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 3. GQ EMF EF Meter RF Spectrum Power Analyzer
 USB cable spec

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T O P I C    R E V I E W
rogerh Posted - 03/26/2022 : 15:20:38
Hello,

Just got an emf-390, but do not have a compatible usb connector for the unit. Can someone please let me know the precise spec of the usb needed, so I can start looking for a suitable adapter cable.

Fortunately the battery is at 75%, so I can play for a while....

thanks -- Roger
3   L A T E S T    R E P L I E S    (Newest First)
EmfDev Posted - 11/06/2023 : 16:28:53
@Nonly,

1. Yes.
2. Battery is Li-ion 18650 2500mAh 3.6/3.7V
Nonly Posted - 11/06/2023 : 15:03:28
1. I have an adapter from an older tablet with the specifications: Output 5V, 1.5A Is it good to charge the battery in GQ-390?
2. If it's possible to specify the full type of battery in GQ-390 (mAh etc.) Thanks.
EmfDev Posted - 03/28/2022 : 09:51:56
Hi rogerh, you can use any 5V usb adapter or any computer usb port.

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