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General Specifications - Audiovox FRS 3000-PK Service Manual

2-way radio, base station
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2. SPECIFICATION

2.1 GENERAL SPECIFICATIONS

a) Frequency range : 462.5625 ~ 467.7125 MHz
b) Output Impedance : 50Ω Unbalanced
c) Modulation Type : 9K0F3E
d) Communication Mode : Half duplex
e) Channel Capacity : 14 channel
f) Channel Spacing : 12.5 Khz
g) Power : 9.0V Adaptor
h) Operating Temperature : -20°C ~ +60°C
i) Dimension : 128(H) x 155(W) x 50(D)
j) Weight : 140g
2.2 ELECTRICAL SPECIFICATION
a) TRANSMITTER
1) Output power : Max . 500mW
2) Frequency Stability : ± 2.5 ppm(-20°C ~ +60°C)
3) Modulation Method : FM
4) Oscillation Method : PLL SYNTHESIZER
5) Max. Frequency Deviation : < ± 2.5 kHz (with tone)
6) Cooling Method : air-cooling Method
7) Spurious Emission : < -60dB
8) FM Hum/Noise : > -40dB(1kHz 60% modulation, w/CCITT)
9) Distortion : < 5% (1kHz 60% modulation)
10) Tx Audio Response : 6dB / OCT ± 3dB Pre-Emphasis(300Hz ~ 3kHz)
b) RECEIVER
1) Receiver Method : Double Super Heterodyne
2) Receiver Sensitivity : < 0.28uV(12dB SINAD) : > -118dBm
3) Squelch Sensitivity : -120dBm ~ -130dBm(AUDIO On/Off Point)
4) Bandwidth : > 8kHz (6dB ATT point)
5) Selectivity : < - 60 dB (12.5kHz)
6) Local Frequency Stability : ± 2.5ppm(-20°C ~ +60°C)
7) Spurious Response : > 45 dB
8) Audio output : 200mW (Internal 8Ω load THD 10%)
9) Distortion : < 5% (1kHz 60% Modulation)
10) RxAudio Response : 6dB/OCT +1/-10dB De-Emphasis(300Hz~2.5kHz)
11) S/N Radio : < 40 dB(1kHz 60% Modulation)
12) IF : 1'st IF --- 21.7MHz
2'nd IF --- 450kHz
13) Local Frequency : 1'st Local Frequency --- fc – 21.7MHz
2'nd Local Frequency --- 21.250MHz

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