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  All Products  »  Radio / walkie talkie  » BAOFENG  » Duplex Repeater Controller FREE Baofeng BF-530I walkie talkie
Duplex Repeater Controller FREE Baofeng BF-530I walkie talkie
Duplex Repeater Controller FREE Baofeng BF-530I walkie talkie      Duplex Repeater Controller FREE Baofeng BF-530I walkie talkie      Duplex Repeater Controller FREE Baofeng BF-530I walkie talkie      Duplex Repeater Controller FREE Baofeng BF-530I walkie talkie      
Item ID: SR-328 + BF530I + 46-K x2
Item Name: Duplex Repeater Controller FREE Baofeng BF-530I walkie talkie
Our Price: USD 75.00  *Shipping Cost Included
Ships to: Worldwide



 SURECOM Duplex Repeater Controller

FREE Baofeng BF-530I walkie talkie



Radio Range Extender

The SR-328 is a multi-function and cheaper device that connects any handheld or mobile radio.

By equipment and so on our assemble the build, the new generation trunk-line board, the internal structure design are finer, the outward appearance is more attractive. Besides can provide a  the basic repeater function which has following the receiver transmitter, furthermore has the Simple connection, provides the more ideal 2-way radio conversation region for you, causes you maintains the relation in the bigger operating region.

This  is a radio duplex repeater controller. It is an easy of operation and  cost effective and highly flexible platform for setting up bi-direction  band duplex repeater with mobile radio and handheld radio.  .

The SR-328 has 2 audio ports input and out , they are used to connect with mobile and handheld radio. DTMF remote control function with password protection is available in the . User can control the repeater ON or OFF remotely by DTMF. Multi-LED display 2 of radio status , and  build-in battery Level.

-Works with most popular handheld radios
-Multi- LED display 2 radio status , And controller Battery Level  
-Real time duplex repeater with link radio  
-Allows user to change the DTMF remote control password by radio   
-Operates on both build-in Li-ion battery 72 hours long life operation
-External DC 5~24V power supply  
-DTMF remote control repeater function ON and OFF with password protection
-Professional manufacturer low power consumption .

When the radio units are connected, the received signal on a radio unit will be real time transmit on the other radio unit.  , 



INPUT of radio band



(RX )

















        A Input  for Radio Received
        B Input  for Radio Transmit

Repeater work:     
      1, The frequency difference between the upper and lower row forwards (and conventional repeater), A machine as a signal uplink receiver, B machine as a signal downlink transmitter. In order to achieve the purpose of the relay.

Not have a duplexer: two hand-held units connected to a relay station, such as unparalleled workers, two hand sets should be separately using two antennas! Two antennas should be perpendicular to erect! And try to pull the distance between the two! At least not less than 1-5 metre (suggest : the farther the better two distance are Two antenna  .)

sr-328_12.jpg (600×787)

Have  a duplexer: purchase the corresponding frequency / power duplexer using "the joint " of the two hand sets connected to the antenna output terminal of the duplexer transmitter and receiver, respectively, set the frequency corresponding to the handheld units (frequency should be consistent with the duplexer). Under diplexer case, the relay station as long as the need to connect an antenna! And no special attention when erecting antennas !  

SR-328_15.jpg (600×395)

         e.g. This SR-328  connects Radio and Duplexer




Connector Radio unit:


 Build in 3.7V Li-ion Battery:


 Ext.DC Jack 5.5/2.1mm:

 Standby Time:   180hours
 Standby Current:   4mA
Work Current: 20-30mA


Charge  Red                          Charge
 Blue                        Full
Power /TX Status  Red flash                      Power on / standby
  Blue                          Radio A RX  >  B TX
 blue flash         Sleep mode
Battery Life  Yellow LED **** 100%
 Yellow LED *** 80%
 Yellow LED ** 50%
 Yellow LED * 40%
 Yellow LED *  Flash 10-30%







sr-328_11.jpg (600×330)





  • 1x SR328 Duplex Repeater Controller
  • 1 x 100-240V power supply unit
  • 2 x Kenwood / CHINA Radio connect cable 
  • 1 x  BF-530I (VHF136-174Mhz UHF 400-520Mhz)
  • 1 x 7.4V 1800mah Li-ion Battery Pack
  • 1 x DUAL BAND Antenna
  • 1 x Belt Clip
  • 1 x ENG Manual
  • 1 x Desktop Charger ( 100V ~ 240V )+(2pin USA or 3pin UK or 2pin EURO or 2pin Australia)
  • 1 x PTT Earpiece for free 





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