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Best Choice XCENTONGXU 
50 Ohm RF Attenuator 3dB, SMA Male to Female RF Fixed Attenuators, DC-3GHz Low VSWR SMA Connector for Ham Radio & Lab Te 50Ω SMA RF Attenuator 3db - Gold-plated copper construction with 2W power handling and 6GHz frequency range. Perfect forKadimendium 
Kadimendium rf Variable attenuator SMA dc-4.0ghz Fixed attenuator SMA Double Female Radio Frequency attenuator 50ω 12x7x attenuator, high stability: the radio frequency attenuator has excellent electrical performance making minimal change duXCENTONGXU 
2W BNC 6dB Attenuator,50 Ohm BNC Male to Female rf Attenuators,DC-3GHz Low VSWR Coax Connector for Ham Radio & Lab Testi 50Ω BNC RF Attenuator 6db - BNC male to female rf attenuator with 2W power handling and 3GHz frequency range. Perfect foBest Value XCENTONGXU 2W 30db BNC Attenuator,50 Ohm BNC Male to Female rf Attenuators,DC-3GHz Low VSWR Coax Connector for Ham Radio & Lab Test 50Ω BNC RF Attenuator 30db - BNC male to female rf attenuator with 2W power handling and 3GHz frequency range. Perfect fXCENTONGXU 2W BNC Attenuator 15db,50 Ohm BNC Male to Female rf Attenuators,DC-3GHz Low VSWR Coax Connector for Ham Radio & Lab Test 50Ω BNC RF Attenuator - BNC male to female rf attenuator with 2W power handling and 3GHz frequency range. Perfect for haZUUOZBYY 
ZUUOZBYY DC-4.0GHz Fixed Attenuator SMA Double Female Radio Frequency Attenuator 50Ω Widely used in electronic equipment to adjust the size of signals in the circuit.XCENTONGXU 
10W 20db SMA Attenuator, 50 Ohm RF Fixed Attenuators SMA Male to Female, Low VSWR 10 Watts Coaxial Attenuator for Ham Ra 50Ω 20db SMA RF Attenuator - SMA male to female rf attenuator with 10W power handling and 3GHz frequency range. PerfectLIYJTK DC 4.0GHz Fixed Attenuator SMA Double Female Radio Frequency Attenuator 50Ω [WIDELY USED FUNCTION] Widely used in electronic equipment to adjust signal size in circuits, making it versatile for vaNamolit Namolit Portable Digital DC6.0GHz Radio Frequency Attenuator 0~31.5dB Adjustable Radio Frequency Attenuator Electrical A Wide frequency band: cover a frequency range of DC6GHz, making it suitable for a wide range of applications.Generic Portable Digital 6.0GHz Radio Frequency Attenuator 0~31.5dB Adjustable Radio Frequency Attenuator Electrical c ories Att Wide frequency band: cover a frequency of 6GHz, making it suitable r a wide of applications.XCENTONGXU High Power 10W N Type 10dB RF Attenuator, 50 Ohm Coaxial Attenuators N Male to Female Fixed Connector for Ham Radio & An 50Ω N type RF fixed Attenuator 10db - N male to female rf attenuator with 10W power handling and 3GHz frequency range. PXCENTONGXU 10W 40dB SMA Attenuator, 50 Ohm RF Fixed Attenuator SMA Male to Female,10 Watts Low VSWR Coaxial Attenuators for Ham Rad 50Ω SMA RF Attenuator 40db - SMA male to female rf attenuator with 10W power handling and 3GHz frequency range. PerfectKIMISS KIMISS Dc 4.0Ghz Fixed Attenuator, DC4.0GHz SMA Double Female Set Radio Frequency Attenuators 50Ω Excellent electrical performance, minimal change due to temperature.RASTKY RASTKY DC-4.0GHz Radio Frequency Attenuator for Electronics, Improve Impedance Matching, 50Ω [Adjust signals precisely]: This DC -4.0GHz fixed attenuator allows you to easily adjust the size of signals in electronGeneric Generic 1-3800MHz RF Attenuator High Performance Digital Module 0-31dB Adjustable for Radio