HTX-404 (190-1140) Specifications Faxback Doc. # 8840 GENERAL Frequency Range.........................................440.000-450.000 MHz Frequency Step.....................................5/10/15/20/25/50/100 KHz Frequency Stability..............................................+/- 10 ppm Antenna Impedance........................................50 Ohms Unbalanced Speaker..............................................................8 Ohms Microphone...................................Condenser Microphone 1.2 Kohms Channel Display................................................LCD 8 Digits Operating Temperature..........................14 F to 140F (-10 C to 60 C) Size.......................2-9/16 x 4-5/8 x 1-7/8 Inches (65 x 117 x 37 mm) Weight...................................................1 lbs 3 oz (540 g) SUPPLY VOLTAGE: Alkaline Battery Pack.................................................9 VDC Ni-Cad Battery Pack (600mAh)........................................7.2 VDC External Power Jack.........................................7.2 to 13.8 VDC RECEIVER: Intermediate Frequencies: 1st IF...............................................................45 MHz 2nd IF..............................................................455 kHz SENSITIVITY: 12db SINAD...........................................................0.2 uV 20db NQ.............................................................0.35 uV SQUELCH SENSITIVITY: Threshold............................................................0.1 uV Tight.................................................10 dB Above Threshold Spurious Response Attenuation.........................................60 dB Intermodulation Attenuation...........................................60 dB Adjacent Channel Rejection (25KHz)....................................50 dB Modulation Acceptance Bandwith........................................9 KHz Hum and Noise.........................................................35 dB Audio Output Power (10% THD): 7.2V DC...............................................................0.3 W 9V DC..................................................................0.5W 12V DC..................................................................1 W 13.8V DC................................................................1 W Audio Distortion........................................................2 % Audio Response.................................................-6 dB/Octave CURRENT DRAIN: Stand-By Without Power Save...........................................35 mA Stand-By With Power Save..............................................25 mA CTCSS Sensitivity...................................................0.15 uV DTMF Squelch Sensitivity.............................................0.2 uV TRANSMITTER: RF Power Output: 7.2 VDC...............................................................1.5 W 9 VDC.................................................................2.5 W >12 VDC.................................................................5 W Low Power.............................................................0.5 W Maximum Deviation...................................................4.5 KHz Hum and Noise.........................................................35 dB Audio Distortion.......................................................0.5% Audio Response.................................................+6 dB/Octave Spurious and Harmonic Emissions.......................................70 dB Frequency Error...................................................+/0.0005% Microphone Sensitivity.............................................4 mV rms CTCSS Tone Deviation................................................0.7 KHz DTMF Tone Deviation.................................................3.5 KHz CURRENT DRAIN: 7.2 VDC...............................................................1.2 A 9 VDC.................................................................1.4 A 12 VDC................................................................1.6 A 13.8 VDC..............................................................1.8 A Low Power.............................................................0.8 A (smc-03/03/94)