User's Manual Part 2

60
Maintenance / Reference
General
DR-620T, DR-620E
Frequency coverage
DR-620T 87.500 - 107.995MHz (WFM)
108.000 - 135.995MHz (AM RX)
136.000 - 173.995MHz (RX)
144.000 - 147.995MHz(TX)
335.000 - 479.995MHz (RX)
430.000 - 449.995MHz (TX)
DR-620E 87.500 - 107.995MHz (WFM)
144.000 - 145.995MHz (RX, TX)
430.000 - 439.995MHz (RX, TX)
Operating mode 16K0F3E (Wide mode), 8K50F3E (Narrow mode)
Frequency resolution 5, 8.33, 10, 12.5, 15, 20, 25, 30, 50, 100kHz
Number of memory channels 200
Antenna impedance 50Ω unbalanced
Power requirement 13.8V DC +/-15% (11.7 to 15.8V)
Ground method Negative ground
Current drain Receive: 0.6A(Max.), 0.4A(Squelched)
Transmit: 11.0A
Operating temperature - 10 °C to 60 °C
Frequency stability +/- 2.5ppm
Dimensions 140(w) - 40(h) - 185(d) mm (w/o knobs)
Weight Approx. 1.0kg
Transmitter
Output power High:50W(VHF), 35W(UHF)Mid:10WLow:5W
Modulation system Variable reactance frequency modulation
Maximum frequency deviation +/- 5kHz (Wide mode) +/-2.5kHz (Narrow mode)
Spurious emission -60dB
Adjacent channel power -60dB
Modulation Distortion Lass than 3%
Microphone impedance 2kΩ
Receiver
Sensitivity -14dBu for 12dB SINAD
Receiver circuitry Double conversion superheterodyne
Intermediate frequency 1st 21.7MHz 2nd 450kHz (VHF)
1st 45.1MHz 2nd 455kHz (UHF)
Squelch sensitivity -18dBu
Selectivity(-6dB/-60dB) 12kHz/24kHz
Spurious and image 70dB
rejection ratio
Audio output power 2.0W (8Ω,10%THD)
Specification
*All specifications are subject to change without notice or obligation.