Frequency Testing Profession [HIGH PRECISION ATTENUATION] Achieve attenuation levels from 0 to 31dB with 1dB step size for accurate signal controlXCENTONGXU 2W SMA Attenuator 15dB,50 Ohm SMA Male to Female Coax Attenuators,DC-3GHz Low VSWR rf Connector for Ham Radio & Lab Test 15dB 50Ω SMA RF Attenuator - Gold-plated copper construction with 2W power handling and 6GHz frequency range. Perfect foYDuupxe Radio Frequency Attenuator DC 4.0GHz Level Improve Impedance Matching with Carbon Film for Excellent Electrical Performa [Improves Impedance Matching] Ensures stability in load impedance for consistent performanceDomary RF Attenuator SMA Double Female Head Radio Frequency Attenuator 50Ω for Electronic Equipment [Improve Impedance Matching] Maintain stable load impedance with this attenuator, enhancing the performance and longevitEacam DC-4.0GHz Fixed Attenuator, SMA Double Female Head Radio Frequency Attenuator, 50Ω with Carbon Film for Electronic Equip [Excellent Electrical Performance] Minimal temperature-induced changes for consistent attenuation.Generic Generic DC-4.0GHz Fixed Attenuator, SMA Double Female Head, 50Ω Radio Frequency Attenuator for Electronic Equipment, wit [Premium Rf Attenuation] Directly read attenuation value for accurate testing.BECEN BECEN 10Watt SMA 50dB Attenuator,DC to 6GHz,50 Ohm Rated Power:10WattBECEN BECEN SMA Coaxial Attenuator DC-6GHz, 10W 50Ω High Frequency Attenuator with VSWR 1.25 for RF Technology, Measurement an 1. Broadband Frequency Compatibility DC to 6GHz Frequency Range - Ideal for high frequency applications, communication sKMLP KMLP SMA 6G 15DB Radio Frequency Gain Attenuator 1. Excellent durability and mechanical strengthSnblzhef Snblzhef Attenuator Parts RA-1728A High Frequency 0-82DB 50 OHM for Amateur Radio Transmitter Frequency range: DC to 250MHzzozii zozii Attenuator Parts RA-1728A High Frequency 0-82DB 50 OHM for Amateur Radio Transmitter Attenuation levels: 8 stages, 82 dB in totalRASTKY RASTKY RF Fixed Attenuator Durable DC-4.0GHz Double Female Head for Radio Frequency Level 3 Attenuation Applicable Scene [DURABLE CONSTRUCTION] Damage-resistant for reliable use over time.CHICHIYANG RF Radio Frequency Test PCB Board Filter Attenuator Filter/Attenuator Module for Nano VNA-F Anaylzer The board is totally integrated with 18 functional modules.Can be used to measure 30MHz short wave low-pass-filter LPF,1XRDS -RF XRDS -RF 2W BNC Male to BNC Female Coaxial RF Attenuator, 10dB Attenuator 50 Ohm 2W, BNC Male to Female Connector, RF Si Provides a precise 10dB attenuation, ideal for managing signal strength in complex RF applications.Domary RF Fixed Attenuator SMA Double Female Head DC-4.0GHz Module Board for Radio Frequency [Professional Design] Designed as a professional rf fixed attenuator with sma double female head, guaranteeing optimal pDpofirs RF Demo Kit Board - Filter Attenuator - RF Test Module Vector Network Analyzer Board Filter/Attenuator Module - with 2 P RF Demo Kit RF test board demo calibration board for learning Vector Network Analyzer , Antenna Analyzer test calibratioRakstore Rakstore DC 4.0GHz 200mW RF Fixed Attenuator SMA Double Female Head 0dB 10dB 20dB 30dB Radio Frequency Module Working frequency: DC 4.0GHzABLNLPYOC 1PC RF Coaxial Fixed Attenuator Frequency 5W 10W 15W 25W 30W 50W 100W DC-3GHz 4GHz Fixed Coaxial Attenuation(N M to N F Radio Frequency AttenuatorsWIHFHGZ Numerical Control RF