Instruction Manual

26
GENERAL tRANSMIttER
RECEIVER
Specifications
Frequency Range
(DR-MD520T)
RX: 136MHz~174MHz, 220MHz~225MHz,
400MHz~480MHz
TX: 144MHz~148MHz, 222MHz~225MHz,
420MHz~450MHz
FM: 88MHz~108MHz
Frequency Range
(DR-MD520E)
RX : 136Mhz~174MHz, 400Mhz~480MHz
TX : 144MHz~146Mhz, 430MHz~440MHz
AM : 108MHz~137MHz
FM : 76MHz~108MHz
Number of Channels 4000 channels
Channel Spacing
Analog: 12.5/25KHz
Digital: 12.5KHz
Zones per Radio 250 zone (MAX 250ch/zone)
Operating Voltage 13.8V DC ±15%
Operating Temperature
Range
-20~+60
℃
Frequency Stability ±2.0ppm
Antenna Impedance 50Ω
Dimensions
(WxHxD Approx)
141x40x188 mm
(5.55x1.57x7.40 inches)
Weight (Approx) 1.04kg /36.68 ounces
Recording time 4 Hours
RF Power Output
VHF: 55W/25W/10W/1W
222~225MHz:5W(High)/1.5W(middle low small)
UHF: 40W/25W/10W/1W
Channel Spacing
Less than 1GHz: -36dBm
More than 1GHz: -30dBm
FM Hum & Noise
(Analog)
25kHz: 40dB
12.5kHz: 36dB
Modulation 16K0F3E/11K0F3E/7K60FXD/7K60FXE
Sensitivity
(Analog/12dB SINAD)
25kHz: 0.25uV
12.5kHz: 0.35uV
Sensitivity
(Digital/BER)
5%: 0.3uV
1%: 0.7uV
FM Hum & Noise
(Analog)
25kHz:45dB
12.5kHz:40dB
Audio Distortion ≤5%
Audio Output 2W / 8Ω
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