Reviews Superheterodyne Receiver

Radio Shack Pro-95 1000 Channel Dual-Trunking Scanner Radio

  • Simultaneous Trunking Operation tracks two trunking systems (Motorola and EDACS) and conventional systems at the same time..
  • Automatically determines the group trunking frequencies, for Motorola trunking systems only, once the control channels are programmed.
  • 10 Channel-Storage Banks let you store 100 channels in each bank (1,000 channels) to group channels so calls are easier to identify..
  • Weather Alert automatically sounds the alarm tone to advise of hazardous weather conditions.
  • Triple Conversion Superheterodyne Receiver.
Check Stock

Escort Passport 8500 X50 Radar Detector Extended Long Range, AutoMute, AutoSensitivity, Audible Alerts, Adjustable LED Display, Signal Strength Meter, Grey, 1.25

  • ...r Detection, Advanced Digital Signal Processing, AutoSensitivity Mode Automatically Reduces False Alarms, EZ-Programming Allows Instant Customization.
  • Operating Bands : X-band 10.525 GHz 25 MHz, K-band 24.150 GHz 100 MHz, Ka-band 34.700 GHz 1300 MHz, Laser 904nm, 33 MHz Bandwidth..
  • Radar Receiver / Detector Type : Superheterodyne, Varactor-Tuned VCO,Scanning Frequency Discriminator,Digital Signal Processing (DSP).
  • Laser Detection : Quantum Limited Video Receiver,Multiple Laser Sensor Diodes.
  • Enhanced Radar Protection:Our enhanced "V-Tuned" radar receiver provides extreme long range warning on all radar: conventional and "instant-on" including POP mode, X-band, K-band, and SuperWide Ka-band. Digital Signal Processing (DSP) provides maximum range, with minimum false alarms.
  • Exclusive AutoSensitivity Mode:ESCORT's patented AutoSensitivity mode intelligently identifies real threats from other radar sources. Plus, our exclusive Traffic Signal Rejection (TSR) software rejects interstate traffic sensors making it quiet to own and operate.
  • High-Performance Laser Protection:PASSPORT's multiple high-performance laser sensors provide maximum laser warning, with superior off-axis protection. For the ultimate in laser protection add the optional ZR4 Laser Shifter.
Check Stock

Wouxun USB Programming Cable with CD Software for Wouxn KG-UVD1P KG-UV6D KG-UV8D Plus KG-UV9D Plus Two Way Radio

  • ▶Cross Band Repeater - KG-UV9D Plus is a advanced two way radio which can repeat VHF to UHF or UHF to VHF. It can be used as a small movable repeater, very helpful for extend the talk range.FCC Id:B1703024KG-UV9D Plus.
  • ▶Anti-interference Technologies - The advanced Anti-interference technologies are used in KG-UV9D Plus. The superheterodyne receiver makes KG-UV9D Plus performance great noise reduction. However, the High sensitivity also help KG-UV9D Plus receive the week signal..
  • ▶Memory Channels 999 - There are 999 channels in KG-UV9D Plus. The large channel memory makes you can store more channel list. It is a advanced channel storage in analogue two way radio.
  • ▶Mplitude-frequency PTT settings - There are two PTT keys designed in KG-UV9D Plus. One control Main Frequency, another control sub frequency. This advanced design make user more convent communicate in different area..
  • Package Include: 1x KG-UV9D Plus 1x LI-ion charger Battery Pack 2x Antenna 1x Belt Clip 1x Wrist Strap 1x LI-ion 1xCar Charger 1x User Manual.
Check Stock

Solidremote 12V - 24V Secure Wireless RF Remote Control Relay Switch Universal 2-Channel 433MHz Receiver with 2 FCC ID Transmitters for Garage Door Openers, Cars, LED Lights & More (KIT-1)

  • SECURE # Rolling code key fob device offers better security and far more code combinations (more than 18 quintillion – 18 x 10^18 possibilities, nearly a trillion more than typical fixed code or so-called learning code ones) and built on new platform using higher RF sensitivity -111dBm superheterodyne module for better long range and more stable performance. Also 433Mhz frequency is less crowded than 315Mhz in USA..
  • EASY & FLEXIBLE # Two independent relay channels can either work together (in latching) for polarity reversing or individually (in pulse / hold) to control different electronics, such as one channel for garage door controller unit, the other for entry lights. Easy programming & easy to use DIP switches working mode selection between pulse / momentary, hold / toggle and latching mode..
  • ENCLOSURE # Designed to work both indoor and outdoor, default enclosure supplied protects the inner radio receiver circuit board safe from rain or other tough weather, while customer can also use chemical glue or epoxy adhesive to seal the wiring holes after setup, providing IP55 equivalent waterproof protection level. Mounting holes are provided for easy installation to walls etc using screws..
  • INTERFACE # 3-Level efficient switching po....
Check Stock

Uniden PRO520XL Pro Series 40-Channel CB Radio. Compact Design. ANL Switch and PA/CB Switch. 7 Watts of Audio Output and Instant Emergency Channel 9. - Black