Attenuator Module PE4302, 1MHz to 4GHz, Parallel Immediate Mode, 1pc - Wide Bandwidth, Program Cont [Wide Frequency Range]: Covers 1MHz to 4GHz bandwidth ensuring versatile application in RF signal testing and communicatDcnhfdsw Dcnhfdsw Attenuator Parts 1.2 Standing Wave Ratio 0.25W 8 Level for Amateur Radio Transmitter Frequency range: DC to 250MHzOdorkle Programmable RF Attenuator 0-31dB 1-3800MHz 50Ω RP SMA USB Powered for Radio Frequency Waveform Control and Testing High-Quality PCB Design: This digital RF attenuator module is built with premium PCB material, ensuring high reliabilityCresteach DC-4.0GHz RF Fixed Attenuator SMA Double Female Head Radio Frequency 200mW Power Signal DC-4.0GHz RF Fixed Attenuator SMA Double Female Head Radio Frequency 200mW Power SignalGeneric Generic RF Attenuator Module High-Performance 6 Bit Control for Signal Modulation and Strength Control, 1MHz‑4GHz 3.3V P [HIGH PRECISION CONTROL] Control signal strength with 6 bit 0.5dB steps, ranging from 0-31.5dB.QODOSEN QODOSEN DX-286 Portable Radio, with TEF6686 Automotive Chip,LW,AM, FM, Shortwave,Data System(RBDS/RDS),Antenna Attenuato 【Portable radio】5.27 "wide x 2.99" high x 1.18 "deep inches, small and light, light weight, can be carried for entertainEacam RF Fixed Attenuator, Material, Good Performance, SMA Double Female Head, DC - 4.0GHz, 50Ω System Impedance, for Radio Fr [High-quality Material] Made of premium material for reliable performance and durability, ensuring long-lasting use.Generic DC-4.0GHz RF Fixed Attenuator with SMA Double Female Head, Made of Material, Easy to Install, Long Service Time, for Pro [Professional Design] Featuring sma double female head for easy installation, suitable for rf applications.Fafeicy Sound Attenuator Passive Line Level Attenuator with 3.5mm Output Cable Adjustable Sound Volume Control High-Performance Connectivity: Featuring a 6.5mm mono large 2-core and 3.5mm stereo socket, this sound passive attenuatoABLNLPYOC 1 PCS 5W N-Type RF Coaxial Fixed Attenuator N-JK N Male to Female Frequency DC-3GHz/DC-4GHz(DC-3GHz,40dB) Radio Frequency AttenuatorsQANYEGN RF Attenuator Module, HMC472 Digital Module Step Board Interface, Low Insertion Loss Radio Frequency Program Controlled HIGH PERFORMANCE RF ATTENUATOR MODULE: Our RF attenuator module is designed for industrial applications, offering a wideAGHIKMOQS AGHIKMOQS Bidirectional Attenuator, Industrial Attenuator 5W N Type Attenuator 50ohm DC-3Ghz/4Ghz 1db-50db N Male to Fem These fixed attenuators are reliable and durableDcnhfdsw Dcnhfdsw 0-82DB Variable/Step ATTENUATOR for0.25W Practical Metal Tools Accessories Variable ATTENUATOR Made of high-quality materials, sturdy and practicalLIYJTK RF Test Module Vector Network Analyzer Board Filter Attenuator Module Demo Kit Learning Calibration Radio Frequency Test [DEMO CALIBRATION BOARD] Ideal for learning Vector Network Analyzer and Antenna Analyzer test calibration with 18 integrABLNLPYOC 5W N-Type coaxial Fixed attenuator, Revolution to Revolution, DC-3GHz 4GHz, 1-40dB(1db 4GHZ) Radio Frequency AttenuatorsBECEN BECEN 6DB 25 Watt SMA Bidirectional Fixed Attenuator - 25W SAT Attenuator SMA, 3GHz 50Ohm Attenuator for Ham Radio Testi Items per lot: 1 x 25W bi-directional fixed attenuatorHyuduo Hyuduo Digital Attenuator 2W 0‑31.5dB 0.5DB Step 33dBm Gain 10M‑6GHZ for Software Wide Application Aluminum Alloy [HIGH GAIN] - Enjoy a gain of up to 33DBm and