Hi-Fi Receivers
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137M-4.4GHz RF Signal Source PLL Phase Locked Frequency Synthesizer ADF4350 Development Board

• This ADF4350 signal source development board has well designed circuit board layout.
• It can be controlled by the upper computer official software.

RF Mixer Module AD831 High Frequency Transducer 0.1‑500MHz Inverter Amplifier Board Converter for RF‑IF Down Conversion in HF and VHF Receivers

• EASY TO USE: The AD831 rf mixer module provides +24 dBm third‑order intercept point, which can achieve ‑10 dBm LO power consumption, no need for high‑power LO drivers, no corresponding shielding and isolation issues.
• GOOD PERFORMANCE: The mixer is designed for single power supply. The RF, IF and LO ports have DC isolation capacitors for easy use. The operating frequency of RF and LO inputs can be as high as 500MHz.

RF Microwave Double Balanced Mixer 1.5 to 4.5GHz RFout DC - 1.5GHz LO 312

• [Compact and Efficient] The double balanced design of this mixer allows for efficient mixing while maintaining a compact size. It requires higher drive levels, making it ideal for demanding RF applications.
• [Durable Connectors] Equipped with standard SMA female connectors, this mixer ensures reliable connections with most devices, making it suitable for a wide range of applications.

AD831 High Frequency Transducer RF Mixer Module 500MHz Bandwidth RF Frequency Converter

• 2. AD831 provides +24 dBm third-order , which can achieve -10 dBm LO consumption. It does not require high- LO drivers, and there is no corresponding shielding and isolation problems. Therefore, compared with passive mixers, it can System performance, reduce system cost. .
• 3. The mixer is designed to be powered by a single supply, and the RF, IF and LO ports have DC isolation capacitors for easy . The operating frequency of the RF and LO inputs can be as high as 500MHz. The IF output is a single-ended voltage output. It has an output bandwidth of 250 MHz.

Variable Frequency Drive VFD AC 220V 0.75kW Professional Speed Inverter Speed Controller (0.75KW 220V 5A L)

• UNIQUE CONTROL METHOD: This frequency converter uses a unique control method to achieve high torque, high accuracy and a wide range of speed control.
• ADVANTAGES: good anti-fall performance and ability to adapt to sudden power, temperature, humidity and dust disturbances.

AD831 High Frequency Radio Frequency Mixer, RF Module Radio Accessory Single Chip Single-Ended Power Supply High Frequency 0.1-500MHz

• With 250 MHz output bandwidth, a single resistor connected between pins OUT and feedback is used to set the gain. This amplifier has low DC offset characteristics, so it can be used for DC coupling applications such as DC-baseband frequency conversion an
• With 250 MHz output bandwidth, a single resistor connected between pins OUT and feedback is used to set the gain. This amplifier has low DC offset characteristics, so it can be used for DC coupling applications such as DC-baseband frequency conversion an

SPF5189 Radio Frequency Amplifier, RF Amplifier Module, Support Long Term Running, 5V Input Voltage

• Having excellent passing performance of both large and small currents, 50M‑400Mhz of the frequency range.
• Long term running can be achieved due to the large heat dissipation area,0.6dB of the noise factor.

Microwave Radio Frequency Double Balanced RF Mixer Frequency Mixer Dual Balanced RF Mixer Frequency Transducer RFin=1.5-4.5GHz RFout=DC-1.5GHz LO=312

• This is a double-balanced radio frequency mixer of RFin=1.5--4.5GHz, RFout=DC--1.5GHz, LO=312
• Double balanced mixers are more complex and require higher drive levels than unbalanced and single balanced designs

RF Microwave Double Balanced Mixer 1.5 to 4.5GHz RF to DC Converter LO 312

• [High Performance Rf Mixer] This double-balanced mixer operates in the frequency range of 1.5-4.5GHz, converting RFto DC output. With its LO frequency of 312, it ensures optimal performance.
• [ExcellentIsolation] The mixer features differential inputs, offering completeisolation and ensuring that only the desired productappears at the output. It eliminates interference for preciseprocessing.

