ReviewsRf Radio Frequency System

1-600MHz RF Signal Power Meter Logarithmic Detector -74dBm to 18dBm Radio Frequency Detection

The detector is is used for RF signal power detection of frequency range between 1MHZ and 600MHZ.
It can detect a rf signal of power from -74dBm to 18dBm, and convert the RF signal into a DC voltage output.
The higher radio frequency signal range or power is, the higher output voltage will be.
output voltage is proportional to logarithm of input signal range.
Widely used for RF signal detection, signal power measurement, environment field strength detection, can also be used as a part of automatic gain control and automatic level control.
It can be made into 1mw ~ 1kw RF power meter after appropriate transformation.

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YONGNUO YN685EX-RF GN60 TTL Flash Speedlite for Sony Camera, HSS 1/8000S Master Slave Flash Unit, with bulit-in 2.4G Trigger System

...igh Guide Number, Supports TTL HSS】[email protected], 200mm. Supports TTL, M, Multi flash, with high-speed synchronization function, all shutters are available for shooting, the maximum shutter synchronization speed is up to 1/8000s..
【Integrated transceiver and receiver, compatible with YONGNUO RF radio trigger system (RF602, RF603)】During radio transmission flashing shooting, it can be used as a master unit or slave unit. It is fully compatible with RF radio triggering signals from YN650EX-RF, YN685EX-RF, YN320EX, YN685(II), YN720, YN560 IV, YN660 and YN560 III, YN560-TX (pro), RF603, RF602 and YN32-TX. It also contains 16 transmission channels and 10000 wireless radio ID, making it easy for multi-flash lighting..
【Supports Multi-group Flashes Independent Control】When YN685EX RF used as a radio master unit, it is able to control 5 independent groups, realizing remote control of flash mode, flash output and focal length for YN650EX-RF, YN685EX-RF, YN320EX, YN685(II), YN720, YN560 IV, YN660 and YN560 III..
【Supports Optical Transmission Wireless Slave Flash】In optical transmission wireless flashing shooting, YN685EX-RF can be set as slave unit to receive optical transmission wireless triggering signals from YN320EX and from Sony flashes su....

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MLAY RF Radio Frequency Skin Tightening for Face and Body - Home Skin Care Anti Aging Device

SAFE EASY & EFFECTIVE: MLAY RF machine uses the latest and safest bipolar RF technology, no side effects. It also built in the intelligent temperature control chip which will make sure our surface skin and dermis skin temperature is safe. It with output frequency 1.0MHZ, power 25W for face and 50W for body, just need to use once or twice a week, MLAY RF will reduce fine lines or wrinkles, tighten skin for a youthful glow.
PAINLESS PROCEDURE: You can now forget about the expensive and painful ways, MLAY RF skin tightening anti aging device with the advanced bipolar RF waves deeply penetrate skin tissue, heating it up and stimulating collagen and elastin production to plump and firm aging skin, regularly using will get the firm, glowing, and gorgeous skin.
SKIN TIGHTENING & ANTI AGING & WRINKLE REDUCING: MLAY rf radio frequency skin tightening machine is not only a face machine but also a body machine. MLAY radio frequency skin tightening triggers your skin’s own healing process. It stimulates the skin to produce elastin fibers and collagen that you have lost over the years, so you can enjoy the long last results.
VISIBLE RESULTS IN AVERAGE 45 DAYS! Results from 50,000 customers aged between 25 and 70 from cooperative beauty salon show that 73.3% of the....

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Cable Matters 2-Pack SMA Male to F-Type Female Coax Cable Adapter Gender Changer Coaxial Cable Adapter for USB SDR Dongle Two-Way Radio Ham Radio Antenna and More

Convert between standards and connector gender with the 2-pack of F-Type Female to SMA Male RF adapters.
Coax adapter F-Type to SMA converts a connector, antenna, or cable connector between coax cable connector types.
F-Type and SMA connectors are commonly found on two-way radios, software defined radio dongles, antennas, and other RF connectivity products.
SDR antenna adapter enables a USB radio dongle to connect to antennas using standard F-type coax connectors.
Compatible with RTL-SDR dongle and adapters.
Radio antenna adapter enables flexibility and increases your antenna choices.
Ham radio antenna adapter connects radio equipment to standard coax antenna adapter.
High quality coaxial adapter features a 50 Ohm impedance rating for optimal performance and supports a frequency range of 0-6GHz, ideal for use as a radio antenna adapter, radio astronomy adapter, and other uses requiring high-frequency signals.

