Radio frequency identification

Buy M5Stack RF433R Wireless Radio Frequency Receiver SYN531R Radio Frequency Re for R169.00

Buy M5Stack RF433R Wireless Radio Frequency Receiver SYN531R Radio Frequency Remote for R180.82

Technical Data Sheet: 1. Measurement power range: -75 ~ +16 dBm (external RF attenuator can be extended to 100dBm) 2. Measurement power resolution: 0.1 dBm 3. Measurement frequency range: 1 ~ 600 MHz 4. output interface: SMA_K 5. Operating voltage: 6 ~ 12 VDC 6. Operating current: 7. working temperature: -40 ??~ 65 ??br />8. Storage temperature: -40 ??~ 65 ??br />9. Size: 57 * 58 * 14 mm (length * width * height) Interface display and operating instructions: 1. Main display, the first line display shows the RF Power Meter The second line shows the P:power dBm; AT: attenuation dB The main menu is measurement results, can not be adjusted. 2. Function menu A. Attenuation setting menu,the first line shows Attenuation Menu The second line shows ATTN: XXdB Enter the menu function key: Long press ENTER and press again exit, ADD SUB to execute +, - operation B. internal compensation set, the first line is ADC Offset Menu The second line is Offset: +/- xx Enter the menu function key: press ADD+SUB and ENTER at the same time to exit, ADD SUB to execute +, - operation C. automatic backlighting function: when it is no backlight, press any key to open the backlight Package included: 1 x Digital Radio Frequency Power Meter

Technical Data Sheet: 1. Measurement power range: -75 ~ +16 dBm (external RF attenuator can be extended to 100dBm) 2. Measurement power resolution: 0.1 dBm 3. Measurement frequency range: 1 ~ 600 MHz 4. output interface: SMA_K 5. Operating voltage: 6 ~ 12 VDC 6. Operating current: 7. working temperature: -40 ￢ﾄﾃ ~ 65 ￢ﾄﾃ 8. Storage temperature: -40 ￢ﾄﾃ ~ 65 ￢ﾄﾃ 9. Size: 57 * 58 * 14 mm (length * width * height) Interface display and operating instructions: 1. Main display, the first line display shows the RF Power Meter The second line shows the P:power dBm; AT: attenuation dB The main menu is measurement results, can not be adjusted. 2. Function menu A. Attenuation setting menu,the first line shows Attenuation Menu The second line shows ATTN: XXdB Enter the menu function key: Long press ENTER and press again exit, ADD SUB to execute +, - operation B. internal compensation set, the first line is ADC Offset Menu The second line is Offset: +/- xx Enter the menu function key: press ADD+SUB and ENTER at the same time to exit, ADD SUB to execute +, - operation C. automatic backlighting function: when it is no backlight, press any key to open the backlight Package included: 1 x Digital Radio Frequency Power Meter

Buy RF AM FM Radio Frequency Envelope Detector Discharge Detector 0.1-3200MHz Module for R260.93

Buy FM Radio Frequency Connection Car Home Entertainment Wireless Integrated Microphone Audio(Black) for R1,199.00

- Features dot matrix LCD for displaying the precise detected frequency channel and transmission power - Detects frequencies between 1MHz and 2400MHz (2.4GHz) - Detects transmission powered between 0.1W and 50W - The higher the transmission power, the higher the frequency detection accuracy - Powered by 3 x AAA batteries (sold separately) - Detection range depends on transmission power, range for typical low powered transmission is 10 meters radius General Form Color Black Dimensions & Weight Packing List 1 * piece

Buy Now and Receive Free International Shipping!   Features: High sensitivity FM/AM/SW radio receiver 360° rotary telescopic antenna Jog dial manual tuning Using 5W high power inner magnetic trumpet, clear and resonant MP3 player: can play mp3 format music stored in the SD card / USB disk / AUX input AUX Audio Input: support to connect the external audio equipment as a loudspeaker MIC recording: built-in microphone, you can record what you want to say Equipped with 1200mAh lithium battery, super long playtime Equipped with a portable handle, convenient to carry Specifications: Frequency FM: 88-108MHz AM: 530-1600KHz SW: 8-16MHz Support memory SD card, USB disk, Max 16GB Power supply built-in 1200mAh rechargeable lithium battery 4 x UM-1 D size batteries (not included) AC 100-240V 50/60Hz Speaker 3.5inch, 4Ω, 5W Size 210 x 140 x 95mm /8.2 x 5.5 x 3.7 in Weight 960g / 2.1lb             Your item will arrive at your address in 19 - 29 days after we receive payment.   Thank you for stopping by, we look forward to hearing from you!    

Features: Real time video transmission Control system: Gyro 6 Axis Channel: 6CH 3D tumbling Frequency: 2.4 GHz Material: ABS Configuration: Camera: HD Camera Colour: Black Recharging Time: 30-40 minutes Control distance: 100 meter Frequency: 2.4 GHz Material: ABS Drone battery: Lithium cell 7.4V/400mAh Transmitter Power: AA battery(not included) Accessories: 1 x remote control 1 x USB charging cable 1 x User manual 4 x Spare rotor blades

Features: 1. HD camera 2. Control system: Gyro 6 Axis 3. Channel: 4CH 3D tumbling 4. Frequency: 2.4 GHz 5. Material: ABS Product Details: Channel: 4 Channels including Raise & Down, Forwards & Backwards, Left & Right Turning, Left & Right Camera: 2.0 P.M Flight Duration: 8-10 minutes Recharging Time: 30-40 minutes Control distance: 100 meter Frequency: 2.4 GHz Material: ABS Drone battery: Lithium cell 7.4V/380mAh Controller Power: AA battery(not included)*4 Colour: Black Accessories: 1 * remote control; 1 * USB charging cable; 1*User manual;4 * Spare rotor blades; 4G memory card*1; Card reader*1;

