JUNSHUNTONG HF VFO for Ham SDR QRP Transceiver,20K-220MHz RF Generator Superheterodyne Receiver Debugger,Tcxo Clock,S-Meter, 20 Band presets
【HF VFO /RF Generator 】It has 10kHz to 220MHz working ranges. 0.5PPM high precise Tcxo clock, the frequency is more accurate. Tuning step of 1Hz, 10Hz, 1kHz, 5kHz, 10kHz and 1MHz..
【VFO for Ham SDR HAM QRP Transceiver】 Used as a local oscillator on Homebrew radio receivers (such as superheterodyne, SDR, direct conversion and Homebrew QRP transceivers) ， a simple RF/clock generator for calibration reference or clock generation，a common 128x64 I2C OLED SSD1306 display and Si5351 module..
【Adjustable】Intermediate frequency (IF) offset (+ or -) is adjustable.The bar graph of the signal meter through the analogs input (ADC).I2C data transmission, only need 2 lines it can be connected to the display, with high stability and accuracy of frequency generation.
【20 Band Presets】Equipped with generator function mode.Initial frequency, end frequency, sweep-frequency-step can be set. 20 band presets (shortcuts) for BCB and HAM frequencies.RX/TX mode selector for Homebrew QRP transceivers..
【 Guarantee】 We providing 100% satisfactory service to every customer to make sure our customer can purchase with confidence. If you have any questions, please contact us, we will reply and improve in time..
1HZ-500KHZ FG-100 DDS Functional Signal Generator Frequency Meter Signal Source Module Frequency Counter
Feature FG-100 DDS Function generator is a low frequency signal generator..
It is small size, full function, easy operating and portable. Its power supply can be either AC/DC adaptor or a Lithium battery..
Working with an oscilloscope, it can be used to troubleshoot the electronic circuit, characterize the audio amplifier frequency response or measure the impulse response..
Due to the excellent DSS accuracy and frequency stability, it can also be used to calibrate the sweep time factor for oscilloscopes. You can also use its square wave to calibrate your oscilloscope attenuator or adjust your oscilloscope probe.
Have a filter (can be opened and closed) to suit the output of sine wave and pulse wave..
Galaxy DX-939 Backlit 40ch Mobile CB Radio with TalkBack & Roger Beep
Star Lite faceplate makes all lettering glow in the dark.
Large, easy-to-read meter with scales for power output, modulation, SWR and incoming signal.
Five-digit frequency counter and two-digit channel display using large blue LEDs , variable power output control, variable talkback circuit with on/off switch.
Automatic SWR circuit with an SWR alert LED, Roger Beep circuit with on/off switch.
Variable dimmer control, frequency display on/off switch, 3-position tone switch for receive.
Wireless Earbuds Air podswireless Bluetooth 5.2 Headphones Noise Cancelling Stereo Earphones Air Buds with Mic Fast Charging IPX6 Waterproof in-Ear Ear Buds for iPhone/Android/Samsung Earbuds (Black)
... touch. Softly tap on the earbud to skip songs, adjust volume, answer/reject calls and activate siri without picking up your phone..
★【Dual HD Microphones Earbuds】-With 14mm PU + Protein Membrane Drivers , it delivers wider sound stage with exceptional accuracy and superior Hi-Fi Stereo Sound across the entire frequency range. Combined ANC Technology, analyzes surrounding noise through the mic in real-time and generates a “counter-noise” to cancel it.reduce 38 dB of low-frequency ambient noise to providing truly natural, authentic sound and powerful bass performance..
★【CHARGE ON-THE-GO】-LBZJ True Wireless Earbuds offers stream music for up to 8 hours on a single full charge and pocket sized charging case extends playtime up to 40 hours.
★【BLUETOOTH 5.2 QCC Technology】-LBZJ Bluetooth earbuds use the most advanced Qualcomm QCC3040 Chip with APTX/AAC/SBC high-resolution wireless audio technology,which means the headset has the most stable signal connection, better sound quality and lower power consumption(50ft no-obstacle range).Auto power on and paring after taking the earbuds from the charging case..
★【IPX6 Waterproof & 2-YEAR WARRANTY】Resistant to sweat, water and rain, it is very suitable for running, hiking, t....
DEKOPRO Measuring Wheel, Measures Up To 99,999 Ft Compact Wheel With Carrying Bag,4-Inch
✅【Accuracy Mechanical Measurement】4'' diameter wheel measures distance up to 9999ft, The measurement tool adopts a finely machined gear counter, stable transmission, and accuracy. Using the measuring wheel, the forward count increases and the backward count decreases, which effectively avoids errors..
✅【Extendable & Shrinkable】The measurement wheel can be extended up to 38 inches and shrunk to 15 inches. so that you can put it into the backpack and carrier with you..