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AEGISLINK Wireless Interconnected Smoke Detector Fire Alarm, Smoke Alarm Fire Detector with Transmission Range of Over 820 ft, Replaceable Battery, S-RF220, 6-Pack

RF Interlinked: These alarms use wireless radio frequency technology to both transmit and receive messages regarding hazards in the home so that when one alarm sounds, they all do, informing everyone of the emergency.
10-Year Lifespan: The durable and long-lasting design ensures 10 years of stable, reliable performance for complete peace of mind, keeping your home and family safe for a decade.
Wide Communication Range: Over 820 ft (250 m) transmission range outdoors enables you to extend the coverage and protection of interconnected alarms, so your entire home is well-protected with no blind spots.
One-Button Control: Simply press the test/silence button on one of the alarms to test or silence the entire interlinked system.
Complete Home Coverage: Up to 24 AEGISLINK RF wireless alarms (S-RF200/S-RF220/SC-RF200/SC-RF220) can be interlinked to fully protect your home, even across multiple stories.

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AEGISLINK Interlinked Smoke Carbon Monoxide Detector Combo, Smoke and CO Detector Battery Powered, Wireless Interconnected Smoke and CO Alarm, Digital Display, SC-RF200, 6-Pack

RF Interlinked: These alarms use wireless radio frequency technology to both transmit and receive messages regarding hazards in the home so that when one alarm sounds, they all do, informing everyone of the emergency.
2-in-1 Protection: This combination alarm is equipped with dual sensors to detect both smoke and CO dangers in a single unit, providing instant warning through its loud 85 dB sound.
10-Year Sensor Life: The durable and long-lasting design ensures 10 years of stable, reliable performance for complete peace of mind, keeping your home and family safe for a decade.
Complete Home Coverage: Up to 24 AEGISLINK RF wireless alarms (S-RF200/S-RF220/SC-RF200/SC-RF220) can be interlinked to fully protect your home, even across multiple stories.
One-Button Control: Simply press the test/silence button on one of the alarms to test or silence the entire interlinked system.

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6.5 Inch Dual Marine Powered Speakers - Waterproof and Bluetooth Compatible Amplified Speaker with Wireless Streaming and 600 Watt Power - 1 Pair - PLMRF65MW (White)

IP-X4 MARINE GRADE: This pair of marine speakers are completely waterproof for water base automobile and off-road vehicle use. They have a waterproof rating of IP-X4 to withstand heavy water splashes and other outdoor conditions.
RF WIRELESS STREAMING: Built with RF or radio frequency wireless streaming ability for hassle-free wireless streaming connection. The RF audio module supports additional speaker connectivity at a range of 100ft+.
4.2 BLUETOOTH COMPATIBILITY: Works with smartphone, tablet, laptop and computer with its 4.2 bluetooth compatibility. This 2-way speaker can stream music wirelessly from the aforementioned devices at a range of 30ft+.
6.5 COAXIAL SPEAKERS: This comes in 1 pair of white 6.5 inch coaxial speakers, 1 is passive and the other is active. Each has a total diameter of 6.9”, cut-out diameter of 6.75”, total depth of 3.97’’ and mounting depth of 3.1’’.
600 WATTS POWER: The dual audio speakers have a full range stereo sound reproduction for a complete speaker system. The power output is 300 Watt RMS up to 600 Watt peak. It has a frequency response of 85Hz-20kHz and a magnet structure of 20 oz.

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Cavitation Machine, 6 in 1 Body Sculpting Machine, RF Radio Frequency Facial and Body Skin Tightening Machine, cavitation Machine for Body Fat Removal, Salon Effects.

