Superheterodyne wireless

Buy H3V3E/H3V4F Low Power Superheterodyne Wireless Remote Control Module Transparent (frequency 433MHz) for R50.00

Buy H3V3E/H3V4F Low Power Superheterodyne Wireless Remote Control Module Transpa... (FREQUENCY: 315MHZ) for R147.90

Superheterodyne 3400 Wireless Receiver Module With 433RF Transmitter Board Feature: With internal VCO and PLL circuits, frequency stability, high sensitivity, anti-interference ability. Widely used in wireless data transmission wireless remote control and so on. Superheterodyne 3400 wireless receiver module Scope: 1, The wireless access control system 2, Various types of anti-theft system 3, Industrial remote control, telemetry, remote sensing 4, Low baud rate data transmission 5, Other harsh environments of wireless remote control Description: 1. Working voltage: 5.0VDC ± 0.5V 2. Operating current: ≤2.5mA (5.0VDC) 3. How it works: Superheterodyne (VCO, PLL) 4. Working way: OOK / ASK 5. Operating frequency: 433.92MHz 6. Working temperature: -40 to + 80 degrees 7. Sensitivity: Better than -110dBm (50Ω) 8. Rate: 9. Output signal: TTL level transparent transmission 10. The antenna length: 24m (433.92MHz) Package includes: 1 x Superheterodyne 3400 wireless receiver module 1 x 433RF wireless transmitter module

Buy 315MHz Wireless Receiving Control Module Superheterodyne Remote Control Switch Module for R250.00

Buy 3Pcs Superheterodyne 3400 Wireless Receiver Module With 433RF Transmitter Board for R547.00

Buy 10pcs RXB12 315Mhz/433Mhz Superheterodyne Receiver Board Wireless Receiv for R295.00

Description: STX882 ASK Wireless Remote Control Transmitter Module: STX882 is a ASK transmitter module with small size, ultra high power, low harmonics. With high stability, it can be achieved at 50mW power when the voltage is 3.6V, it is the maximum transmitter power module under the the same voltage in the market. Data port of the module can be connected to the microcontroller directly, make wireless product development and production more convenient. SRX882 ASK ASK Wireless Remote Control Superheterodyne Receiver Module: SRX882 is a superheterodyne receiver with micro power and strong driving force, is supplementary STX882 / STX888 module. Data port of the module can be connected to the microcontroller directly, make wireless product development and production more convenient. Module Function Demonstration DEMO Board: Package included: 3 x 433MHz 100m transceiver module kit (3pcs ASK transmitter STX882 + 3pcs ASK receiver SRX882 + 6pcs copper spring antenna)

Product Features:                                                          1. The receiving sensitivity reaches: -107dBm 2. Operating frequency: 433.92 MHz 3. Power supply voltage input range: 3.3V-5.5V 4. Low power consumption, 5.0V @ 433.92MHz, 3.8-4.1mA,  Continuous data transfer rate to 2.4K (Manchester code) 5. Good selectivity and stray radiation suppression ability, easy to pass CE/Fcc international certification 6. Good local oscillator radiation suppression capability, multiple receiver modules can work together (ie, single-shot and multi-receipt) without interfering with each other, and the use together does not affect the receiving distance 7. Temperature range: -30-85 °C It can work normally even under harsh ambient temperature; 8. Size: 28 x 12.4 x 5 (mm) 9. Pin description: from left to right VT, D0, D1, D2, D3, VCC, GND 10. Output mode: jog, self-lock, interlock optional Code method:   Press and hold the learning button for 2 seconds, the indicator light is off, indicating that the learning state has been entered; release the learning button, press any button on the remote control, the indicator light flashes twice and then return to steady light to indicate successful learning.   Clearing method:   Press and hold the learning button for 8 seconds. When the indicator is off to return to steady light, the code has been cleared.   Application range:   (1) Car remote control door switch (RKE) (2) Remote control door opener (3) Wireless security alarm (4) Wireless doorbell (5) Wireless controller (6) Wireless data transmission Package includes: 1 x Module

Description: STX882 ASK Wireless Remote Control Transmitter Module: STX882 is a ASK transmitter module with small size, ultra high power, low harmonics. With high stability, it can be achieved at 50mW power when the voltage is 3.6V, it is the maximum transmitter power module under the the same voltage in the market. Data port of the module can be connected to the microcontroller directly, make wireless product development and production more convenient. SRX882 ASK ASK Wireless Remote Control Superheterodyne Receiver Module: SRX882 is a superheterodyne receiver with micro power and strong driving force, is supplementary STX882 / STX888 module. Data port of the module can be connected to the microcontroller directly, make wireless product development and production more convenient. Module Function Demonstration DEMO Board: Package included: 5 x 433MHz 100m transceiver module kit (5pcs ASK transmitter STX882 + 5pcs ASK receiver SRX882 + 10pcs copper spring antenna)

Features: 1. The product is small in size, high in sensitivity and strong in anti-interference ability; 2. The same definition as the four-pin pin of RXB12, the usage is the same. The unit price is lower than RXB12 and can be directly replaced. Technical Parameters: Working voltage: DC3~5V Transmission rate: 4.80KBPS Quiescent current: 6mA Receive sensitivity: -105dBm Dimensions: 30 × 9 × 5mm Working temperature: -20 ° C ~ +80 ° C Frequency: 433.92MHZ The receiving structure is super-heterodyne, receives the OOK wireless signal, and directly outputs the COMS signal to the external decoding IC after receiving the signal. Application areas: Car alarm, security, learning machine, smart home, garage door, gate, central locking, electric curtains, industrial control, etc. Package includes: 10 x Superheterodyne Module

System specifications: Audio range: 620-950MHz Modulation: Broadband FM Available bandwidth: 25MHz Number of channels: infra-red automatically tunes 100 channels Frequency stability: ±0.005% Dynamic range: > 110dB The peak frequency deviation: ±45KHz Audio response: 60Hz-18KHz(±3dB) Integrated signal to noise ratio: > 105dB Total distortion: 0.5% Receiver specifications: Receiver mode: the second conversion superheterodyne IF frequency: the first IF: 110MHZ,the second IF 10.7MHZ Wireless interface: BNC set Sensitivity: 12dB(80dBS/N) Noise suppression: > 80dB Audio output: unbalanced: +4dB(1.25V)/5KΩ Balance: +10dB(2.5V)/600Ω Power supply voltage: DC11-16V(rated 12V) Current: single receiver,less than 200mA,Dual receiver,less than 350mA Transmitter specifications: Output power: 10mW/3mW(HI/LO conversion) Spurious suppression: -60dB Power supply: AAx2 Current: Use time(alkaline batteries): high-power launch time of about 8 hours,low-power launch time of ablout 12 hours. Set A: for meeting, Set B: handheld microphone Package Included: 1 x Transmitter 2 x Microphone 1 x US Power Adapter 1 x Audio Cable 1 x User Manual

Buy 3pcs Geekcreit RX500A 315/433MHz High Sensitivity Superheterodyne Wireless Receiver Module for R175.00

Buy 5pcs Geekcreit RX500A 315/433MHz High Sensitivity Superheterodyne Wireless Rece for R349.00