but the plugin does have a parameter you can change in the code:
#Plugin variables
pluginInterval = 10 #in seconds
dataInterval = 60 #in seconds
dataIntervalCount = 0
use_p1_device = False


and when you use the "P1-WiFi-Gateway" hardware, you can change the frequency in the hardware setup ...

I think using the python plugin would be the easiest option as Domoticz will do the communication for you. No need to worry about keeping another service up and manipulate a Domoticz hardware gateway.

https://github.com/gettevan/HomeWizard-Wifi-p1-plugin

I was transitioning from wired P1 to ...

I am using a python script to connect the P1 dongle to the native domoticz P1 driver (with LAN interface):
It's basically a server waiting for connection from domoticz. When connected, it polls the dongle and pushes telegrams to the domoticz P1 driver.
The poll period should be shorter (here: 5s ...