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Narda Holdings, Inc.  · Electronic Components

AT-4457

Amplifier, Radio Frequency

Part NumberAT-4457
ManufacturerNarda Holdings, Inc.
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameAMPLIFIER,RADIO FREQUENCY
Federal Supply Class5996 — Amplifiers
Overall Length3.420 INCHES NOMINAL
Overall Height0.780 INCHES NOMINAL
Operating Temp Range+0.0 TO 50.0 CELSIUS
Basic Shape StyleIRREGULAR
Overall Width1.960 INCHES NOMINAL
Impedance Rating Per Channel50.000 OHMS OPERATING CHANNEL
Connection TypeCOAXIAL RECEPTACLE RIGHT SIDE
Overall Gain40.0 DECIBELS AND 48.0 DECIBELS
External Dc Operating Voltage In V15.0 NOMINAL SINGLE VOLTAGE
Frequency Per Channel2000.0 MEGAHERTZ MINIMUM OPERATING CHANNEL AND 4000.0 MEGAHERTZ MAXIMUM OPERATING CHANNEL
Vendor Part Numbers313101-000
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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

Frequently asked

Is AT-4457 available?
We can source AT-4457 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 AT-4457 by Narda Holdings, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If AT-4457 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 AT-4457?
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 AT-4457?
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.