Mobile Client APP Select Customer by NFC Card

On the mobile client app when selecting a customer.
Can this be done by customers having members card and tapping the NFC card on the android tablet.

The business has members and non members. The members pay a yearly membership, this gives them a discount on items sold.

When taking orders outside on the mobile app, they want this to work using a sim card data rather than wifi.

If this is possible, how is it done please.

Thanks all

You can open up your message server to the internet and it will work fine with SIM card. But you should take precautions to secure that port.

One idea is only allowing the MAC address of that device.

Thanks and the mobile client app when selecting a customer.
Can this be done by customers having members card and tapping the NFC card on the android tablet with the sambapos mobile client app installed.

This can’t be done right now. It’s not simple access for that.