| Customization: | Available |
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| Certification: | FCC, ISO, RoHS, CE |
| Communication Distance: | 8-12km |
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Main features:
The SR-628 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.
When the radio units are connected, the received signal on a radio unit will be real time transmit on the other radio unit.
e.g. VHF/VHF, UHF/UHF, VHF/UHF or UHF/VHF modes
Input A: Channel A is TX When channal B is RX.
Input B :Channel B is TX When channel A is RX .
The purpose can be done in two different places and using different frequency bands intercom, through our mutual communication relay station.
This is a radio cross band duplex repeater controller. It is an easy of operation and cost effective and highly flexible platform for setting up bi-direction cross band duplex repeater with mobile radio and handheld radio.
The SR-628 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
Major Features
| Connector Radio unit: |
2 |
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Build in 3.7V Li-ion Battery: |
900maH |
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Ext.DC Jack 5.5/2.1mm: |
DC5V~24V |
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Standby Time: |
180hours |
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Standby Current: |
4mA |
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Work Current: |
20-30mA |
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Size: |
110x80x25mm |
| Operating temperature: | -10°C to +50°C |
| ED DISPLAY | |
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Charge |
Red Charge/DC in |
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Blue Full |
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Power |
Red Power on |
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Red flash Sleep mode |
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Status |
Red Radio A RX , B TX |
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Blue Radio B RX , A TX |
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Battery Life |
Yellow LED 100% |
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Yellow LED*** 80% |
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Yellow LED** 50% |
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Yellow LED* 40% |
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Yellow LED*Flash 10~30% |
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Q: Why sometimes your partner's voice is intermittent?
A: Please note that you are within normal communication range, If you want use radio in distance range, please change other antenna with a bigger output power.If still same problem, please send the radio back to your authorized dealer repair.
Q: Can't turn on talky and even it is switch on, it often shuts off automatically?
A: Please check the battery contacts on the walkie talkie. If it is broken or twisted, please return the radio to your authorized dealer for maintenance during warranty.
Q: Can't transmit or receiver signal with other members?
A: First, please verify that the channel frequency and the CTCSS, you are used the same as those of your group members. Please make sure that you and your partners are all within the radio coverage, If the channel frequency and the CTCSS are the same.
Q: Why sometimes received voice from other groups?
A: Two way solutions.You can change another channel or change another channel frequency by PC software.
Q: Which is better -VHF or UHF?
A: epends on the terrain. The UHF signal is attenuated or absorbed by foliage, rough terrain and trees, VHF does better outdoors. The VHF has difficulties penetrating steel and concrete, UHF does better in and around buildings. If you use the radios in both environments, we prefer using UHF band.
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