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Access Control > Wireless Transmitters and Receivers

SEN/R/T1 – Sentry 1 Channel Transmitter French Rolling Code

SEN/R/T1 – Sentry 1 Channel Transmitter French Rolling Code



The Sentry 1 channel transmitter French Rolling code is just one of the products in our wireless transmitter and receiver range. It has a short range frequency @433.92 MHz and a range of up to 100 metres in clear line of sight. An unlimited number of transmitters can be used with each receiver but all transmitters must be set to the same dip switch code.

Sentry 1 Channel Transmitter French Rolling Code Specification:

  • French Rolling code dip switch coding (1,048,576 combinations, 28 bit)
  • 1 button
  • Key fob type
  • Cased in high quality ABS / PVC
  • 433.92MHz
  • Surface mounted technology
  • SAW resonator stabilised
  • Power by ready available internal 12v batteries (L1028 12 volt)
  • Output power +1- 0,25mW.
  • Stability + 1- 50 KHz.
  • Size- 65mm x 32mm x 14mm.
  • Range up to l00 meters clear line of sight (dependent).


*French Rolling transmitters & receivers are not compatible with Code Hopping.

Sentry French Rolling Code Brochure


At GB Locking Systems, we provide a wide range of Access Control and Door Automation products as well as high security locks. Buy this transmitter online now, or take a look through our online store. Alternatively, please get in touch with us if you require any assistance. Our knowledgeable staff will be happy to help.

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