EP400 Ver. 1.0
E-TECH Co., Ltd 3/16
3. Technical Specifications
3-1 General
1) Frequency range : 403 ~ 520 MHz
2) Channels : 255 Channels
3) Channel spacing : 12.5 kHz/25 kHz
4) Communication method : Simplex
5) Antenna Impedance : 50 ohm
6) Antenna : Helical Antenna
7) Power supply voltage : LI-1700mAh Li-Ion battery pack(Voltage: 7.4V DC)
8) Current Drain : When Transmitting(5W) - < 2A
When Receiving(0.5W) - < 300mA
Transmit standby - < 60mA
Receiver standby(PSC MODE) - < 50mA
9) Microphone : Internal Condenser Microphone(External Speaker Micro
phone is available)
10) Operating temperature range: -30 +℃∼ 60℃
11) Size : 55(W)x114(H)x30(D)
12) Weight : 300g
3-2 Transmitter
1) Power Output : HIGH – 4W, LOW - 1W
2) Modulation : 8K5OF3E/16KOF3E
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 : -36 [dBm]
8) FM Hum & Noise : -40 [dB] (HP8920A 300Hz 3kHz BP∼ F)
9) BAND SPREAD : 117 [MHz]
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