Elekitsorparts FUNtronics NPR-70 Assembly Manual - Page 5

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Elekitsorparts Store Item Name: NPR-70 Modem

Adjust your soldering iron to the highest temperature that it can go. Solder the 2 pins indicated in the picture below.

Because these 2 pads are connected to GND, and the large areas of copper will cause heat to dissipate quickly, so please keep

the tip of your solder iron stopping on the solder pad for a sufficient amount of time to ensure that the solder is completely

melted.

Next, turn the PCB over to another side. Please solder 2 through-hole pins under the RF module. Keep in mind, these 2

pins connected to the PCB's GND also, so make sure all of the solder are melted properly and the melted solder will go

through the hole to the bottom of RF module. When it is done, the RF module and the main PCB will keep together.

Now let's solder the rest pins, it should look like this when it is finished.

Item No.: H10015K

Document Type:Assembly Guide