SD-944H Features http://www.tccom.co.th/new/product-detail.php?id=532•
BAND 144.0000 - 146.0000 MHz.• DIMENSION 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
+++++++++++++++++++++++
SD-944H Specification
General
Frequency RangeChannel No.
Frequency General
Mode Type
Channel
Working Temparature
Working
Low Voltage Indicator
Frequency Stability:
Case 144.0000- 146.0000 MHz.
199 Free memory channel
Synthesizer (PLL)
FM (F3E)
25 KHz. / 12.5 KHz.
-20 ?C to -55 ? C
7.4 V DC.
The Battery is lower than 6V.
+/- 5ppm
Black
Transmitter
Output Power
Transmitting Frequency Error :
Transmitting Current
Max. Frequency Deviation:
Modulation Sensitivity
Transmitting Distortion
Tone Frequency Deviation
Spurious Radiation
Adjacent Channel power
Harmonious Wave:
Hi : 5 W. Lo: 1W.
+/- 5 ppm
Hi < 1.5 A/ Lo < 0.8 A
0.300~4.5KHz/20 dB UP
Transmitting Distortion <5%
-
300 - 500 Hz.
73 dB.
73 dB.
? 50 dB.
Receiver
Sensitivity
Squelch Sensitivity :
Selectivity
Spurious Response Rejection:
Intermodulation Modulation
Adjacent Channel Selectivity
Audio Frequency Response:
Frequency Stabilit
Audio Output :
Distortion
<0.25 uV. at 12 dB / SINAD
0.158 ?V.
68 dB.
65 dB.
73 dB.
-
+1 dB to - 3dB of + 6 dB. Octave 300 ~3000 Hz.
+/-5 ppm
? 500 mW.
<5% at 8 Ohm Speaker