Knadgbft AD831 High Frequency Transducer RF Mixer Module 500MHz Bandwidth RF Frequency Converter

• 1. AD831 is a low distortion, wide dynamic range, single-chip mixer, suitable for RF-IF down conversion in HF and VHF receivers, second mixer in base stations, DC-baseband conversion, and quadrature modulation And demodulation and frequency shift detection in ultrasound imaging and other applications
• 2. AD831 provides +24 dBm third-order point, which can achieve -10 dBm LO power consumption. It does not require high-power LO drivers, and there is no corresponding shielding and isolation problems. Therefore, compared with passive mixers, it can improve System performance, reduce system cost. .

Apple MFi Certified iPhone 15 Charger USB C iPhone 15 Charger Cable 2M 20W USB-C Plug Fast Charger and Cable for iPhone 15/15 Pro Max/15 Pro/15 Plus, iPad Charger USB-C Adapter for iPad Pro/Mini/Air

• 【Durability and Safety Assurance】2Pack 2Meter New USB C iPhone 15 Charger Fast Charging Nylon Braided iPhone 15 Charger Cable Lead and Plug USB-C to USB C Port for iPhone 15 Pro Max/15 Pro/15 Plus/ iPad Pro 12.9/11 inch/iPad Air/iPad Mini. 20Watt Apple Charger Adapter UK Power Adapter with PD Protocl, Portable & Lightweight Design replacement for new iphone 15 chargers & ipad usb c charger rapid charging. High-Speed Charge iphone 15 series from 0% to 60% in just 30 min.
• 【20Watt iPhone 15 USB C Charger Plug】deloni 20W Hight Speed Charger USB-C iPhone 15 Charger also replacement for iPad pro/mini/air Chargers, The 2Meter Long USB C to USB C Charger Cable for iPad Pro Mini Air (For iPad with USB Type C Connector Only) For Latest iPhone 15 Series Built-in multiple safety protections to prevent from over-voltage, over-current, short-circuiting,over-charging & over-heating etc.

SPARCORACI CALCETINES HYPERSPEED NEGROS T 42-43

• CALCETINES HYPERSPEED NEGROS T 42-43
• Model Number: S01290NR4243

MKYOKO RCAs Connector Jacks, RCAs To Speaker Wire Adapter, Gold Plated RCAA Plugs, L-shaped RCAs To AV Screw Terminal Connector, RCAs Female To RCAs Female for Amplifier Audio Video AV Receivers

• ゑPlug-and-play design: This RCAs connector is ideal for connecting speakers, sound systems and other equipment for assembling Lotus head RCAs . It has a simple plug-and-play design that ensures a secure and reliable connection.
• ゑSturdy quality: Enhance your audio devices with our RCAs connectors! Featuring an L-shaped design, they prevent cable damage from bending or pressure and provide a seamless, high-quality connection.

uxcell 2pcs Air Conditioner Pipe Joint Fitting Sleeve 12mm 23mm Hole Dia

• Product Name: Air Conditioner Hose Tool.
• Durability: Made of quality material in silver tone color, it is tear resistant and long service life.

uxcell 2pcs Air Conditioner Pipe Joint Fitting Sleeve 12mm 19mm Hole Dia

• Product Name: Air Conditioner Hose Tool.
• Durability: Made of quality material in silver tone color, it is tear resistant and long service life.

uxcell 2pcs Aluminum Air Conditioner Pipe Joint Sleeve 10mm 16mm Hole Dia

• Product Name: Air Conditioner Hose Tool.
• Durability: Made of quality material in silver tone color, it is tear resistant and long service life.

uxcell 2pcs Air Conditioner Pipe Joint Fitting Sleeve 14mm 22mm Hole Dia

• Product Name: Air Conditioner Hose Tool.
• Durability: Made of quality material in silver tone color, it is tear resistant and long service life.

uxcell 2pcs Air Conditioner Pipe Joint Fitting Sleeve 14mm 24mm Hole Dia

• Product Name: Air Conditioner Hose Tool.
• Durability: Made of quality material in silver tone color, it is tear resistant and long service life.

uxcell 2pcs Air Conditioner Pipe Joint Fitting Sleeve 9mm 20mm Hole Dia

• Product Name: Air Conditioner Hose Tool.
• Durability: Made of quality material in silver tone color, it is tear resistant and long service life.

