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868MHZ RF Transceiver Module Conforms Wireless M-bus protocol USB dongle
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868MHZ RF Transceiver Module Conforms Wireless M-bus protocol USB dongle

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868MHZ Wireless M-bus Module FC-704 USB dongle
with ultra low power comsuption
 

1. Brief Description

FC-704 transceiver module conforms to Wireless M-Bus protocol. It has a USB interface for serial communication and configuration. And accords with wireless communication hard test standard of Europe, which can work in S, T and R2 mode. It works in sleeping mode with super-low consumption power and can be wakened up via serial port.868MHZ Wireless M-bus Module FC-704 USB dongle with ultra low power comsuption is a good chice for meter reading application.

 

 

 
 
2. Key Performance indicators

1) Power voltage:+4.5V +5.5V, the normal: +5.0V;
2) Sleeping current: ≤2.8uA;
3) RX current:≤45mA;
4) TX current:≤65mA;
5) Working temperature:-40~+70
6) Channel spacing: 50KHZ/60KHZ
7) Modulation mode: FSK
8) TX power: 10dBm
9) Frequency error:±5KHZ;
10) Spurious emission:≤-36dBm;
11) Receiving sensitivity:≤-102dBm
12) Total 12 channels
Channel n 868.03 + n x 0.06 MHz
13) TX power(five levels):
1: -5 dBm
2: -2 dBm
3: 0 dBm
4: 7 dBm
5: 10 dBm
 
3.Technical Specification:
Parameter Min Typ. Max Unit
Frequency bands 868   870 MHz
Number of channels   13    
Input/output impedance   50   Ohm

 
 
Data rate

  

4.8

32.768

100

  

 
 

kchip/s

Transmit power

  

 

10

  

 

dBm
Sensitivity, 32.768K   -102   dBm

Spurious emission, TX
< 1 GHz
> 1 GHz

    

 

-36

-30

 
 

dBm
Sensitivity(32.768K)   -102   dBm

Blocking 1 MHz
              4 MHz
             8 MHz

  

 
 

–52

–56

–63

  

 
 
 

dBm
Image Rejection   –30   dBm
Spurious Emissions     -54 dBm
Harmonics     –42 dBm
Current consumption, SLEEP   2.8   uA
Current consumption, RX/IDLE   45   mA

Current consumption,
TX RF_POWER=5 10dbm

  

 
 

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Mr. Miss. Victoria
Tel: 86-755-23230518
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Contact Method
Shenzhen Friendcom Technology Development Co., Ltd.
6/F, 17 Building, Guangqian Industrial Park, Shenzhen, Guangdong, China (Mainland)
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