KIRISUN V689 UHF 400-425MHZ DIGITAL TWO WAY RADIO對講機
KIRISUN V689 UHF 400-425MHZ DIGITAL TWO WAY RADIO對講機
KIRISUN V689u The transceiver is a micro-miniature multiband
FM transceiver with extensive receive frequency coverage,
providing local-area two-way amateur communications along with unmatched monitoring capability
FM transceiver with extensive receive frequency coverage,
providing local-area two-way amateur communications along with unmatched monitoring capability
UHF TWO WAY RADIO
General features:
1,16 zones to 256 channels
2, the emission of high and low power 4W/1W optional
3, channel lock
4, the keyboard locks (locks automatically, manually lock)
5, the clock display, alarm clock
6, speak softly functions
7, sub audio / digital tone
8, tail elimination
9, the monitoring function
10, mixed scanning
11, VOX function
12, TOT emission limit protection
Digital functions:
1, support the digital mode, analog mode, transfer mode (optional)
2, contacts, call history
3, PTT default contact (group) call
4, all call, group call, a call, emergency call
5, manual dialing
6, digital voice encryption
7, emergency alarm (single, joint) 3 × 4 modes
8, remote killing, activate
9, the working status query
10, the digital power saving mode
13, you can edit SMS function, the default shortcut short message
14, calls and SMS ringing Tips
Technical parameters
|
V689
|
Geral Specifications
| |
Frequency
|
(400-425) MHz
|
Cluster number of channels
|
256
|
Channel spacing
|
/12.5kHz
|
Operating Temperature
|
-25℃~+60℃
|
Antenna Impedance
|
50Ω
|
Microphone impedance
|
2KΩ
|
Battery (standard configuration)
|
Model: KB-V688，lithium polymer battery
DC 7.4V ±20% 1380mAH
|
Volume (length × width × thickness)
|
220 mm x54 mm x51 mm
|
Weight
|
168G(main unit only)/ 265G (with battery and antenna host)
|
Receiving part
| |
Sensitivity (12dB SINAD)
|
0.25μV (narrow)
|
Adjacent Channel Selectivity
|
≥ 60dB
|
Intermodulation Immunity
|
≥ 60dB
|
Spurious response
|
≥ 60dB
|
Audio output power
|
≥50VW(distortion is less than 5%时，16Ωoad)
|
Frequency Stability
|
±2.5ppm
|
Audio response
|
+2/-6 dB
|
Transmitting section
| |
RF Power
|
4W（High）/ 1W（Low）
|
Modulation
|
4FSK
|
Clutter and harmonic
|
≤-60dB
|
Residual FM（300-3000Hz）
|
≤-35dB
|
Audio Distortion（300-3000Hz）
|
≤3%
|
Frequency Stability
|
±2.5ppm
|
Maximum Deviation
|
±2.5kHz
|
Audio response
|
±3 dB
|
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