Speeder SP-T1 (เครื่องวิทยุสมัครเล่น) » SPECIFICATION General Frequency Range 144.0000- 146.0000 MHz. Channel No. 199 Free Memory Channel Frequency General Synthesizer (PLL) Mode Type FM (F3E) Channel Spacing 25 KHz. / 12.5 KHz. Working Temparature -20 ˚C to -55 ˚ C Working Voltage 7.4 V DC. Low Voltage Indicator The Battery is lower than 6V. Frequency Stability: +/- 5ppm Case Black Dimension 106 x 57 x 34 mm. (H x W x D) Weight 210 g. Transmitter Output Power Hi : 5W. Lo : 1 W. Transmitting Frequency Error : +/- 5 ppm Transmitting Current Hi < 1.5 A/ Lo < 0.8 A Max. Frequency Deviation: 12.5KHz. / 25.0 KHz. Modulation Sensitivity ± 5.0 KHz. MIC input 1 HK. Transmitting Distortion <5% Tone Frequency Deviation 300 – 500 Hz. Spurious Radiation 73 dB. Adjacent Channel power 73 dB. Harmonious Wave: 70 dB. Receiver Sensitivity <0.25 µV at 12 dB/ SINAD Squelch Sensitivity : 0.158 µV. Selectivity 68 dB. Spurious Response Rejection: 65 dB. Intermodulation Modulation 73 dB. Adjacent Channel Selectivity 73 dB. Audio Frequency Response: +1 dB to – 3dB. of + 6dB. Octave with 300 ~ 3000 Hz. at 1000Hz. for reference DE/EMP. Frequency Stability ± 5ppm. Audio Output : ≥ 500 mW. Distortion <5% at 8 Ohm Speaker palakorn 2013-02-10T14:00:42+00:00