; dc: 9v/4a Operating temperature -10¡æ~50¡æ Environment conditions Ip30 Dimensions (d x w x h ) 186*122*65mm Weight ¡ü2kg
