433Mhz 868MHz Master Slave Network Transceiver RS485 UHF FSK Module Board

Description:

Working voltage: DC 5V;
Working current: 5-40MA
Interface : RS485
Frequency: 433MHz/868MHz
Transmit power: -40~+20dBm;
Receiver sensitivity: -114dBm;
Operating temperature: -25℃~+75℃;
Transparent transmission mode baud rate :1200 2400,4800,9600(Default),19200;
AT mode configured baud rate fix is: 9600BPS;
Open ground Transmission distance : 500M
Size(without antenna): 58.5x30x13.8mm
Weight(without antenna):16.8g
 

How to use (>=2pcs):

1 2PCS : Ordinary wireless transmission,Module 1 and Module 2 send data to each other.
 
2 3PCS : Relay transmission,Module 1 sends data, module 2 acts as a repeater (multiple repeaters can be used), and module 3 receives data; delay sending and receiving distance.
 
3 >=3PCS: Master-slave network transmission,One as master device, the other as will be as slave device.
the way they work as well as wired RS485 bus. Master device transmit data, Slave devices all receive data.Any slave device transmit data, master device and the other slave devices can receive .When ever only allowed one device (master or slave) to transmit data.
 




 
 
 
 
 
Application:

PTZ Camera
Modbus modbus temperature sensor
LED Controller
RS485 Master-slave network transmission
Remote control, remote measurement system;
Wireless meter ;
Smart Home,Home Automation ,Wiser Home;
Access control ;
Identification system ;
Data collection;
IT household appliance ;
Intelligence household appliance;
Baby monitoring system;
 

433M Sucker Antenna:
 
Applicable Frequency : 315MHz/433MHz/470MHz
Gain: 5.0 dBi
S.W.R. < 1.5;
Input Impedance: 50ohm
Antenna Length : 145mm
Cable Type : RG174
Connector Type : SMA plug straight
Cable Length : 1.5M

868M Sucker Antenna:
 
Applicable Frequency : 868MHz/915MHz
Gain: 5.0 dBi
S.W.R. < 1.5;
Input Impedance: 50ohm
Antenna Length : 110mm
Cable Type : RG174
Connector Type : SMA plug straight
Cable Length : 1M
 

Domestic
We believe you need to get your purchases as quick as possible. As a general rule your item will be shipped within 24 hours of you purchasing it. We pack and post from Tuesday to Sunday (Mondays we are closed) but definitely get all our mail off to the post office first thing Monday morning for you. Mail gets picked up at 12pm so chances are if you buy before lunchtime your item will leave the same day.

International
Same as above but understand that depending on what part of the world you are from it does take a little longer to send, delivery can be from 7-15 working days. Also other factors to take into consideration are quarantine and customs regulations in your country. It is also a consideration that customs duties and GST/VAT may be payable at the buyers expense.

Combined Postage (for items with shipping charges):
We are more than happy to combine postage, just use the Buy it Now function in eBay (but DO NOT PAY after purchasing each item) to buy all the products you need, when you have finished request a combined invoice, we will base the shipping cost on the size, weight and your location.

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* Just contact us using the " Ask the seller a question" link on eBay.

Your Satisfaction is our Priority. Our goal is to make all our customers as happy as possible while shopping with us.

 

  For anything problem about product, price, shipping or order status, pleasecontact us via eBay message.Just contact us using the " Ask the seller a question" link on eBay.
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  1. We believe our items are so outstanding. We are convinced you will be happy with your Purchase.
  2. If you do not satisfy with our items. Please simply return to us within 30 Days in original condition. Just pay for the returned postage. Then we can issue full refund to you after the returned item arrived at our warehouse.
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