Service hotline: +86-18352858160 Send us an email: sales@guangchirf.com
Working hours: Monday to Friday 09:00-18:00

SMA-KY-1

This coaxial RF connector features a miniature threaded coupling mechanism, offering wide bandwidth, superior performance, high reliability, and extended durability. With an operational frequency range from DC to 18GHz (optionally up to 26.5GHz), it is widely used in microwave equipment and digital communication systems for: - Connecting RF cables or microstrip lines - GPS clock interfaces in wireless devices - Test ports for base station RF modules

Product Specifications
Product SpecificationsConnector Impedance50 Ohm

Frequency RangeDC ~ 18 GHz

Working Voltage335V 

Dielectric Withstanding Voltage1000V

Insulation Resistance≥5000 MΩ

Center Contact Resistance≤3 mΩ

Outer Contact Resistance≤2 mΩ

VSWRWith flexible cable≤1.15+0.02F; With semi-rigid/
flexible cable≤1.10+0.02F


Insertion Loss≤0.15 dB/6GHz

Mating Cycles≥500

Operating Temperature-65℃~ 165℃(PE Cable -40℃~ 85℃)
Materials & PlatingComponentMaterialPlating/Coating

BodyBrassGold

Contact PinBeryllium CopperGold

WasherBrassGold

InsulatorPTFE -

GasketSilicon rubber-


Rail transit refers to a type of transportation or transportation system that requires operating vehicles to travel on specific tracks. The most typical rail transit is a railway system composed of traditional trains and standard railways. With the diversified development of train and railway technology, rail transit has taken on more and more types, not only used in long-distance land transportation, but also widely used in short-and medium-distance urban public transportation.


Common rail transit includes traditional railways (national railways, intercity railways and municipal railways), subways, light rails and trams. New rail transit includes maglev track systems, monorail systems (straddle track systems and suspended track systems) and automated passenger rapid transit systems, etc. In China's national standard "Common Terminology for Urban Public Transportation", urban rail transit is defined as "the general term for rapid and large-volume public transportation that usually relies on electrical energy and adopts wheel-rail operation."


According to differences in service scope, rail transit is generally divided into three categories: national railway system, intercity rail transit and urban rail transit. Rail transit generally has the advantages of large traffic volume, fast speed, dense frequency, safety and comfort, high punctuality rate, all-weather, low freight and energy saving and environmental protection, but at the same time it is often accompanied by high initial investment, technical requirements and maintenance costs, and often occupies a large space.