Technical Parameters:
<br />Frequency Range:400-470MHz
<br />RF Rated Power 5W
<br />Channel Capacity:16
<br />Operated Voltage:3.7V
<br />Dimensions:115mm x 60mm x 33mm
<br />Weight:150g
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<br />Troubleshooting Guide:
<br />1.No Power?
<br />Check battery installation and/or replace batteries. 
<br />Voltage Capacity Quickly Go Out.
<br />The battery life is over, replace new one.
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<br />2.Couldn't I communicate with other group members?
<br />First, please verify that the channel frequency and the CTCSS you are using are the same as those of your group members.if the channel frequency and the CTCSS are the same, please verify that your group members are within the radio coverage
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<br />3. Hear the voice from other groups?
<br />Please change your CTCSS for the channel. at the same time, you also need to the CTCSS for all the radios in your group. if you don't like this, you may apply another channel frequency.
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<br />4.Why can here the voices clearly from other group,sometimes, my voice is intermittent?
<br />Please check whether the MIC is blocked by something. if so, please return the radio to your authorized dealer for maintenance, Sometimes, your frequency is same as the frequency of other groups.
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<br />5.Can't turn on the radio and even it is turned on, it often shuts off automatically?
<br />Please check the battery contacts on the radio. If it is broken or twisted, please return the radio to your authorized dealer for maintenance.
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<br />Package:
<br />5* 888S Radio
<br />5* Antenna
<br />5* Handstrap
<br />5* Charger
<br />5* Battery
<br />5* Belt Clip
<br />5* User's Manual