How much more expensive is Xi'an Shenghongchuang's wireless pressure transmitter than the wired version? Where is the additional cost mainly spent?

In the actual use of wireless transmission pressure transmitters on factory sites, are data packet loss or delays frequent?

Does the data encryption method of wireless transmission pressure transmitters comply with the industrial-site security requirements for OPC UA communication?

For wireless transmission pressure transmitters, does using the LoRa or NB-IoT protocol have a greater impact on internal signal coverage within the plant?