
T3941 – Infrared Contactless RF Transmitter

The T3941 – Infrared Contactless RF Transmitter is a high security transmitter with rolling code technology, ideal for general activation of a receiver, generally used as an exit device.
Operating at 433,92 MHz in AM/ASK modulation, the T3941 comprises an infrared sensitive circuit and a radio transmitter. It enables the contactless, touch-free operation of gates, garage doors or any system featuring a corresponding compatible 433 MHz receiver.
T3941 is an infrared device – a simple wave of the hand will activate the radio signal and thanks to its audible feedback, the user will be informed of his status.
Thanks to its 3V battery it does not require any wiring, making the installation simple and easy. The T3941 is supplied with a CR123A lithium battery providing an estimated functioning life of approx. 2 years.
KEY FEATURES | |
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Contactless, touch-free infrared RF transmitter | ![]() |
1 channel | ![]() |
Suited for outdoor installations (IP55 enclosure) | ![]() |
Adjustable detection range | ![]() |
Audible feedback | ![]() |
Battery powered (no wires required) | ![]() |
TECHNICAL SPECIFICATIONS | ||
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Frequency | 433.92MHz | |
Modulation | AM/ASK | |
Coding | Rolling Code Keeloq® | |
Transmission range | 200 to 400m in open field | |
Detection range | 1 to 18cm | |
Activation sensitivity | Approx. 3 – 14 cm | |
Effective transmitting power | 1mW | |
Power supply | 3V (CR123A battery included) | |
Operating temperature | -20°/+80°C | |
Enclosure IP grade | IP55 | |
Dimensions | 60 x 90 x 27 mm | |
Weight | 93 grams |
T3942 – Touch Sensitive RF Transmitters

The T3942 – Touch Sensitive RF Transmitter is a high security transmitter with rolling code technology, ideal for general activation of a receiver, generally used as an exit device.
Operating at 433,92 MHz in AM/ASK modulation, the T3942 comprises a capacitive touch sensitive circuit and a radio transmitter.
The enclosure protection grade – IP55 – allows for outdoor installations, so the T3942 can be used to operate gates, garage doors or any system featuring a corresponding compatible 433 MHz receiver.
The T3942 is touch sensitive – a simple touch will activate the radio signal and thanks to its audible feedback, the user will be informed of his status.
Thanks to its 3V battery it does not require any wiring, making the installation simple and easy. The T3942 is supplied with a CR123A lithium battery providing an estimated functioning life of approx. 2 years.
KEY FEATURES | |
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High security touch sensitive transmitter | ![]() |
1 channel | ![]() |
No wires (battery operated) | ![]() |
IP55 Enclosure | ![]() |
200 to 400m range in open field | ![]() |
Audible feedback | ![]() |
TECHNICAL SPECIFICATIONS | ||
---|---|---|
Frequency | 433.92MHz | |
Modulation | AM/ASK | |
Coding | Rolling Code Keeloq® | |
Transmission range | 200 to 400m in open field | |
Detection range | 1 to 18cm | |
Channel | 1 | |
Effective transmitting power | 1mW | |
Supply | 3V (CR123A battery included) |
T3943 – 1,2 or 4-Channel Handheld RF Transmitters

The T3943 range are high security 1, 2, or 4-channel transmitters with rolling code technology and are ideal for automated doors and gates, public or private access, residential or industrial environments.
The full range of handheld transmitters are rolling code technology – rolling code increases the security of the transmitted signal by changing constantly.
Each product is powered with a changeable battery.
KEY FEATURES | |
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Handheld transmitters | ![]() |
Up to 250m range in open field | ![]() |
Available in 1, 2 or-4 channel versions | ![]() |
Internal and external use | ![]() |
Cost effective switching | ![]() |
Wire-free application | ![]() |
TECHNICAL SPECIFICATIONS | ||
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Frequency | 433.92MHz | |
Modulation | AM/ASK | |
Coding | Rolling Code Keeloq® | |
Transmission range | Up to 250m in open field | |
Supply | 3V (CR2032 Lithium battery included) |
T3944 – Universal RF Transmitter

T3944 Universal RF Transmitters are small, single channel transmitters that will convert a standard switch into a radio switch.
It is ideal for fitting into exit buttons or any device where cabling is difficult, for normally open connections (push-to-make).
The range is up to 1000 meters in open range thanks to its 9V battery power.
KEY FEATURES | |
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Universal converting transmitter | ![]() |
1 channel | ![]() |
Can turn a contact into an RF signal | ![]() |
Up to 1,000m in open field | ![]() |
Open connections (push-to-make) | ![]() |
Wire-free application | ![]() |
TECHNICAL SPECIFICATIONS | ||
---|---|---|
Frequency | 433.92MHz | |
Modulation | AM/ASK | |
Coding | Rolling Code Keeloq® | |
Transmission range | Up to 1000m in open field | |
Battery cable | 200mm | |
Effective transmitting power | 100 to 120 μW | |
Supply | 9V (Battery 6LR61) | |
Consumption: | 17mA |