NX-420
79
SPECIFICATIONS
GENERAL
Models ........................................................K : Basic Model
K3 : Full Key w/LCD Model
Frequency Range .......................................TX : 806~825MHz, 851~870MHz RX : 851~870MHz
Number of Channels ...................................K3 : 260 K : 64
Zones ..........................................................K3 : 128 K : 4
Max. Channels per Zone ............................K3 : 250 K : 16
Channel Spacing ........................................Analog : 12.5/25kHz Digital : 6.25/12.5kHz
Operating Voltage .......................................7.5V DC ±20%
Battery Life (5-5-
9
0)
with
KNB-55L
..........................................Approx. 8.5 hours
with KNB-56N .........................................Approx. 8.5 hours
with
KNB-57L
..........................................Approx. 11.5 hours
Operating Temperature Range ...................–22°F to +140°F (–30°C to +60°C)
Frequency Stability .....................................±1.0ppm
Antenna Impedance ...................................50
Dimensions (W x H x D) (Projections not included)
K
Radio only ...........................................2.20 x 4.35 x 1.48 in (56 x 110.5 x 37.5 mm)
with KNB-55L ......................................2.20 x 4.35 x 1.50 in (56 x 110.5 x 38.1 mm)
with KNB-56N .....................................2.20 x 4.35 x 1.72 in (56 x 110.5 x 43.8 mm)
with KNB-57L ......................................2.20 x 4.35 x 1.58 in (56 x 110.5 x 40.1 mm)
K3
Radio only ...........................................2.20 x 4.35 x 1.45 in (56 x 110.5 x 36.
9
mm)
with KNB-55L ......................................2.20 x 4.35 x 1.48 in (56 x 110.5 x 37.5 mm)
with KNB-56N .....................................2.20 x 4.35 x 1.70 in (56 x 110.5 x 43.2 mm)
with KNB-57L ......................................2.20 x 4.35 x 1.56 in (56 x 110.5 x 3
9
.5 mm)
Weight (net)
Radio
only
...............................................K : 7.2 oz (205g) K3 : 7.4 oz (210g)
with
KNB-55L
..........................................K : 10.6 oz (300g) K3 : 10.8 oz (305g)
with KNB-56N .........................................K : 14.1 oz (400g) K3 : 14.3 oz (405g)
with
KNB-57L
..........................................K : 11.5 oz (325g) K3 : 11.6 oz (330g)
RECEIVER
Sensitivity ...................................................Digital @6.25kHz (3% BER) : 0.20µV
Digital @12.5kHz (3% BER) : 0.25µV
Analog (12dB SINAD) : 0.25µV
Selectivity ...................................................Analog @25kHz : 72dB Analog @12.5kHz : 65dB
Intermodulation Distortion ..........................Analog : 70dB
Spurious Response ....................................Analog : 70dB
Audio Distortion ..........................................Less than 3%
Audio Output ...............................................500mW/8
TRANSMITTER
RF Power Output ........................................3W/1W
Spurious Response ....................................70dB
FM Hum and Noise .....................................Analog @25kHz : 45dB Analog @12.5kHz : 40dB
Audio Distortion ..........................................Less than 3%
Modulation ..................................................16K0F3E, 11K0F3E, 8K30F1E, 8K30F1D, 8K30F7W,
4K00F1E, 4K00F1D, 4K00F7W, 4K00F2D
Analog measurements made per TIA/EIA 603 and specifi cations shown are typical.
Kenwood reserves the right to change specifi cations without prior notice or obligation.
Summary of Contents for NX-420 K
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