SUPVOX Dispenza 5 Sets 8 spiral electrical connector Terminal Strip terminal Crimp Terminals Barrier Strip Terminal block Terminal Barrier Block crimping tool Dual Row Terminal Strip

• Wire connector-- our dual row screw terminal strips that also include a clear cover to accidental touching of the terminal.
• Terminal barrier block-- our dual row screw terminal strips that also include a clear cover to protect accidental touching of the terminal. it will be more safer when the terminals are protected by snap-in plastic "lids". be careful when mounting these covers.

SIMOLIO Long Cord Headphones for TV and PC with Volume Control and Mic, 14.9FT/4.5M Extended Range Cable, RCA & 3.5mm AUX Output Supported, Stereo Wired Headsets for Laptop/Tablet, SM-901TV

• NO TECHNICAL CHALLENGES, HEADPHONES WITH LONG CORD: lightweight personal wired TV headphones come with 4.9 ft audio cable and an extra 10ft extension cable which allows you to listen to the TV in the traditional way, no technical challenges, no need to worry about battery charging. This model has no sound boost. For people in need of professional sound amplification, please go check SIMOLIO SM-905TV.
• WIDE COMPATIBILITY TO MEET YOUR MATCH: wired earphones with 3.5mm plug and RCA convert cable to connect to any 3.5mm headphone port or RCA audio out port in your TV/PC/Laptop/Tablet/Phone. The long cord make it a helpful tool for PC based transcription in busy environments. TVs with ONLY optical or coaxial audio output need a digital to analog audio converter to work.

SIMOLIO Wired Headphones with Microphone for Chromebook Laptop Tablet Computer Smartphone, Foldable Headphones for School Teen Kids Girls Boys, Over-Ear Headphone Aux 3.5mm Share & Safe Volume (Blue)

• HEARING PROTECTION: These wired headphones adopt exclusive proprietary 3-level volume limiter(85dB/94dB/104dB) to protect vulnerable and sensitive ears. It can effectively protect different ages from progressive hearing loss in different environments. (In daily life: 85dB is for teenagers, 94dB is for adults.104dB is for noisy surroundings). Two superior speakers provide crystal clear sound.
• BUILT IN MIC: Over-ear headphones with built-in microphones for hands free talking, let you pick up calls and skip between tracks in playlist without missing a beat.

SIMOLIO Long Cord Headphones for TV and PC with Volume Control and Mic, 21.6FT/6.6M Extended Cable with Clip, RCA & 3.5mm AUX Audio, Fold-flat Stereo Over Ear Wired TV Headphones, SM-906TV

• NO TECHNICAL CHALLENGEs, HEADPHONE WITH LONG CORD FOR TV LISTENING: comes with 15 ft coiled cable and an extra 6.6ft extension cable (total max stretch 21.6ft/6.6M) which allows you to listen to the TV in the traditional way, no technical challenges, no need to worry about battery charging. This model has no sound boost. For people in need of professional sound amplification, please go check SIMOLIO SM-905TV.
• WIDE COMPATIBILITY TO MEET YOUR MATCH: with 3.5mm plug and RCA converter to connect to any 3.5mm headphone port or RCA audio out port in your TV/PC/Laptop/Tablet/Phone. If you want to connect these wired headphones to your TV optical or coaxial, a digital to analog audio converter will be needed.

SIMOLIO Wireless TV Headphones for Seniors and Hard of Hearing, 2.4GHz Over-Ear Digital Wireless Headsets for TV Listening (Optical/RCA/AUX), No Pairing, 100 feet Range, SM-825D Pro

• 🎧【PROFESSIONAL HEARING PROTECTION & ASSISTANCE】SM-825D Pro with voice clarify & noise reduction tech, reduce TV background sounds and make TV conversations stand out to help you understand the TV shows easily at a gentle volume without damaging your hearing. TONE control(Treble/Normal/Bass) helps you find the optimum parameters and hear the target audio source clearly. The balance control allows for right/left volume adjustment to hear equally well with both ears. MONO/STEREO optional.
• 📺【MAX COMFORT】These over ear wireless TV headphones come with ergonomic designed protein earmuffs and retractable soft-padded headband providing lasting comfort. Full-sealed noise isolating ear pads effectively reduce the outside noise and let you understand your TV dialogues with lower volume. Gentle Reminder: 1.This TV audio listening system is not available for pacemaker carrier. 2.We suggest you to take off the headphone every 1-2 hrs to get your ears relax.