  • Extremely popular for Industrial, Commercial, and Off-Road use. Easily fits in most any vehicle because of its compact size..
  • Built-in External Speaker Jack allows connecting to an optional external speaker, and you can use the Public Address function to be heard outside your vehicle with an optional PA speaker..
  • A superheterodyne circuit with phase locked loop technology assures precise frequency control. Included in the box: CB Radio, Microphone, Mounting Hardware, Mounting Bracket, User's Manual, and Two-Year Warranty..
  • 40-channel mobile CB radio with superheterodyne circuit/phase locked loop for precise control.
  • Built-in automatic noise limiter and auto-squelch to eliminate noise and improve communication.
  • Signal/RF meter and LED indicators to monitor activity.
  • instant channel 9 access for emergency situations.
  • Connect external speakers and use PA/CB switch for use as a Public Address system.
  • Front-positioned microphone with extra-long, coiled cord for convenient use.
Check Stock

Code Alarm CATXMLC Replacement Remote Transmitter

  • Code Alarm 5 button 2-way LCD paging replacement metal transmitter remote.
  • Programmable to the following models: CA1550, CA1551, CA1552, CA1553, CA6550, CA6551, CA6552, CA6553.
  • You will need to use the valet switch (programming/override button) to perform the programming procedure.
Check Stock

Uniden PRO510XL Pro Series 40-Channel CB Radio. Compact Design. Backlit LCD Display. Public Address. ANL Switch and 7 Watts of Audio Output. Unique PLL Circuit. S/RF LED Meter. , Black

  • ...ormance and eliminate noise, and the front-positioned 4-pin microphone has an extra-long coiled cord for convenient use..
  • While communicating, flip on the ANL (automatic noise limiter) to help eliminate background noise, such as that from the car engine/etc. The squelch control also assists with eliminating noise..
  • A superheterodyne circuit with phase locked loop technology assures precise frequency control. Built-in External Speaker Jack allows connecting to an optional external speaker..
  • Included in the box: CB Radio, Microphone, Mounting Hardware, Mounting Bracket, User's Manual, Two-Year Warranty..
  • 40-channel mobile CB radio with superheterodyne circuit/phase locked loop for precise control.
  • Built-in automatic noise limiter and squelch control to eliminate noise and improve communication.
  • Signal/RF meter and LED indicators to monitor activity at a glance.
  • Front-positioned microphone with extra-long, coiled cord for convenient use.
Check Stock

Code Alarm CATXMLC 5-Button 2-Way LCD Paging Replacement Transmitter Remote 433.92MHz FCC H50TR35 H5OTR35

  • Code Alarm 5 button 2-way LCD paging replacement metal transmitter remote.
  • AM, superheterodyne (SAW), 433.92MHz, AAA battery powered.
  • Programmable to the following models: CA1550, CA1551, CA1552, CA1553, CA6550, CA6551, CA6552, CA6553.
  • You will need to use the system's valet switch (programming/override button) to perform the programming procedure.
Check Stock

Cobra XRS R10G Voice Alert Radar/Laser Detector with Wireless Remote System Full Color Screen and GPS Locator with Red Light/Speed feature

  • Super-Xtremerange Superheterodyne Detection Technology Detects Up To 9 Miles In Advance.
  • Includes Aura Camera & Driving Hazard Database.
  • Patent-Pending Intelliscope Technology Provides Direction Of Safety Cameras.
  • Intellilink Wireless Remote/Display With Easy To Program Menus.
Check Stock

Elenco AM/FM Radio Kit |Switch Between ICs & Transistors | Solder | Great STEM Project | Superheterodyne Designed to AM and FM Broadcasts | SOLDERING REQUIRED

  • 56 page Training Course is divided into 9 lessons.
  • Audio Amp, AM Detector, AM IF, AM Amp, AM Mixer & Oscillator, FM Detector, 2 x FM IF, FM RF Stages.
  • Electronics training course appropriate for High School and University level curriculum.
  • “Superheterodyne” designed to receive standard AM and FM broadcast frequencies.
Check Stock

2 Pieces Car Key Cases Car Key Fob Vehicle Smart Keychain Case Holder Black

  • 5-Button replacement transmitter remote (Replacement for XT-11, XT-12, XT-21, XT-24, XT-57, XT-59, XT-60, XT-61, XT-62, XT-63, XT-65S, XT-72S).
  • FCC ID: H50T21 H5OT21 (Replacement for B23AT67, H50T20 H5OT20, H50T31 H5OT31, H50T33 H5OT33, H50T52 H5OT52).
  • AM, superheterodyne (SAW), 433.92MHz, clear LED lens (Blue, green, or red when LED on).
  • Works for CPX-RS1, CPX-RS2, DS-434, KE-120, RF-105KE, RF-1050KE, RF-1055KE, RF-215, RF-220, RF-225, RF-305, RF-310, RF-315, RF-350, RF-355, RF-405,....
  • NOTE: Button configurations may vary on remotes with different button layout than this remote.
Check Stock

AM Radio Electronic DIY Kit, 3V 6 Tube S66E Radio Classic Circuit 535-1620khz Electronic Components with 5mm Headphone Jack for Soldering Learning Teaching

  • The S66E radio is further developed on the basis of the S66 radio, which performance is more outstanding..
  • There is A-level intermediate discharge and detection circuit, which make this radiao work more efficient..
  • It uses a front input transformer, two power amplifier and transistors 9013 to amplify output..
  • The headphone socket is 5 mm in diameter and it is suitable for universal purpose headphones..
  • S66E type kit adopts 6-tube superheterodyne receiving mode, and the circuit is classic, easy to debug..
Check Stock

Tecsun H501 Digital Worldband AM/FM Shortwave Longwave Radio with SSB Reception, Dual Speakers, & MP3 Player, Matte Black

  • 【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..
Check Stock