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66% OFF DIY M590E GSM GPRS Communication Module Kit Dual Band 900/1800MHZ 85.6 Kbit/s 900m-1800m For ₹294.61 ₹855.57 View It

Overall:

Kerteszradio 17/11/2016

As many buyer, i'am got a used M590 chip's. But seen on the photos, not a brand new. Fortunately all chip working. And another warning : the M590 chip datasheet suggest 3.3-4.2V dc supply, and not allowed the seriell diode, because on momentary the chip drawn max 2A current. Also not allowed the direct +5V. So be careful.

Comments (2)

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Banggood Dear customer, Some products will be tested before shipping out. Hope you can understand. Best regards.
21/05/2024

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dldavis007 They're used parts! It is obvious when there is considerable wear on the label of the GSM module and solder on the pins. Also there is no need to test the SIM socket. It was obviously "used" because it had been de-soldered. The PCB is new as well as some of the resistors and capacitors.The description should indicate the parts are "used". It is still a good deal if it works, but you should be honest about some of the parts being used.
Reply 11/01/2017

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