Installation Instructions for the SE3403 Wireless (RF) Point Transmitter 1.0 General Information The GE3403 Point Transmitter is a magnetic and dry contact wireless transmitter used for monitoring doors, windows or other dry contact devices. The unit is equipped with an internal reed contact for use with an external magnet assembly, a cover tamper switch and RF supervision. The $E3403 also has the capability to accept a supervised dry contact input (2.2 kQ EOL included) from an textual device.