Introduction
The transmittersACT 433TX andACT 433TX prox are two-button
battery-powered radio devices, operating at 433.92MHz with FM-
F K modulation. They can be used with a complete family of
receiver products fromACT. The transmitters will operate from a
few metres up to 100 metres depending on environmental
conditions (see receiver products for more details). The 2 3V
lithium batteries of the transmitter are replaceable. The ACT
433TX and ACT 433TX prox fully comply with European
Directives 73/23/EEC and 89/336/EEC.
TheACT 433TX prox also functions as anACTProx (ACT RFID)
proximity fob. It is compatibile with allACT pro-X andACTsmart
2 readers.
Technical Specification
Operating frequency 433.92MHz
M dulati n F K
E.R.P 5µW
Supply 6Volts
Batteries CR2032
Battery life 2 years
Transmissi n peri d 2.3 sec.
Transmissi n durati n 7msec.
Current c nsumpti n 4mA
Maximum range in free space 100m
Operating temperature -20 - +70 °C
Overall dimensi n 71.5 x 42.5 x 16 mm
Weight 20 gm.
Ordering Information
Activation Procedure
Both theACT 433TX andACT 433TX prox transmitters have two
buttons (left and right) and an LED indicator. While either button
is pressed, the LED indicator will flash indicating that a RF signal
is being sent to the receiver.
Battery Access
Unscrew the bottom side plastics and disassemble top and bottom
plastics to access the batteries. Place both batteries with positive
pole upward.
NOTE: Dispose of old batteries in an environmentally safe way.
ACT 433TX
ACT 433TX pr x
Unit C1, South City Business Centre,
Tallaght, Dublin 24, Irelan
Tel: 353-1-4662570 Fax: 353-1-4520427 UK Locall: 0845 300 5204
Copyright ©2008 Access Control Technology Ltd.
ACT 433TX and ACT 433TX prox
2 Channel RF Transmitter
ACT 433TX Transmitter
ACT 433TX Transmitter with an
ACTPr x pr ximity f b