Superheterodyne radio differential learning code rolling code receiver module 315 433M decoding module

Superheterodyne radio differential learning code rolling code receiver module 315 433M decoding module
 

Product description:

(Product name) superheterodyne receiver decoder module

(Product model) RXW19MA

RXW19MA is an OOK / ASK superheterodyne receiver module, works in 315.0MHz 433.92MHz band. Highly integrated superheterodyne receiver all the features of the circuit not only has high sensitivity, good temperature characteristics, anti-interference ability, communication distance and by European and American standard certification, apply to your product device for your products to provide strong protection in the certification test, can effectively improve the efficiency of your products.

Product Image:

application:

Features:

• Wireless sensors

• open transmission distance of 300 meters (1.2kbps)

• Home automation

• Operating frequency flexibly set 315M, 433.92M

• Wireless Data Acquisition

• similar products in the lowest power consumption (6mA

• industrial automation control

• chip package is small, in favor of on-board design

• Industrial remote control, telemetry, remote control

• ASK modulation

• surveillance cameras automatic direction control

• Four TTL output mode

• Wireless control toys

• Learning code and rolling code (optional)

• Intelligent weather forecast and temperature monitoring

• Wide range of power supply 3-5V

• motorcycles, electric vehicle security alarm

• Peripheral No adjustable components, improving product consistency

• alarm monitoring fishing fishing

• Optional all kinds of cheap emission Matching System

• Intelligent Building Data Monitoring

• Intelligent Community Emergency medical alarm system

• Kitchen linkage control system

• Lighting switch control system

• Intelligent home control

(Module electrical parameters)

Power + 5V signal source frequency 315M under normal test conditions

parameter

symbol

status

Reference

unit

Operating Frequency

Fc

Least

standard

maximum

314.9

315

315.1

MHz

Modulation

ASK

Receiver sensitivity

50 European high-frequency signal line input directly 1K

-112

dBm

Reception bandwidth

200

KHz

Start Time

10

ms

Operating Voltage

3

3.6

5

V

Working current

5

mA

Operating temperature

-20

+75

Output Level

Non-lock mode or interlocking mode

Power + 5V signal source frequency 433.92M under normal test conditions

parameter

symbol

status

Reference

unit

Operating Frequency

Fc

Least

standard

maximum

433.82

433.92

434.02

MHz

Modulation

ASK

Receiver sensitivity

50 European high-frequency signal line input directly 1K

-112

dBm

Reception bandwidth

200

KHz

Start Time

Ton

10

ms

Operating Voltage

V

3

3.6

5

V

Working current

IRC

8

mA

Operating temperature

-20

+75

Output Level

Non-lock mode or interlocking mode

(Module performance parameters)

parameter

Least

typical

maximum

unit

condition

DC Characteristics (Unless otherwise indicated, temperature = 25 ℃, Vcc = 3.6V)

Operating Voltage

3

3.6

5

V

315M operating current

5

mA

433.92M operating current

8

mA

Output Mode

3

3.6

5

TTL level

Recommended application conditions

Operating temperature

﹣20

25

75

storage temperature

-40

125

Storage Please pay attention to moisture, ESD protection

RF characteristics (unless otherwise indicated, temperature = 25 ℃, Vcc = 3.6V)

Receiving frequency

315

390

433.92

MHz

Receiver sensitivity

-112

dbm

@ 2Kbps

Data Rate

2

kbps

(Module 3D map)

(Module pairing instructions)

Description of the code

Press the learning key panel, lights flashed, press any button on the remote control, lights flashed again exemplar of success in learning, then this remote control can remote control receiver board

Delete Code Description

Press learning key board, lights, and not let go until the lights off, exemplar delete code is successful, then all this board paired remote can not control this receiver board

The corresponding pin

D0 ~ D3 on the remote control, the corresponding receiver module D0 ~ D3, if the combination code corresponding to the output pins are high

(Pin function)

Pin

name

Pin Function Description

Product structure diagram

PIN-1

VT

Signal reception indication port

Unit: mm

PIN-2

VCC

Power input is recommended 3.3V or 5.0V

PIN-3

GND

Grounding, and MCU system common ground

PIN-4

L

External button to learn

PIN-5

D3

Control pin output

PIN-6

D2

Control pin output

PIN-7

D1

Control pin output

PIN-8

D0

Control pin output

PIN-9

GND

Grounding, and MCU system common ground

PIN-10

ANT

Antenna Signal Input

(Dimension)

project name

size

project name

size

Module length

38mm

Chip Package

SOP

Module width

16mm

Crystal Package

49S-SMD

Module thickness

5mm

RC Package

0402

Pin spacing

2.54mm

Pin length

7mm

Note: 1, the module antenna is recommended to use single-core copper: 315M length 280mm, 433.92M length 170mm

2, in order to ensure receiving distance, module location far away from the interference source is recommended