Department Of State Health Services · Electronic Components
TDD1004A
Antenna — Antennas and Waveguides
Part NumberTDD1004A
ManufacturerDepartment Of State Health Services
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-446-4894 (NSN)
Federal Item NameANTENNA
Federal Supply Class5985 — Antennas and Waveguides
Design TypeCOLLINEAR SINGLE ANTENNA ELEMENT
Connector End DesignPIN SINGLE ANTENNA ELEMENT
Environmental ProtectionWINDPROOF
Overall Diameter2.750 INCHES NOMINAL
Beam Scanning MethodFIXED SINGLE ANTENNA ELEMENT
Coaxial Connector Series DesignatiSMA SINGLE ANTENNA ELEMENT
Frequency Rating150.000 MEGAHERTZ MINIMUM AND 159.000 MEGAHERTZ MAXIMUM SINGLE ANTENNA ELEMENT
Radiation PatternOMNIDIRECTIONAL SINGLE ANTENNA ELEMENT
Electromagnetic Polarization TypeVERTICAL SINGLE ANTENNA ELEMENT
Characteristic Impedance In Ohms50.0 SINGLE ANTENNA ELEMENT
Mounting MethodCLAMP
Vendor Part NumbersTDD1004-6DB, RDD4389A
Cancelled NSN5985-00-446-4873 (cancelled)
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 TDD1004A available?
We can source TDD1004A 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 TDD1004A by Department Of State Health Services obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If TDD1004A 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 TDD1004A?
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 TDD1004A?
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.