cover a wide range of frequencies from 10M‑6GHZ for high accuracy transmisOmabeta Omabeta Digital Attenuator, high gain Digital attenuator with Type C Connector and SMA Female Interface Made of Aluminum Diverse Application Scenarios - This digital attenuator with TYPE C and SMA female connectors is suitable for various reHantek Attenuator 20:1 Passive Attenuation with 10MHz Bandwidth and 1.053M Input Res for Automobile Measurement (HT201) HT201: HT201 Attenuator designed for assisting automobile measurement. Passive attenuator with 20:1 attenuation, if inpuBECEN BECEN 10W SMA RF attenuator,DC to 3GHz,40db 10WXCENTONGXU 10W 15dB rf Attenuator SMA,6GHz 10 Watt Coax Attenuators with SMA Connector,Male to Female SMA Type 50 Ohm attenuator fo 1. Broadband Frequency Compatibility DC to 6GHz Frequency Range - Ideal for high frequency applications, communication sABLNLPYOC 1PCS 5W RF Attenuator DC-3GHz BNC-JK 1/3/6/10/15/20/25/30/40DB RF Coaxial Power BNC Male(40DB) Radio Frequency AttenuatorsDcnhfdsw Dcnhfdsw 6Ghz Digital Attenuator 30DB 0.25DB Step OLED Display Module for Ham Radio Amplifier Power Level It can also be used as an in-machine attenuator for instruments and equipment to adjust the power level in the test systBTER SDR QRP HF Transceiver, 20 Band 10kHz to 220MHz Ham Radio QRP Transceiver USB Variable Frequency Oscillator VFO RF Gener 【BAR GRAPH INDICATOR】Also has a bar graph indicator for signal strength(s meter) and 20 band presets, and can also be usPlyisty Plyisty Variable Audio Attenuator, Passive Stereo Inline Attenuation Box with 6 Switchable Modes, Compatible with 3.5mm CLEAR SIGNAL BALANCING: The variable attenuator effectively balances sound signals from different devices to ensure optiDcnhfdsw Dcnhfdsw 6Ghz Digital Attenuator 30DB 0.25DB Step OLED Display Module for Ham Radio Amplifier Power Level Easy Install It has a small size. , high , stability and reliability.NooElec Lana HF - Ultra Low-Noise LF, MF & HF Amplifier (LNA) Module for RF & Software Defined Radio (SDR). Wideband 50kHz-150MH A wideband, high-performance, high-linearity LNA module designed specifically for HF applicationsXCENTONGXU High Power 50 Watt rf Fixed Attenuator - 50 Ohm 50W Coax Attenuators with N Type Connector 3Ghz for Ham Radio Testing High Power 50Ω N type RF Attenuator - N male to female rf attenuator with 50W power handling and 3GHz frequency range. PABLNLPYOC 10W SMA Attenuator 6GHz 8GHz 1db,2db,3db.5db.6db.10db.15db.20db.30db,40dB(10dB,DC-8GHz) Radio Frequency AttenuatorsHyuduo Hyuduo RF Fixed Attenuator, SMA Female 50 Ohm, Attenuation Levels 10dB to 30dB, Ideal for Lab Testing and Communication [High Performance]Wide frequency range from DC to 4.0GHz for versatile applications in labs and communication systems.Pomya SWR Bridge High Frequency,1-500Mhz Standing Ratio Bridge for Antenna Measurement and Debugging,Testing of RF Matching Ci STRONG DIRECTIONALITY: SWR high power bridge has strong directionality, which is typical for directional 30dB and 500MHzNooElec Nooelec NanoVNA v2 (S-A-A-2) Bundle - 50kHz-3GHz Vector Network Analyzer w/ Shielding, Calibration Kit, 6pc Attenuators A small, portable, battery powered vector network analyzer with a wide frequency range from 50kHz to 3GHzPeakloong Peakloong Attenuator Parts 1.2 Standing Wave Ratio 0.25W 8 Level for Amateur Radio Transmitter Input/output impedance: 50ΩMarhynchus Marhynchus Passive Line Level Attenuator, Volume