✅【High Quality &Durable】 The connecting rod is made of aluminum alloy, which is light and strong. The wheels are made from new ABS material and covered with soft TPR rubber. Strong and durable material has improved the service life of the product perfectly..
✅【Easy To Use】Mechanical counter for fully mechanical distance measurement, no need for additional battery power, environmental and efficient, designed with a reset button, clearly visible and dustproof display, very easy to use..
✅【Wide Application】 The measuring wheel has enough versatility and can be used in various indoor and outdoor projects. Moreover, It is an ideal choice for real estate appraisers, law enforcement, construction or landscaping workers, and homeowners alike. We have high-standard facto....
UNCOMPROMISED PHONO AMPLIFICATION AND EQUALIZATION - Precisely converts the turntable phono signal to line level, featuring an ultra high-accuracy....
SOPHISTICATED CIRCUIT DESIGN ENGINEERED WITH PREMIUM COMPONENTS - High accuracy components, low noise power supply, and low impedance output stage....
VIVID STEREO SOUNDSTAGE - Utilizing individual left and right channel OP amps provide optimal channel separation and virtually no crosstalk during....
LOW FREQUENCY RUMBLE FILTERING - This selectable high pass filter rolls off the low end frequencies below 20Hz. This slow gentle roll off is helpful....
PROTECTED FROM ANY ELECTRONIC INTERFERENCE - Internal metal shielding enclosure to block electro-magnetic interference and electronic noise.
GARDWENS Radar Detectors for Cars, Radar Detector Police Radar Detector Long Range Detection, Voice Alerts with Led Display Gray
[Radar detector full frequency reception] - X.K.KA.CT.LASER and other bands, full frequency sensing without missing bands. High accuracy rate, automatically reduce false alarms to ensure your safe driving..
[LED display with voice alert function - All-round warning]- The radar can detect any stable or moving radar speed camera from 250-1000m ahead and respond quickly with voice alert, providing advance warning for your driving and ensuring driving safety..
[360 degree laser radar detection] - The speed radar detector uses the latest upgraded 360 degree laser detection technology, detecting from the front, side and back, with high accuracy and automatically reducing false alarms for your safe driving..
[Easy to use] - Plug the speed radar detector into the power supply and place the included anti-slip mat, select either city road or highway mode, allowing you to be in a densely populated city or on the highway, the ultra fast scanning circuit's laser auto 360 degree detection provides you with ultra long range detection and the best possible warning..
Product contains: 1 radar detector, 1 power cord, 1 non-slip mat and a box with user guide..
KETOTEK Digital AC Voltmeter Panel Mounting Meter AC80-300V Frequency Counter 45.0-65.0 HZ LED Display Voltage Volt Frequency Meter Tester Gauge
【2 in 1 Multimeter】Voltage and frequency can be displayed with different color on the LED screen, red for voltage, green for frequency. It is clear and convenient to read..
【Wide measuring range】Voltage: AC 80~300V, Hertz: 45-65Hz, Accuracy: 1% ± 2 digits, with high working efficiency of 2 times/s measuring speed..
【No extra individual power supply】It can directly connect two wires to the tested voltage to measure voltage and frequency without power supply..
【Ultra small size】2.68×1.65×1.5inch / 68x42x38mm. This Voltage Frequency Meter can be installed on anywhere flexibly..
【More information】Operating temperature: 10°F~122°F/-10℃ ~ 50℃. Note: The AC current meter only suits for pure AC 50-60HZ power supply and can NOT be used for square wave, inverter output and sine wave circuit measurement of modified sine wave, otherwise the meter will be damaged..
Digital LED Counter 4in Digits Display Counter People Visitor Counter Count Up to 9999 with Remote Control 110-240V (Infrared Sensor, Accumulate Count)
[PRODUCT FEATURES] LED large screen, 4in red numbers are bright and conspicuous, the maximum can count 9999, and it can be controlled by remote control (due to transportation restrictions, there is no battery in the package) to meet the basic counting needs..
[2 COUNTING MODES] Accumulative counting and accumulative counting down. Each machine can only use one counting method. Generally, the accumulation mode is more suitable for assembly lines, and the accumulation and subtraction mode is suitable for parking lots..
[2 SENSORS] The digital counter is equipped with an infrared sensor and a laser sensor. The infrared sensor is suitable for sensing larger objects (such as express boxes), and the laser sensor is suitable for sensing smaller objects (such as cups) with more accurate accuracy. (Requires no vibration around) Choose the appropriate sensor according to the target..
[POWER-OFF MEMORY] This led digital counter has a power-off memory function. If the power is suddenly cut off, the machine can be restored to the value before the power-off after the machine is powered on..
[INSTALLATION METHOD] There are two hooks on the top of the counter. You can hang the counter or use double-sided tape to stick the counter on the wall..
