
วิทยุสื่อสารสมัครเล่น

SD-888H
- คุณสมบัติเด่น
- BAND 144.0000 - 146.0000 MHz.
- DIMENSIONÂ H : 92 mm. W : 55 mm. D : 32 mm
- WEIGHT 190 GRAMS / 5 WATTS
- 199 CHANNELS, 1200mAh LI-ION BATTERY.
- 214 CODES OF DCS / 50 GROUPS OF CTCSS
- DUPLEX FUNCTION
- SET UP NAME REPLACE CHANNEL
- ROGER BEEP SOUND (ROG)
- VOX SENSITIVITY (VOX)
- EMERGENCY CALL
- TIME-OUT TIMER
- AUTO POWER OFF
- FM RADIO 87.50 – 108.00 MHz.
- ETC
| รายละเอียดทางเทคนิค : | ข้อมูลทั่วไป | การส่งข้อมูล | การรับข้อมูล |
|---|
| ข้อมูลทั่วไป | |
| Sensitivity | <0.25 ?V at 12 dB/ SINAD |
| Squelch Sensitivity : | 0.158 ?V. |
| Selectivity | 68 dB. |
| Spurious Response Rejection: | 65 dB. |
| Intermodulation Modulation | 73 dB. |
| Adjacent Channel Selectivity | - |
| Audio Frequency Response: | +1 dB to - 3dB of + 6 dB. Octave 300 ~3000 Hz. |
| Frequency Stabilit | +/-5 ppm |
| Audio Output : | ? 500 mW. |
| Distortion | <5% at 8 Ohm Speaker |
| การส่งข้อมูล | |
| Output Power | Hi : 5 W. Lo: 1W. |
| Transmitting Frequency Error : | +/- 5 ppm |
| Transmitting Current | Hi < 1.5 A/ Lo < 0.8 A |
| Max. Frequency Deviation: | 0.300~4.5KHz/20 dB UP |
| Modulation Sensitivity | Transmitting Distortion <5% |
| Transmitting Distortion | - |
| Tone Frequency Deviation | 300-500 Hz. |
| Spurious Radiation | 73 dB. |
| Adjacent Channel power | 73 dB. |
| Harmonious Wave: | ? 50 dB. |
| การรับข้อมูล | |
| Frequency Range | 144.0000- 146.0000 MHz. |
| Channel No. | 199 Free memory channel |
| Frequency General | Synthesizer (PLL) |
| Mode Type | FM (F3E) |
| Channel | 25 KHz. / 12.5 KHz. |
| Working Temparature | -20 ?C to -55 ? C |
| Working | 7.4 V DC. |
| Low Voltage Indicator | The Battery is lower than 6V. |
| Frequency Stability: | +/- 5ppm |
| Case | Black |



