Solution for monitoring water tank levels at home, with automated pump controller to ensure main tank is well supplied.

Solution includes a wireless transmitter and a level sensor at the tank and a wireless receiver/gateway at the house. A pump controller is connected wirelessly to the gateway for automated water control to the main tank.

The wireless gateway is connected to a cellular router with an external antenna setup for cellular signal improvement (device antenna kit for different devices here). 

Attached drawing is for 900 MHz ISM radios with various signal improvement accessories to ensure proper signal reception for the outdoor pump controller.