The FLEX SERIES Simplex Repeater is similar to the discontinued Zetron Model 19.

This controller records up to ninety seconds worth up voice and tones. On playback the unit plays back not only the recorded message, it plays back a precorded message.

This unit is ideal for volunteer fire departments.

This unit is programmed by a telephone plugged in the rear of the unit and using the keypad from the telephone,

This unit is available in desk top and rack mount.

Programming is via a Windows based computer or remotely over the air using the DTMF keypad of the radio.