Description: Brand Name: WLtoys Mode:F949 Flight time: about 25 minutes Charging time:40~60minutes Frequency:2.4G Hz Number of driving motor: 3 coreless motor combination Control distance:200m Material: Form Flying weight:58g Dimention:500*393*192mm(W*L*H) Features: -Designed according to Cessna-182 real plane, with cool appearance. -3 coreless motors combination, stronger driving power -EPP composite material, high flexibility, excellent recovery, and not easy to break -Easy operation, suitable for beginners and intermediate flight game players -Apply to indoor and outdoor flight, longer remote control distance, Flying range up to 200m -Rudder volume size adjustable, and you can do all kinds of difficult movements accurately, such as going forward, up/down, turn left/right, fine tuning, 360-degree rotation, spiral movement, loops,etc. Package Include: 1 x Airplane 1 x Li-Po Battery 1 x Propeller 1 x USB Charger 1 x Transmitter 1 x Screwdriver 1 x User Manual 1 x Colourful package

Product Features: Rigorous design and strong balance allowing for flexibility and consistency Sleek brushed matt black/ white design, allowing for optimal reduction in air resistance Dual control technology allowing for beginner and professional mode 4 GB SD Card enabling enhanced image capturing and storage Allows for both outdoor and indoor use 4CH Transmitter 2.4G Technology ensuring anti-interference between more than one drone flying simultaneously Agile and precise 360 degree inversion for different directions such as forward, backward, left and right Optimal flip and roll performance - even in fast forward flight, you can give flip and roll inputs and it will perform the manoeuvre without a loss of momentum Cool night lights allowing for perfect night flights 6-Axis gyro quad-rotorcraft flight, strong stability, can easily implement various flight movements, stronger wind resistance and easier to control LCD monitor shows the throttle, LED light, battery and signal conditions The 6-axis system allows the quad to be hand launched Strong anti-drop capabilities, use of high strength metallic materials, and is equipped with a full range of multi-angle crash protection cover Specifications: Controller: Up/down, left/turn right, forward/backward/Speed up Drone battery: Built-in 7.4V/380mAh Li-Po Controller battery: 4* Alkaline batteries (NOT included) Charging time: 80-90 minutes Controlling distance: About 150 meters Frequency: 2.4G Channel: 4 channels Built-in Gyro: Yes Material: PC/Metal/Electronic components Size: Approx. 21*18.5*5.5cm Weight: 700g Colour: Black Package Includes: 1 x DM007 Quadcopter with 2MP HD Camera, Fully Assembled 1 x 4 Channel 2.4GHz Transmitter 1 x 7.4V 380 mAh Li-poly Battery 4 x Spare Blades 1 x 4GB SD Card 1 x Wall Charger 1 x Instruction Manual 1 x Card Reader 1 x LCD Screen 1 x Blade protection set

Specifications: *Controller: Up/down, left/turn right, forward/backward/Speed up *Drone battery: Built-in 7.4V/380mAh Li-Po *Controller battery: 2* Alkaline batteries (NOT included) *Charging time: 15 minutes *Frequency: 2.4G *Channel: 4 channels *Built-in Gyro: Yes *Material: PC/Metal/Electronic components Features: * No need to adjust the position of aircraft before flying * 4 Channel which can do ascend, descend, forward, backward, left sideward fly, right sideward fly and throw to fly * It has 6-axis gyro which can have more stable flying and be easy to control * It has 3 speeds with high, middle and low. It can be self-adjusted which is easier for new flyers to handle * 3D tumbling in four directions with 4 LED lights * Battery protection Package Includes: * 1 x Cheerson CX-10 RC Quadcopter * 1 x 2.4G transmitter * 1 x USB cable * 4 x Blades * 1 x Manual

FAST AFFORDABLE COURIER SHIPPING TO SOUTH AFRICA 9V Frequency Meter 500mhz High Precision Reader RF Radio Frequency Measuring Instrument Feature: Operating voltage: 9V Test frequency range: Within 500mhz get high precision, more than 500mhz test results for reference only! Test frequency type: RF radio frequency, such as walkie-talkie and other wireless devices. At the same time can also be measured cable frequency! How to use: Power on to test. Board comes with adjustment capacitor, you can manually calibrate! Specification: Input signal amplitude: 0.5-5V Input impedance: 20-200 ohms Best impedance: 50 ohms Note: 1, Can not use more than 9v voltage for power! 2, The test frequency is wide, and this product don't comes with gain antenna, you can DIY antenna gain, can effectively increase the test range! 3, If you do not know how to make antenna, a wire is also possible. Package includes: 1 x 9V Frequency Meter Test picture, for reference only: 9V Frequency Meter 500mhz High Precision Reader RF Radio Frequency Measuring Instrument 9V Frequency Meter 500mhz High Precision Reader RF Radio Frequency Measuring Instrument

Specifics: Using RTL2832U + R820T program, taking advantage of the Q channel RTL2832U on adding support for the frequency of 100KHz-24MHz, to achieve the reception of 100KHz-1.7GHz. You can use the SDR software receives support 100KHz-1.7GHz waves AM, FM (NFM, WFM), CW, DSB, LSB, USB demodulation. Listen to AM, shortwave radio, FM radio, amateur radio communications, SSB, intercom calls, aviation and other bands Frequency band(s): HF Supported modes: FM Package includes: 1 x Radio Frequency Modulation Kit Note: 1. This is a DIY kit, you need to assembling it. 2. Please allow 1-3cm error due to manual measurement. Please make sure you do not mind before you order. 3. The colors may have different as the difference display, please understand.