The ELK-M1XRF2G from Elk Products Inc. is a wireless (RF) receiver and input expander for use with ELK-M1 and ELK-M1EZ8 controls. The receiver connects to the 4-wire data (keypad) bus of the control and integrates in much the same way as a M1XIN hardware zone expander except that a single M1XRF can handle up to 144 wireless zones. The receiver uses crystal frequency technology and has a dual antenna, phase diversity design, which is capable of long-range wireless coverage. The M1XRF2G is compatible with the 319.5MHz crystal based transmitters available from GE. Elk Products Inc.

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