Home, SPA Beauty Solutions: radio frequency skin tightening machine uses the latest and safest bipolar RF technology(professional radio frequency), no side effects. It is safe to use for all skin types and skin tones. It provides salon power and effect, 90% of customer saw visible facial skin improvement in only 1-4 weeks..
User-Friendly Design: Rf skin tightening machine lifting tightening wrinkle removal with output frequency 1.0MHZ, the RF waves deeply penetrate skin tissue, heat it up and stimulate collagen and elastin production, reduce sagging, fine lines and wrinkles caused by aging or after pregnancy and weight loss. The ergonomically designed handle can bring a more comfortable massage experience for users and clients. Works better with gel or massage cream..
Applied Range: Radio frequency facial and body skin tightening machine is not only a face machine but also a body machine, it is more simple and easy to use with 5 probes: for eyes, forehead, cheek, nasolabial fold, face, jawline, neck, arm, belly, waist, leg, thighs, butt, stomach... Helps to improve skin texture and elasticity, diminish the appearance of fine lines, dullness, wrinkles, crow's feet, stretch marks, tightens saggy skin, and more!.
VISIBLE RESULTS IN AVERAGE 40 - 90 DAYS! Re....

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Tripollar Stop Vx - Radio Frequency Skin Tightening Machine Face and Neck - Professional Home RF Anti-Aging Device Face Lift Toning Wrinkle Removal Radiofrecuencia Facial - FDA Cleared

LIFT, TIGHTEN & TONE FROM HOME - TriPollar STOP Vx high frequency facial machine delivers RF energy into the dermis skin layer to naturally build collagen and repair elastin to improve skin tone and firmness safely and effectively.
THE LATEST IN RADIOFREQUENCY & SKIN TIGHTENING - The STOP Vx RF skin tightening machine is based on the well-established TriPollar Technology. STOP Vx uses TriPollar 3rd Generation technology, the newest, radiofrequency technology on the market..
HOW DOES IT WORK? - The RF machine uses radio frequency to achieve skin tightening, toning and lifting and skin rejuvenation through boosting collagen production. It can be used for wrinkle removal and fine line reduction on the face, hands and neck..
IMMEDIATE & LONG-LASTING RESULTS - Enjoy a reduction in the appearance of wrinkles, reshaping and toning of facial features such as the jawline. Using STOP Vx regularly effectively postpones the signs of aging and rejuvenates..
PAINLESS & COMFORTABLE - The FDA-Cleared TriPollar STOP Vx radio frequency tightening facial device is painless, safe and easy-to-use from the comfort of your own home, delivering professional level anti-aging results from the first treatment..

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HiLetgo 5 Sets 433M Transmitter + Receiver Kit High Frequency Super Regenerative Transceiver Module for Burglar Alarm

Easy to use, nice range (using antenna on both), you can send strings (text) from one point to another. If you want to automate your house without....
Wireless Transmitter Modules allow your Arduino to wirelessly comunicate with other arduinos, or with radio frequency (RF) controlled devices that....
They work in pairs, meaning you need both a receiver and a transmitter to comunicate with each other.
Compatible with SparkFun’s 434MHz RF transmitter and RF receiver.
This Radio Transmitter & Receiver pair is perfectly matched to allow you to control items from a distance up to 500 feet wirelessly!.

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Rf Radio High Frequency Skin Tightening Machine, Face Lifting, for Stomach, for face - Neck, Loose Skin, Thighs, Professional Care Anti-Aging Device, Salon Effects, Remove Wrinkles and Acne, Eye Bags

【High Frequency Wrinkle Repair + RF Skin Tightening + Microcurrent】DUCKKOKO RF RF High Frequency Skin Firming Machine massages your body skin to introduce energy into the deep layers of the skin..
【Visible effects in 4-6 weeks】The Rf Radio Skin Tightening Machine penetrates the deep layers of the skin, and generates heat energy through the friction between the skin and the polymer..
【Green + Blue + Red Led Light Therapy For Face】Although DUCKKOKO Skin Tightening Machine is a portable, home skin care system, it gives professional, salon-quality results. Use it anywhere, any time.
at home, at the office, in a restaurant… There is no need to spend a fortune at a beauty salon, use this instead for healthy skin!.
【An amazing gift】Treat yourself or your loved ones, for they will absolutely love the DUCKKOKO Skin Tightening Machine. New for 2022, the golden rose petal design, luxurious appearance, and practical functionality, make it the perfect gift for that special person in your life, to celebrate a birthday, an anniversary or Christmas!.
【Provide you with 2 years of professional skin care guidance】For beauty, DUCKKOKO Skin Tightening Machine-not only provides you with better equipment, we provide you with 2-year professional skin ....

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