Control Attenuator for Studio, TV Station, with Aluminum Alloy Material [Wide Application] Suitable for sound conference rooms, studios, recording studios, and tv stations, this volume controlAribrnten Aribrnten FG-200 DDS Function Signal Generator Frequency Counter 0.01Hz - 500KHz Signal Source Sine+Square+ Waveform Compact size complete functions, simple operation, easy to carry. It can be powered by a power adapter or a 3.7V lithiumXRDS -RF XRDS -RF 2W BNC Male to BNC Female Coaxial RF Attenuator, 40dB Attenuator 50 Ohm 2W, BNC Male to Female Connector, RF Si Provides a precise 40dB attenuation, ideal for managing signal strength in complex RF applications.Sxhlseller Handheld Spectrum Analyzer, 100kHz to 5.3GHz Frequency Analyzer Signal Generator, 4 Inch Touch Screen, Equipped with LNA Rechargeable Battery: The spectrum analyzer features a powerful built in 3000mAh rechargeable battery, providing up to 8Spacnana Spacnana PE4302 Attenuator, Numerical Control Technology, Wide Bandwidth 1MHz to 4GHz, 0-31.5dB Gain for RF Applications [High Performance]PE4302 numerical control attenuator supports gain attenuation from 0 to 31.5dB, ideal for RF applicatiHarrison Labs Harrison Labs 12 dB RCA Line Level Attenuator Pair Xuegier Xuegier Ultra 4Inch Spectrum Analyzer Plastic Handheld TINY SA Frequency Analyzer 100KHz-5.3GHz Frequency Range - Compared to the (100kHz to 960MHz), the upgraded ULTRA has 100kHz to 5.3GHz ultra-wide measuring frequCryfokt Cryfokt Fixed Attenuator, Adjust The Size of Signals in The Circuit DC-4.0GHz, SMA Double Female Head for Pressure Contr Improve impedance matching. If some circuits require a relatively stable load impedance, an attenuator can be inserted bLmrysalque Lmrysalque DC-5G RF Microwave Resistance Power Splitter Radio Frequency Power Divider 1 to 2 Way Made of material, damage resistant, long service time.Fafeicy Fafeicy Professional RF Attenuator, SMA Double Female, DC-4.0GHz, 50Ω Passive Component for Testing and Amplifiers Impedance Matching: Enhance stability in circuits with consistent load impedance.MUNEFE Rf Attenuator Module, Fixed Attenuator, Linear Amplifier for Ensuring Accurate Signaling Control and Modulation SERIAL PORT MODE: This versatile module supports both parallel and serial port modes, providing flexibility in connectivzozii zozii 118MHz -138MHz Aviation Band AIR Frequency Converter to Shortwave HF Band + High Resistance Amplifier for SDR Radi So that ordinary radios can easily achieve aviation band reception.PROSIGNAL Pro Signal PSG02973 XLR Attenuator Adaptor, 20dB,Silver XLR plug to XLR socketBewinner Bewinner EM-25 Shortwave Choke Magnetic Ring, 1.8-30MHz HF Radio Common Mode Current, PL259 to SO239 Ferrite Balun, Amat INDUSTRIAL GRADE ANTI INTERFERENCE: This device is designed for 1.8-30MHz high frequency radio stations, eliminating noiNooElec NanoVNA Bundle - Open Hardware Vector Network Analyzer Kit from Authorized Distributor. Includes 50kHz-900MHz+ Portable NanoVNA bundle is an open-hardware vector network analyzer which will allow you to test most of your RF equipment with eXiuganpo Xiuganpo 50 Ω SMA Double Female Head DC-4.0 GHz, Solid Damper for Pressure Control Electronic Devices Improve impedance matching. If some circuits require a relatively stable load impedance, an attenuator can be inserted bBECEN 25 Watt 6dB Fixed attenuator 3GHZ N-Type 25W RF coaxial for lab and Radio BECEN item per