User's Manual

FILE: IM400 Service manual.doc 2004.11.23
E-TECH Co., Ltd 3/19
3. Technical Specifications
3-1 General
1) Frequency range : 420~500 MHz
2) Channels : 255 Channels
3) Channel spacing : 12.5 kHz/25 kHz
4) Communication method : Simplex
5) Antenna Impedance : 50 ohm
6) Power supply voltage : DC 13.6V
7) Current Drain : When Transmitting(50W) - < 13A
When Receiving(5W) - < 1A
Transmit standby - < 100mA
8) Microphone : External Condenser Mic
9) Operating temperature range: -30 +℃∼ 60℃
10) Size : 178(W)x49(H)x195(D)
11) Weight : 1600g
3-2 Transmitter
1) Power Output : HIGH – 50W, LOW - 5W
2) Modulation : 8K50F3E/16K0F3E
3) Oscillator method : PLL
4) Frequency Stability : less than ±0.00025% (±2.5PPM)
5) Maximum frequency deviation: ±2.5 kHz(Narrow)/ ±5 kHz(Wide)
6) Audio Distortion : less than 5% (1 kHz 60%)
7) SPURIOUS Emission : -70 [dBc]
8) FM Hum & Noise : -40 / -45 [dB] (HP8920A 300Hz 3kHz BP∼ F)
9) BAND SPREAD : 70 [MHz]