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900MHz HL-Series RF Transmitter – 1-Button

Model Number: HL-951T1-SQ

The ENFORCER 900MHz HL-series RF transmitters and receivers use digital modulation for improved immunity to interference, better signal penetration in environments with heavy obstructions, and significantly longer range of up to 1,800ft (550m)* line of sight. The transmitter's ultra-low power consumption gives you longer battery life with easy to obtain coin-type batteries (CR-2032).

  • 917MHz Frequency
  • Digital Modulation – Improved immunity to background interference
  • Armor-Piercing Technology – Improved penetration of physical obstructions
  • Over 2.028x1031 (20.28 nonillion) possible codes to thwart code crackers and potential for duplicate codes
  • Pocket-Sized – Waterproof IP68, up to 10-years battery life
  • Available with one or two buttons – for one or two channels

OEM/ODM enquiries welcome

SECO-LARM has a full range of ENFORCER RF transmitters and receivers for applications from access control to perimeter security to home automation and more. We can manufacture products under your brand and with your logo. All products are FCC or CE certified to bring your products to market faster.


*Actual operating range will vary depending on the installation and operating environment 

868MHz CE versions also available       

Calculated based on ten 1-second button presses per day


RF Frequency 917MHz
No. of Buttons 1
Channels 1
IP Rating Waterproof IP68
No. of Codes Over 20,280,000,000,000,000,000,000,000,000,000 possible codes
Dimensions 1-5/16"x3-1/16"x1/2" (34x78x12.6mm)