M4 RF HB SW2.4 RF GFI SW2.4 RF GFSI SW2.4 RF GFS 2 SW2.4 Wireless receiver RF RxT SW2.4 4W-VAL 24 VAC/DC Wireless receiver RF RxT SW2.4 4W 24 VAC/DC RF-magnet antenna 2.4 GHz 1 m RF SMA antenna socket 0.5 m RF SMA antenna extension 3 m Power supply 24V DC for Wireless receiver RF Rx Foot switch RF GF … SW2.4-safe, power supply RF GFSI SW2.4-safe (SET) RF GFI SW2.4-safe (SET) RF GFS SW2.4-safe (SET) RF GF SW2.4-safe (SET)