SIMOLIO Girls Headphones for Kids with Mic & Share Port, Toddler Headphones Age 1 2 3 4, Baby Headphones for Airplane with Safe Volume 75/85/94dB for iPad/Tablet, Adjustable Headband, Tangle-Free Cord

• √ 3-LEVEL VOLUME LIMITER FOR HEARING PROTECTION WITH SAFE VOLUME: Children’s headphones adopt exclusive proprietary 3-level volume limiter(75dB/85dB/94dB) to protect vulnerable and sensitive ears while give parents a piece of mind, not having to constantly monitor the volume. It can effectively protect children of different ages from progressive hearing loss in different environments. (75/85dB in quiet places or 94dB in noisy surroundings). Two superior speakers provide crystal clear sound.
• √ BUILT IN MIC: Kids headphones with microphone allows hands free talking, let you pick up calls and skip between tracks in playlist without missing a beat.

SIMOLIO Kids Wireless Headphones with Volume Limiter, Kids Headphones Bluetooth for School, Kids Headsets Wireless Over-Ear, Child Earphones Bluetooth and Wired for Girls,Boys,Teens (Mint)

• 🎧【Bluetooth Headphones for Kids with 3 Switchable Volume Limited Levels for Hearing Protection】Far superior than the regular Bluetooth chip that supports SD card/FM radio, SIMOLIO adopts exclusive proprietary 3-level (75dB/85dB/94dB) volume limiter and advanced Bluetooth CSR chip to protect children's hearing, produce crystal clear sound and help develop children's musicianship.
• 📞【Kids-Safe Wireless Bluetooth Headsets with Flexible Headbands & Noise Isolation】Adjustable headband with memory stainless steel strips give the headphones some impressive durability and flexibility. What’s more, the extra detachable Nylon fastening straps can be added to the headbands to get the perfect fit for the toddlers. On-ear headphone isolates from outside noise to make you hear clear sound. And we use some nifty engineering to make sure the ear pads won't fall off.

SIMOLIO Wireless Headphones for TV Watching with Charging Dock, TV Headphones w/Dialogue Clarity & Balance & Tone Control, by-Pass, Spare Battery, 100ft Long Range No Audio Delay

• [Optimize TV Volume with Full Intelligibility]Unlike other headphones that only emphasize high volume, this wireless TV headphone features voice clarity tech that reduces distracting background noisesto make TV conversations stand out, allowing you to hear every second of your favorite shows, films and songs without turning up your TV volume.Auto signal control tech stabilizes sudden increases in TV volume to protect your hearing. Supports optical, RCA & 3.5 mm audio outputs on all TVs.
• [Plug & Play, Long Range, Zero Delay] No complex Bluetooth pairing or disconnecting, simply turn on both devices and they will auto connect. Operating on the 2.4GHz radio frequency, this RF tv wireless headphone has superior sound reproduction and a powerful signal that can pass through ceilings or walls. Working range up to 100ft/30m. One transmitter supports multiple headphones simultaneously. No lip-sync delay, it delivers high quality sound in perfect sync with on-screen video.

SIMOLIO Long Range Bluetooth Receiver, Bluetooth Adapter for HiFi for Music Streaming Sound System/Home Stereo/Wired Speakers, BT 5.0 Receivers w/Volume Control & an Antenna, RCA & AUX Audio

• 【LONG WIRELESS RANGE】With an external antenna and BT 5.0, the SIMOLIO JH-214A Bluetooth audio receiver can achieve a range of up to 50-70FT (15-20M) in obstacle-free indoor environment; range can be extended up to 164FT (50M) line-of-sight in the open air when used with Class I Bluetooth transmitter. Note: actual operation range varies across different Bluetooth devices, and can be negatively affected by Wi-Fi routers, walls, cordless phones and other wireless devices etc.
• 【Bring Your Old Stereo to Life】Thanks to Bluetooth 5.0 technology, this HiFi Bluetooth receiver allows you to wirelessly stream high fidelity audio from any Bluetooth-enabled device including smartphones, tablets, computers, laptops etc. to your favorite home stereo receiver/powered speakers/vintage radio/car stereo system via RCA or 3.5mm AUX cable.

