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RF receiver circuit board 433Mhz

Brand Name:
Model Number:
Place of Origin:
Hong Kong
13 Months
Operating principle::
super hyterodyne
Modulate mode::
RF receiver circuit board 433Mhz
Detailed Description

1. RF receiver circuit board 433Mhz
2. Super regeneration
3. 13 months garantee
4. 315Mhz/433Mhz
5. SAW

Model No.: DL-R11A

Description: super hyteredyne wireless receiver module/RF receiver circuit board 433Mhz


Product Detail:

DL-R11A is a kind of UHF high frequency receiving module with perfect stable performance, adopting advanced high integrated receiving IC RX3400 that has interior VCO and PLL circuit. It is widely applied in some circumstance with high interference and severe conditions.


1. Application:

a. Wireless gate security system;

b. Various anti-theft system;

c. Industrial remote control, remote measurement and remote sensing;

d. Data transmit with low band rate;

e. Other wireless remote control.


2. Technical Specifications:

Operating voltage:


Operating current:

≤2.5mA (5.0VDC)

Operating principle:

super heterodyne(VCO, PLL)

Modulate mode:


Operating frequency:

315MHz, 433.92MHz, customized frequency is available


2MHz (315MHz, test when the sensitivity decline to 3dBm)


better than -105dBm (50Ω)


<10Kbps (at 315MHz at -95dBm)

Output signal:

TTL electric level signal transparent transmit

Antenna length:

24cm (315MHz), 18cm (433.92MHz)


3. Size and Pin definition



4. Notes for usage

a. Pls use soft lead wire or other hard metal (like telescopic antenna), It can not be either too long or too short, or it will affect the receiving distance. The antenna should be stretched as straight as possible if it is using soft lead wire, and as far as possible from the metal objects.

b. The power voltage needs to be stable with low ripple factor and multilevel wave filtering (such as adding magnetic ball, inductance, capacitance etc.)

c. We suggest the clock frequency of the MCU should be lower than 4MHZ if used together with MCU, the crystal should be as far as possible to the RF receiving module, or the higher harmonic of the crystal will affect the communication distance.

d. There is short distance signal block up problem during the work of the ASK receiver module, pls pay attention to it during the operation. 


We have important business in the overseas market due to our high quality and reasonable prices. Also,we can supply RF receiver module according to customers’ requirements!We have sufficient experience and high responsibility,welcome to send us your sample and we can provide with you what you want.We promise our customers best price!We are sincerely looking for your cooperation!

Company information:
HONG KONG DAYLIGHT HOLDING CO LTD is an exporter of China (Mainland) Door Locks products.    Our products have been sold well in North America South America Eastern Europe Southeast Asia Africa Oceania Eastern Asia Western Europe Central America Northern Europe Southern Europe! We have implemented a strict and complete quality control system, which ensures that each product can meet quality requirements of customers.    We invite you to visit our website and deliver your inquiries to us!We look forward to serving you!
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Send Inquiry to this Supplier
Mr. Francis Zhao
Unit 04, 7/F, Bright Way Tower, No. 33 Mong Kok Road, Kowloon, HK.

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