900MHz HL-Series RF Receiver – 1-Channel

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
  • Wide voltage range, 10~24 VAC or 9~48 VDC, for more applications
  • Over 2.028×1031 (20.28 nonillion) possible codes to thwart code crackers and potential for duplicate codes
  • PCB antenna – no external antenna to be installed, adjusted, vandalized, or damaged
  • Five individually programmable output modes
  • Up to 99 button codes per channel
  • Available with 1 or 2 channels to control 1 or 2 devices
  • Programming by switch, no need to cut jumpers
  • LED Indicates RF reception and programming functions
  • RF Signal strength / site survey test mode to find optimal installation location
  • Compatible with all HL-series transmitters of same frequency

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

868MHz CE versions also available


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.

Operating frequency917MHz
Memory capacity99 transmitter button codes per channel
Operating voltage10~24 VAC, 9~48 VDC
Operating current – Standby8mA@12VDC / 5mA@24VDC / 2mA@48VDC (typical)
Operating current – Active100mA@12VDC / 50mA@24VDC / 25mA@48VDC per channel
Relay output – TypeIndependent, sequence, access control
Relay output – Modes1~99 sec momentary (default, 1s), 1~99 min momentary, toggle, latch, follow (validity)
Relay contacts – Number1
Relay contacts – RatingForm C 10A@14VDC
Digital display2-Digit, 7-segment LED
ConnectorsScrew terminals, +, -, with NO/NC/COM per relay
Operating temperature-40°~167° F (-40°~75° C)
Dimensions3-15/16″x2-1/2″x1-3/16″ (100x63x30 mm)


PI Sheet HL-951R1-SQ


Manual HL-951R1-SQ


Brochure for Long Range RF


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