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Products-RF Module-HR-1101 Data RF Module
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Description:
HR-1101 module is used to supply enable design for customers, the module does not take with MCU by itself , it only offer customers user interface for operation.
 Condition:
 Power Supply
   Work voltage of module is 1.8V-3.6V, recommending to use 2.8V. If the working voltage of MCU is higher than module`s, between each working port and MCU I/O port must be linked with resistance in series to separate them, and the range of supplying voltage between them is not too far. (recommending the same power supply to offer electricity)
 RE/TE Control instruction:
RE/TE is used to control power of data receiving in expansion and transmission
 
Num
RE
   TE
           Situation
1
    L
L
TX( plus expansion,output 1100 2 dBm
2
    L
H
Sleep(1100)sleep needs control of software)
3
    H
L
 
4
    H
H
RX/TX( There is no need for transmit power)
 Modules technology parameter under common temperature as follow :
    Transmit power: >16dbm:
    Receiver sensitivity: <-109dbm(1200bps)
    Phasic noise: <-90dbc/Hz
    Transmit current: <65mA
    Receive current: < 25mA
    Sleep current: < 3uA
    Center frequency: 433MHz
  Outer transmit distance: 800m—1000m
key word: CC1100 433MHZ 868MHZ 915MHZ RF module   wireless data module  Center frequency
 Features:
 Pin caption
Number
Name
                         Definition
1
GND
                       Ground(Digital)
2
VCC
                        Power Supply
3
SI
Serial configuration interface(Data input)(the detailed functions reference CC1100 Datasheet)
4
SCLK
Serial configuration interface(Clock input)(the detailed functions reference CC1100 Datasheet)
5
SO
Serial configuration interface(Date output)Optional general output pin when CSn is high
6
GDO2
Digital output pin (the detailed functions reference CC1100 Datasheet)
7
GDO0
Digital output pin (the detailed functions reference CC1100 Datasheet)
8
CSn
Serial configuration interface, chip select
9
RE
Receive enable
10
TE
Transmit enable