User's Manual

1. Specification
GENERAL
Operating Mode
Frequency Range
Frequency Stability
Programmable Channels
Channel Spacing
Dimensions
Weight
Power Source
Current Drain(maximum)
Conventional (nontrunked) only
450~470MHz
±2.5PPM(-30 to +60?)
1 Channel
Dual Channel Spacing 12.5/25kHz
30mm(H)×60mm(W)×95mm(L)
360g
DC 9~15V
Transmit mode - 1.8A
RECEIVER
Sensitivity
Squelch Sensitiviy
Selectivity
Spurious and Harmonic
Rejection
Intermodulation
FM Hum and Noise
Maximum Frequency Spread
Audi o Output Power
Audio Distortion
Audio Response
IF Frequencies
Input Impedance
.35uV 12 dB SINAD
.25uV 10dB SINAD
-60dB (12.5KHz)
-60dB (25KHz)
-60dB
-60dB
-34dB(12.5KHz), -40dB(25KHz)
UHF = 20MHz
460mW across an 8-ohm load
Less than 5% at rated output
±2dB from characteristic from 20~3000Hz
21.4MHz and 455kHz
50 ohms
TRANSMITTER
RF Power Output
Spurious and Harmonic
FM Hum and Noise
Audio Distortion
Audio Frequency Response
Maximum Channel Spread
Output Impedance
2 Watt or 5 Watt
-60
-34dB(12.5KHz), -40dB(25KHz)
5% maximum with 1kHz modulation
±2dB from characteristic from 20~3000Hz
UHF = 20MHz
50 ohms
CH. 3 SD-5200 circuit
1. SD-5200 circuit
SD-5200 circuit is composed of RF and MPU. (RF determines communication quality and performance. MPU controls
terminal performance.) RF is composed of TX and RX. TX is composed of synthesizer (Synthesizer generates TX
frequency.), VCO, Data ALC (Automatic Level Control), Power Drive, final amplification and antenna switch.