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Help Center433MHz/315Mhz ASK Transmitting and Receiving Module
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DL-RXC808 is a 433MHz superheterodyne receiver module. It is a receiving module for the superior performance of the ISM band. It adopts European brand industrial grade RF wireless data receiving chip, which has high receiving sensitivity, very strong anti-interference ability and image frequency suppression capability. It can realize wireless signal input to data signal output without any external circuit. The user only needs to add a simple data decoding circuit. This module is different from the industry’s usual noise output mode. The data output port of the module adopts a low level mode, which is convenient for data decoding of the back end MCU. It is applied to your wireless products to provide a strong guarantee for various certification tests. It can be directly used in various embedded applications to avoid cumbersome high-frequency performance debugging and effectively shorten the development cycle.
Application:
● Wireless sensor
● Home automation
● Automatic data collection
● Industrial remote control, telemetry
● Data monitoring transmission
● Home appliance control
● Security, alarm control
Features:
● Receiving sensitivity: 112dbm
● Frequency Range: 250M~500MHZ
● Data rate: 0.6~20Kbps
● Working frequency 315M, 433.92M (390M custom)
● Ultra wide working voltage range 3V-5.5V
● Power consumption can be 50nA in power-on mode
● Transmission rate 10Kbps Manchester code
● With RSSI signal strength analog level output
● Good selectivity and stray radiation suppression
● Module size: 30*10*5.1mm
Maximum
Parameter |
Minimum |
Maximum |
Unit |
Positive Power Supply |
-0.3 |
+3.6 |
V |
Voltage On Digital Control Inputs |
-0.3 |
VDD+0.3 |
V |
Voltage On Analog Inputs |
-0.3 |
VDD+0.3 |
V |
RX Input Power |
- |
+10 |
dBm |
Storage Temperature |
-55 |
+125 |
℃ |
Soldering Temperature（10s） |
- |
+255 |
℃ |
ESD Rating（Human Boy Model） |
-2 |
2 |
KV |
Recommended working range
Parameter |
Minimum |
Maximum |
Unit |
Positive Power Supply |
+1.8 |
+3.6 |
V |
Working Temperature |
-20 |
+70 |
℃ |
Supply Voltage Slew Rate |
1 |
- |
mV/us |
DC characteristic
Parameter |
Conditions |
Minimum |
Typical |
Maximum |
Unit |
|
RFM300H TX WorkingCurrent |
433MHz band.Pout=+20dBm 868MHz band.Pout=+20dBm 915MHz band.Pout=+20dBm |
- - - |
75 80 85 |
95 90 95 |
mA |
|
RFM300 TX Working Current |
433MHz band，Pout=+20dBm |
-
|
75
|
95
|
mA |
|
RFM300H/RFM300 RX Working Current |
433MHz band， 868MHz band， 915MHz band， |
- - - |
7 7.5 7.5 |
10 10.5 10.5 |
mA |
|
RFM300H/RFM300 Sleep Current |
All band |
- |
- |
1 |
uA |
Transmitter AC characteristic
Parameter |
Conditions |
Minimum |
Typical |
Maximum |
Unit |
|
TX Frequency Range Programmable |
433MHz band. 868MHz band. 915MHz band. |
413 848 895 |
- - - |
453 888 935 |
MHz |
|
RFM300H Output Power |
433/868/915MHz band
|
-
|
+20 |
- |
dBm |
|
RFM300 Output Power |
433MHz band
|
-
|
+20 |
- |
dBm |
Symbol Rate,FSK Mode |
programmable |
0.1 |
- |
300 |
kbps |
Symbol Rate,OOK Mode |
programmable |
0.1 |
- |
40 |
kbps |
Frequency Deviation,FSK |
programmable |
1 |
- |
200 |
KHz |
Frequency Resolution |
- |
24.8 |
- |
Hz |
Receiver AC characteristic
Parameter |
Conditions |
Minimum |
Typical |
Maximum |
Unit |
|
PX Frequence Range Programmable |
433MHz band. 868MHz band. 915MHz band. |
413 848 895 |
- - - |
453 888 935 |
MHz |
|
RX Sensitivity OOK ModeSR=1.2kbps, |
433MHz 868MHz 915MHz |
- - - |
-120 -118 -118 |
- - - |
dBm |
|
RX Sensitivity FSK ModeFoev=19.2kHz,SR =1.2kbps, |
433MHz 868MHz 915MHz |
- - - |
-118 -116 -116 |
- - - |
dBm |
Receiver Bandwidth |
50 |
500 |
KHz |
||
Blocking Immunity |
+/-1MHz offset +/-2MHz offset +/-10MHz offset |
- - - |
52 74 75 |
- - - |
dB |
Image Rejection Ratio |
lF=280KHz |
- |
35 |
- |
dB |
DreamLNK is a professional RF Module supplier, who is specialized in IOT products for almost 8 years, with many products CE, FCC, ROHS, and RTTE certified! Products include 433MHz RF modules, 2.4G modules, Bluetooth modules, Lora modules, Antennas, Remote control, Door/windows sensors, Smoke detectors, etc.
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