M1XRF2G Installation Manual
Page 3
OVERVIEW
The
"2G"
model of the ELK-M1XRF Wireless RF Receiver (full part # ELKM1XRF2G) allows the ELK-M1 and ELK-M1EZ8 Controls
to accept specific models of GE wireless transmitters. The receiver connects to the four (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 Receiver can handle up to 144
wireless zones (e.g. transmitter sensors or points). The benefits of operating from the data bus are: 1) A receiver can be installed
virtually anywhere in the building for convenience and optimum coverage. 2) Multiple receivers (up to 11 total) can be connected
to a single control for ultimate range and/or coverage redundancy. The major benefit of having multiple Receivers is that hundreds
if not thousands of square feet can now be covered by strategically placing each receiver in a different geographic location.
The M1XRF receiver is designed such that all transmitter programming and enrollment data is stored in the control panel, and not
in the receiver itself. This way, should a receiver ever need to be replaced, it is only necessary to enroll the replacement receiver
onto the data bus and then enter and exit the wireless setup programming. In addition, portable devices like Keyfobs can work
with multiple receivers on the same system. Regardless of which receiver picks up the Keyfob transmission, the data will be sent
back to the panel for processing.
The ELK-M1Gold or M1EZ8 MUST be operating firmware 5.0.12 or higher.
ElkRP Programming Software version 1.6.16 or higher is required for programming.
NOTE: The "2G" suffix on the M1XRF part number refers to "2 antenna" & "GE" compatibility. The
M1XRF2G is ONLY compatible with specific models of GE 319.5MHz transmitters, and ONLY those
sensors which utilize Crystal technology.
This receiver incorporates Crystal frequency technology and is a dual (2) antenna, phase diversity design capable of long range
wireless coverage. It comes packaged with two (2) optional ground plane antennas for extremely long range coverage
requirements.
NOTE: GE makes both
Crystal
and
SAW
technology transmitters in the 319.5MHz range.
Crystal
technology has very narrow frequency tolerances and utilizes highly accurate filtering technology to
reduce noise susceptibility and provide the best possible range.
SAW
technology has a broader
frequency tolerance making them less costly and less accurate, generally resulting in shorter range.
The use of
SAW
transmitters with any
Crystal
based receiver is not a good practice due to the fact that
the broader frequency
SAW
transmission may be filtered out (ignored) by the narrower Crystal receiver.
While it may be possible to get a SAW transmitter to enroll into the M1XRF receiver IT IS NOT
RECOMMENDED due to the possibility of a transmission being filtered out (ignored).
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