SIMOLIO Rechargeable and Replaceable Battery for Under-Chin Wireless TV Headphones (PS: suitable for SM-823 Pro/SM-823D Pro/SM-824D1 /SM-824D2 models, NOT suitable for SM-825D Pro over ear model)

• Can be used with Simolio wireless TV headset SM-824D and SM-823 Series (Not for SM-825D Pro).
• Brand new wireless TV headsets Li-ion battery.

SIMOLIO Bluetooth 5.0 Transmitter for TV, aptX Low Latency & aptX HD Bluetooth Audio Adapter for BT Headphones/Speakers, Optical/RCA/AUX/USB, Connect to 2 Headsets Simultaneously, Class 1, 197ft Range

• Upgrade Your Old Non-Bluetooth Devices - Turn a non-Bluetooth TV, PC, CD player, iPod, MP3/MP4 or other favorite device into Bluetooth-enabled devices, wirelessly streaming to your Bluetooth headphones or speakers to maximize the use of your old stuff. (Transmitter only! No Receiver Mode)
• Long Range, Low Latency - Featuring class 1 Bluetooth and an optimized antenna, amplifies the TV signal at a wireless range of up to 197 ft/60m (IN OPEN AIR). Uses aptX low latency & aptX HD tech for perfectly synchronized high fidelity stereo sound. Note: To achieve low latency (

Labgear Universal Single 1 Output LNB for SKY HD/Freesat HD TV KU Band Satellite Receiver with MK4 Bracket

• ✔️ SINGLE LNB: The new range of LNB’s from British AV specialists Labgear are designed to be easily mounted on a satellite dish, making them ideal replacements in existing set-ups or being fitted in new installations. Single output with switchable polarity A high-performance 0.1dB LNB ideal for low signal areas Suitable for full HD and 3D display
• ✔️ EASY INSTALLATION: Our LNB’s are ideal whether you are replacing an old LNB on an existing installation - or setting up a new satellite dish. We include an easy to follow and clearly written user guide that walks you through all the necessary steps for both types of installation.

Quad LNB (For Zone 2 Satellite Dishes)

• Quad LNB (For Zone 2 Satellite Dishes)
• Quad LNB is interchangeable with single or octo LNBs

Hybrid 6 Output WIDEBAND LNB with CLAMP | LNB Aerial/Satellite Equipment, 1 X Qty - VHK6

• HYBRID 6 OUTPUT WIDEBAND LNB WITH CLAMP
• Product Range:visiblewave LNBs

VISIBLEWAVE Labgear VSAT01 HD Satellite Receiver

Quad LNB with Level Indicator | LNB Aerial/Satellite Equipment, 1 X Qty - VK4L

• QUAD LNB WITH LEVEL INDICATOR
• Product Range:visiblewave LNBs

VISIBLEWAVE Digital MRK 4 Octo LNB, Freesat, FTA, HD,3D, Same Day Dispatch

• Compatible With Freesat Type Satellite Dishes
• Outputs: 8

Quattro LNB Low Power Consumption | LNB Aerial/Satellite Equipment, 1 X Qty - VQ4LP

• QUATTRO LNB LOW POWER CONSUMPTION
• Product Range:visiblewave LNBs

QUAD LNB WITH LEVEL INDICATOR // QUAD LNB WITH LEVEL INDICATOR; SVHC:No SVHC (07-Jul-2017) (VK4L)

OCTO Satellite LNB with CLAMP | LNB Aerial/Satellite Equipment, 1 X Qty - VK8L

• OCTO SATELLITE LNB WITH CLAMP
• Product Range:visiblewave LNBs

Satellite Receiver HD | Satellite RECEIVERS Aerial/Equipment, 1 X Qty - VSAT01

• SATELLITE RECEIVER HD
• Plug Type:UK