L3Harris Technologies, Inc. · Electronic Components
DM SE78-2-2
Antenna — Antennas and Waveguides
Part NumberDM SE78-2-2
ManufacturerL3Harris Technologies, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-537-5394 (NSN)
Federal Item NameANTENNA
Federal Supply Class5985 — Antennas and Waveguides
Power Gain In Decibels5.00 SINGLE ANTENNA ELEMENT
Mounting MethodBRACKET(S)
Coaxial Connector Series DesignatiBNC SINGLE ANTENNA ELEMENT
Overall Length4.400 INCHES NOMINAL
Radiation PatternOMNIDIRECTIONAL SINGLE ANTENNA ELEMENT
Terminal TypeRECEPTACLE, COAXIAL SINGLE ANTENNA ELEMENT
Beam Scanning MethodOSCILLATING SINGLE ANTENNA ELEMENT
Electromagnetic Polarization TypeRIGHT CIRCULAR SINGLE ANTENNA ELEMENT
Connector End DesignSOCKET SINGLE ANTENNA ELEMENT
Characteristic Impedance In Ohms50.0 SINGLE ANTENNA ELEMENT
Frequency Rating244.000 MEGAHERTZ MINIMUM AND 318.000 MEGAHERTZ MAXIMUM SINGLE ANTENNA ELEMENT
Vendor Part NumbersSE78-2-2
ESD/EMICode A — ESD/EMI sensitive item
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is DM SE78-2-2 available?
We can source DM SE78-2-2 even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is DM SE78-2-2 by L3Harris Technologies, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If DM SE78-2-2 has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like DM SE78-2-2?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for DM SE78-2-2?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.