Dual band double ptt full- deplex GP-6688UV dual band walkie talkie handheld repeater
Dual band double ptt full- deplex GP-6688UV dual band walkie talkie handheld repeater
Dual Band mobile radio VHF UHF radio base ham cross band repeater
| Product name | Dual band double ptt full- deplex GP-6688UV dual band walkie talkie handheld repeater | ||
| Frequency | UHF&VHF | Output | VHF 5W; UHF 4W |
| Channel No | 128 CHS | Battery capacity | 1600mAh |
| Working Voltage | 7.4V | Dimension | 114*52*29.5MM |
| Frequency Stability | ±2.5ppm | Modulation Mode | 16K Ø F3E / 11Ø F3E |
| Current | ≤1.6A | Modulation Distortion | ≤5% |
| Maximum Frequency Deviation | ≤ 5KHz / ≤2.5KHz | Adjacent Channel Power | ≥70dB ≥62dB |
| Spurious Power | ≤7.5uW | Preemphasis Charcter | 6dB / Every Times the frequency will increase |
| Wide / Narrow | 0.75KHz±0.1Hz, 0.4kHz±0.4kHz | Modulation Sensitivity | 8-12mV |
| Advantage | 1.Double PPT 2.Duplex work mode 3.Dual frequency display 4.DCS/CDCSS 5.DTMF 6.Channel name edit 7.Priority channel scan 8.Voice compandor 9.Squelch level: 0-9 10.Repeater function 11.ANI function 12.Monitoring function 13.128 channels, 3 types channel scan 14.Selective call, group call 15.Backlight color choices: Orange, 16.Voice operated transmit vox | ||
Dual Band mobile radio VHF UHF radio base ham cross band repeater
Dual Band mobile radio VHF UHF radio base ham cross band repeater
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. Depends 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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