433M 3v Super-heterodyne Wireless RF Receiver KL-RF211B

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Overview
Quick Details
Brand Name:
KELVINRF
Model Number:
KL-RF211B
Place of Origin:
Guangdong, China (Mainland), Guangdong China (Mainland)
Products Attribute:
High sensitivity fixe code receiver
Operating Voltage:
DC 3-5V
Working Current:
4.2mA
Operating Frequency:
315 / 433MHz
Receiver Sensitivity:
-115dBm
Decode Type:
Fixed Code
Dimension:
47*19*7mm
Modulation Type:
OOK/ASK
Use:
Auto door, Industrial control system, Low-bit-rate Transmission, etc
Description

315/433M Super-heterodyne Wireless RF Receiver 

KL-RF211B is a general 3V radio receiver that operate at 315/433.92MHz with typical sensitivity of -115dBm.As a superheterodyne receiver for OOK and ASK modulation up to 10kbps. Any one-off-four filter bandwidths may be selected externally by the user in binary steps, from 1.25kHz to 10kHz. The user need only configure the device with a set of easily determined values, based upon data rate, code modulation format, and desired duty-cycle operation

Specification
Parameters
Working Voltage
DC3/5V
Working Current
4.2mA
Standby Current
0.5μA
Frequency
433MHz (315MHz)
Bandwidth
330KHz
Sensitivity
-115dBm
Modulation
ASK
Dimension
47*19mm
Temperature
-20℃~80℃
FAQ

What you want to know?

Q1: What's output signal ?
A1: It outputs TTL .

Q2: Can you provide related certification like CE/FCC ?
A2: Yes,we designed and produced it under their directive.

Q3: What's working mode?
A3: Default momentary ,toggle and latch is optional.

Q4: Will it be interfered by around same frequency signal?
A4: Our receiver has certain anti-interference ability.

Q5: Why call it for fixed code receiver?
A5: It only can work with fixed code remote.

Q6: Can we change supply voltage for 9Vdc ?
A6: Of course ,we support this service.

Q7: Can we print our model number on PCB ?
A7: Yes. please confirm this with us before placing..

Q8: Can we customize size of PCB of Pin ?
A8: Yes ,we support

Q9: Why it can't work with our remote ? the frequency is same.
A9: Besides frequency ,oscillation resistance and address code should be matched .
Q10:  I didn't know what's oscillation rsistance and address code .
A10: Please contact us .

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315/433M Super-heterodyne Wireless RF Receiver KL-RF211B