How to configure access point between 2 lans?

Have a local LAN of about 20 pc's, NAS drives, network printers, etc. linked through switch
The router is connected to internet, configured as DHCP server, permitting certain pc's internet access, others no.
IP family of
This setup works fine.
About 150 feet away is another LAN setup, IP family of
People in this second setup need to access NAS drive on first group.
Will the second group need to change to same IP family?

Got a TP-Link Wireless Access point, model TL-WA901ND
I need some advice for setting it up.

Can anyone help me for this?
Thanks so much in advance.
Janice L'AmoreauxWebmaster & PC managerAsked:
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What you would need, would be to link routers between the 192.168.0.** and the 192.168.1.*. then set ACL to allow the traffic from on lan to the other to access the the NAS

192.168.1x --router-<--192.168.x.x/30-->-router--192.168.0.x

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I'd recommend getting a small layer 3 switch, configuring the switch to have each network as a VLAN and to have routing rules between the two VLANs, then configuring the SSIDs on the AP with appropriate VLAN tags.
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