lot: 1pcsLIYJTK RF Demo Kit High-Quality Functional Vector Network Analyzer Board Filter Attenuator Module Portable Learning Tool for En [ALL-IN-ONE DEMO KIT] Experience the power of RF testing with this fully integrated board featuring 18 functional moduleNooElec Nooelec Lana WB - Ultra-Low Noise Amplifier (LNA) Module for RF & Software Defined Radio (SDR) with Enclosure & Accessor A high-quality amplifier (LNA) module that operates on a very wide range of frequencies: from 300MHz to 8GHz. Provides aPomya 3.5mm Volume Control Box, Passive o Attenuator with Stepless Knob and Balance Adjustment for Headphones, Speakers, Mixer Lossless Sound Quality: Featuring a sophisticated ground isolation circuit design, this 3.5mm volume control box ensuresJiawu Jiawu Anti-Interference Common Mode Choke Ring HF Balun for Shortwave Radio- Suitable for 1.8-30 MHz Frequency Range [PREMIUM MATERIALS] Carefully wound with imported magnetic rings for long-term use.NooElec Vega Barebones - Ultra Low-Noise Variable Gain Amplifier (VGA) Module for RF & Software Defined Radio (SDR). Highly Line A wideband (30MHz 4000MHz), high performance, general purpose LNA module with a built in variable attenuator to maximizeMicroMaker RF Module A Radio Frequency Transmitter Using SYN115 Radio Frequency Transmitter IC Manufacturer's number: U114MOOKEERF MOOKEERF BNC Cable 50ft,Low Loss KMR240 BNC Male to Male Coax Cable 50 Ohm for for Ham Radio, Network Analyzer, Modem, O ⭐Applications -- This bnc coax cable is widly used for bnc antennas,ham radio,two-way radio,network analyzer,modems,osciNooElec Nooelec Ham Filter Bank Barebones - Multiband Radio Module with 5 Separate Bandpass Filters and Passthrough. Operates at Five ham radio channel filters in one module! The filter bank module covers five ham radio bands, providing you with a wEMSea EMSea 2psc 5 Pin Amateur Radio Transceivers Replacement Encoder Q9000788 Compatible with YAESU FT-897 FT-9897D FT-8800 F Compatibility: Compatible with YAESU FT-897, FT-897D, FT-8800, FT-8900, and FT-9897D MEM/VFO encoders.15% Off Namolit Namolit Adjustable 0.001Hz-200KHz 7.83HZ Schumann Resonance UltraLow Frequency PulseWave Generator Audio Resonator Using fine quality materials, the frequency stability of the product is fine.Oshhni Oshhni PH2702 Volume Potentiometer Attenuator 2 Channel Simple Installation Plug-and-Pull Type for Turntable DIY Amplifi Compact Size: Total length: 5cm; shaft length: 2.5cm, shaft length including thread is 25mm for easy installationautools 100-220V Low Frequency Audio Signal Generator Signal Source Signal Frequency Radio 10Hz-1MHz TAG-101 Frequency range: 10Hz-1MHz, 5 filesMOUDOAUER Frequency Counter Meter, Handheld Radio Frequency Testing, Mini Radio Frequency Meter Frequency measurement, wireless reception, fast decoding, and automatic detection.Fafeicy Fafeicy RF Power Meter, Electrical Testing Frequency Attenuation Meter with Digital LCD Display for Radio Frequency Dete Measuring frequency range 1 ~ 600 MHzNooElec Nooelec NanoVNA-H 4 Premium Bundle - Vector Network Analyzer Kit from Authorized Distributor with 50kHz-1.5GHz+ Portable NanoVNA-H 4 is an open-hardware vector network analyzer with a frequency capability of 10kHz-1500MHz, which will allow yBECEN 2W N-J.K Connector Type Coaxial RF Attenuator DC to 6.0GHz,50 Ohm,1db/2db/3db/5db/6db/10db/15db/20db/30db/40db/50db/60db Connector type:N MF (male is input ,female is output)