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433Mhz Superheterodyne Front-end RF Receiver Module

DL-RXC2016BH is a micro-power, highly sensitive, superheterodyne RF receiving module. It is a high performance, cost-effective receiving module with simple peripheral circuit.
  • DL-RXC2016BH

  • 433MHz

  • RX Chip

  • -25dBm

  • 2.0~5.5V

  • -110~-112dBm

  • 300m

  • 22*9*5mm


Micro-power High Sensitive Superheterodyne 433Mhz RF Receiver Module

DL-RXC2016BH is a micro-power, highly sensitive, superheterodyne RF receiving module. It is a high performance, cost-effective receiving  module with simple peripheral circuit. It has high stability, and strong anti-interference capability. The typical frequencies of applications ranging from 315 to 440 MHz, and the peripheral components are the least of the similar superheterodyne reception schemes.

This RF receiving module is compliance with European and American radio security regulations, can be directly applied to your wireless products, and a variety of embedded applications, to avoid tedious high-frequency performance debugging, effectively shorten the development cycle. DL-RXC2016BH is a real "high frequency antenna AM signal input, digital signal output" receiving module. All RF and IF tuning is done automatically on the chip, which eliminates the manual adjustment process in the development and production, will reduce your R&D costs and enhance the product competitiveness.


● Standard COMS interface control and decoding data output

● Complete monolithic UHF receiver, frequency range 425-525 MHz

● Working frequency: 433.92 MHz, 315 MHz

● Receive sensitivity: -112dBm

● Transmission rate: 1.0~5 kbps

● Ultra-wide working voltage range: 2.0V-5.5V

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DL-RXC2016BH Specification V1.0 do

Technical Parameter

DC characteristics

Description Min. Max. Unit
Supply voltage 2.0 5.5 V
Working current 3.3 4.5 mA
I/O Port voltage Vss-0.3 Vdd+0.3 V
Working temperature
-20  70

DC characteristics of the Module 

RF characteristics (Unless otherwise stated, the temperature is 25 ℃, and VCC is 3.3V)

Parameter Characteristics

Reference Value

Min.  Typ.  Max.

1 Frequency range 425,315/433 ,525 MHz
2 Antenna signal input peak value — ,— ,-25 dBm
Receive sensitivity -110 , ,-112 dBm
Data baud rate 1.0 ,1.2 ,5 Kbps


LNA Gain 10,— ,12 dB
6 Noise figure (NF) — ,— ,-3.6 dB
7 Frequency range of PLL (Phase Locking Loop) 220 ,— ,550 MHz
8 IF bandwidth (RBW) — ,280 , KHz
9 Crystal accuracy 20, ,10 PPM

High frequency characteristic table of the module

Pin Definitions


The DL-RXS531 module has four pins, which are defined in the following table

Pin Name Description  Remark
1 ANT Antenna input, single core copper wire is recommended >0.8mmф
2 VDD Power supply
3 DATA  Data output, connected with decoding chip or MCU
4 DATA Data output, connected with decoding chip or MCU
5 GND Grounding, common ground with the system



Typical application

Wireless Data Acquisition, Wireless Data Communication, Wireless Data Monitoring and Transmission, Wireless Sensoring; Wireless Remote Control System; Wireless remote control for electronic consumer products; Wireless Alarm & Security Control System; Wireless Sensor Networking, Automatic Data Collection; Industrial Remote Control, Intelligent Control System, Smart Home, Home Automation, Home Appliance Control, Building and Residential Control, Smart City, Logistics Tracking, RFID (radio frequency identification); Telemetry, Automatic Meter Reading system (Water, Electricity, Gas); Remote control that supports radio frequency (RF) technology

Product Tags

Sub-1Ghz RF Modules, RF Module supplier, ASK RF module, Wireless ASK receiving module, Wireless data transmission, RF Receiver, RF Receive module, ASK Module, RF Receiving module, 433MHz RF Module, 433MHz Wireless Receiving Module