NX-3720HG/3820HG

SPECIFICATIONS

GENERAL NX-3720 NX-3820
Frequency Range 136-174 MHz 400-470 MHz
Max. Channels per Radio Up to 1000 channels with option
Number of Channels 512
Number of Zones 128
Channel Spacing Analog 12.5/15/25 */30 *kHz 12.5/25 *kHz
Digital 6.25/12.5 kHz
Power Supply 13.6 V DC +-15 %
Current Drain Standby 0.45 A
RX 2.3 A
TX 12 A
Operating Temperature -22°F to +140°F (-30°C to +60°C)
Frequency Stability +- 1.0 ppm (-22°F to +140°F) 
Antenna Impedance 50 Ohms
Dimensions (W x H x D)
Radio with Control Head
* Projections not included
6.30 x 1.69 x 6.30 in (160 x  43 x 160 mm)
Weight (net) *2 2.65 lbs (1.2 kg)
FCC ID Type 1 K44479200 K44479300
Type 2 - K44479301
IC Certification Type 1 282F-479200 -
Type 2 - 282F-479301
RECEIVER NX-3720 NX-3820
Sensitivity NXDN 6.25 kHz Digital, 3 % BER 0.20 μV
NXDN 12.5 kHz Digital, 3 % BER 0.25 μV
DMR 12.5 kHz Digital, 5 % BER 0.30 μV
DMR 12.5 kHz Digital, 1 % BER 0.45 μV
Analog, 12 dB SINAD 0.25 μV
Selectivity Analog @ 12.5 kHz 70 dB
Analog @ 25 kHz 80 dB
Intermodulation 70 dB
Spurious Rejection 80 dB
Audio Distortion 2%
Audio Output 4 W/4 Ohms
TRANSMITTER NX-3720 NX-3820
RF Power Output (H / M / L) 50 W/30 W/5 W 45 W/30 W/5 W
Spurious Emission -73 dB -75 dB
FM Hum & Noise Analog @ 25 kHz 45 dB
Analog @ 12.5 kHz 40 dB
Audio Distortion 2%
Digital Protocol ETSI TS 102 361-1, -2, -3
Emission Designator 16K0F3E *1, 11K0F3E, 8K30F1E, 8K30F1D, 8K30F7W, 7K60FXD, 7K60FXE, 4K00F1E, 4K00F1D, 4K00F7W, 4K00F2D

*1 25 and 30 kHz are not included in the models sold in USA or US territories.
*2 Radio with Control Head Analog measurements made per TIA603. Specifications are measured according to applicable standards.
Specifications shown are typical and subject to change without notice, due to advancements in technology.

APPLICABLE MIL-STD & IP

MIL Standard  Methods / Procedures
810C 810D 810E 810F 810G
Low Pressure 500.1/ I 500.2/ I, II 500.3/ I, II 500.4/ I, II 500.5/ I, II
High Temperature 501.1/ I, II 501.2/ I, II 501.3/ I, II 501.4/ I, II 501.5/ I, II
Low Temperature 502.1/ I 502.2/ I, II 502.3/ I, II 502.4/ I, II 502.5/ I, II
Temp. Shock 503.1/ I 503.2/ I 503.3/ I 503.4/ I, II 503.5/ I
Solar Radiation 505.1/ I 505.2/ I 505.3/ I 505.4/ I 505.5/ I
Rain*1 506.1/ I, II 506.2/ I, II 506.3/ I, II 506.4/ I, III 506.5/ I, III
Humidity 507.1/ I, II 507.2/ II, III 507.3/ II, III 507.4 507.5/ II
Salt Fog 509.1/ I 509.2/ I 509.3/ I 509.4 509.5
Dust 510.1/ I 510.2/ I 510.3/ I 510.4/ I, III 510.5/ I
Vibration 514.2/ VIII, X 514.3/ I 514.4/ I 514.5/ I 514.6/ I
Shock 516.2/ I, II, V 516.3/ I, IV, V 516.4/ I, IV, V 516.5/ I, IV, V 516.6/ I, IV, V
International Protection Standard
Dust & Water*2 IP54 (Radio unit itself)

*1: Blowing Rain conditions: When the front panel is connected to the mobile radio unit, the separate kit for RF deck is connected, and the remote panel.
*2: IP54 is applied when the front panel is connected to the mobile radio unit or when the separate kit for RF deck is connected.