The Impro (QT) Quad Transmitter is a 4-channel, hand-held, 433.92 MHz transmitter as well as a passive key ring Transponder Tag.

The Transmitter is designed for use with the Impro Quad Receiver and with the Impro range of access control products.

Each of the four Push-buttons is used to transmit a different channel identification code, together with the Transmitter's ID, to the Receiver.

The Impro (QR) Quad Receiver receives the data transmitted by the Quad Transmitter. The Receiver then outputs the RF Tag ID and button data to for decoding by any connected IXP220 Controller, IXP20 Controller, Impro (iTRT) Intelligent Twin Remote Terminal, Impro (MfT) Multi-function Terminal or Impro (TA) Time Attendance Terminal.

For entry-level installations, the Quad Receiver is connected via S-Bus to the UniScan (1 relay activated by any one of the four buttons) or FlexiScan Controller (four relays mapped to the buttons on the Quad Transmitter).

The Quad Transmitter can also work as a passive, read only, 125 kHz Tag for use with the Impro range of Readers.In this application, the Push-buttons are not used.

An internal 3 V CR2032 lithium coin cell Battery powers the Transmitter.

Parameter Name	Parameter Value
Type	radio
Control interface	with buttons