If my Wi-Fi is unreliable, can the P3 still be used for mobile payments?

Name: Host Merchant Services
Address: 250 Corporate Blvd L, Newark, DE, 19702
Telephone: +1 302-224-9837
Price range: $$

Yes. The P3 supports dual-band Wi-Fi (2.4GHz and 5GHz) as well as cellular connectivity (3G/LTE/GSM), giving you multiple connection options based on your environment.