User's Manual

25
9.2 XR-450
General
Frequency Range
Frequency Stability
Programmable Channels
Channel Spacing
Dimensions
Weight
Power Source
Current Drain (maximum)
Duty Cycle(5/5/90)
XR-450 : 400 ~ 512 MHz
±2.5PPM (-30 to +60℃)
512 Channels/16 Group
Dual Channel Spacing 12.5/25 KHz
103mm (H)×52mm (W)×32mm (D)
250g (with Battery pack & Antenna)
DC +7.5V rechargeable Li-ion 2200㎃H battery pack
Receive mode, rated audio out - 320㎃ (Audio Max)
Transmit mode – 1600mA(High), 1,000mA(Low)
Standby mode - 60mA
15 Hours(High) / 20 Hours(Low)
Receiver
Sensitivity
Squelch Sensitivity
Selectivity
Spurious and Harmonic Rejection
Inter-modulation
FM Hum and Noise
Audio Output Power
Audio Distortion
Audio Response
Speaker Impedance
IF Frequencies
Input Impedance
0.25uV 12 dB SINAD
0.22uV 10dB SINAD
65dB (12.5KHz), 70dB (25KHz)
70dB
65dB (12.5KHz), 70dB (25KHz)
40dB (12.5KHz), 45dB (25KHz)
1 Watt across an 16-ohm load
Less than 4% at rated output
+1, -3 dB from 6dB per octave de-emphasis Characteristic
from 300 ~ 3000Hz
16 ohms
45.3MHz and 455KHz
50 ohms
Transmitter
RF Power Output
Spurious and Harmonic
FM Hum and Noise
Audio Distortion
Audio Frequency Response
Output Impedance
4Watt/2Watt
65dB
40dB (12.5KHz), 45dB (25KHz)
3% maximum with 1KHz modulation
+1, -3dB from 6dB per octave pre-emphasis Characteristic
from 300 ~ 3000Hz
50 ohms