All of our items are Brand New |
This item is suitable for short distance communication. It is simple, economical and convenient. |
Model |
Retevis H-777 |
Antenna Impedance |
50 ohm |
Working temperature |
-30~+60°C |
Rated Voltage |
3.7V DC |
Output power |
<5W |
Battery type |
Li-ion battery |
Battery capacity |
1500mAh |
Color |
Black |
Dimension(LXWXH) |
60X33X115mm(Not Antenna) |
Weight |
180g |
Dual band or Single band |
Single band |
Dual frequency or Single frequency |
Single frequency |
Frequency Range |
UHF: 400-470MHz |
Memory Channel |
16 CH |
CTCSS/DCS function |
Yes |
|
Built-in Led torch |
Yes |
|
Low battery alarm |
Yes |
|
Power saving function |
Yes |
|
Chinese and English voice prompt |
Yes |
|
PC software programmable |
Yes |
|
Troubleshooting Guide ⅠNo Power ☺Check battery installation and/or replace batteries. ☺Voltage capacity quickly go out. ☺The battery life is over,need one new. ⅡCouldn't communtion with other group members ☺Please verify that the channel frequency and the CTCSS you are using are the same as those of your group members. ☺If the the channel frequency and the CTCSS are same,please verify that your group members are within the radio coverage. ⅢHear the voice from other groups ☺Please change your CTCSS for the channel. At the same time,you also need CTCSS for all the radios in your group. ☺If you don't like this,you may apply another channel frequency. ⅣWhy can i hear the vioce clearly from the other group, sometimes,my voice is intermittent. ☺Please check whether the Mic is blocked by something,if so,please return the radio to your authorized dealer for maintenance. ☺Sometimes,your frenquency is same as the frequency ⅤCan't turn on the radio and even it is turned on,it often shuts off automatically. ☺Please check the battery contacts on the radio.If it's broken or twisited. ☺Please return the radio to your authorized dealer for maintenace. |