Multi-protocol digital radio: Designed to operate under NXDN® or DMR digital,
and FM analog protocols
NXDN® Conventional and Type-C & Gen2 Trunking
DMR Tier 2 Conventional & Site Roaming
DMR Auto Slot Select
DMR Tier 3 Trunking
Mixed Digital & FM Analog Operation allows gradual migration at your own pace
4-Line Basic Frame (2-Line Main/Sub-LCD, icon & key guide) / 14 Characters
5-Line Text Message Frame (3 Lines of Text, icon & key guide)
7-color Light Bar Indicator on the top panel. Individual color can be set for each channel
4-way Directional-pad (D-pad) for intuitive control and operation
Built-In GPS Receiver/Antenna for effective fleet and incident management
Built-in Bluetooth® for hands-free operation for IoT applications- Applicable Bluetooth
profiles: HSP (Headset Profile) and SPP (Serial Port Profile)
Renowned KENWOOD Audio Quality achieved with Active Noise Reduction
(ANR) that utilizes built-in DSP
Optional DES and AES Encryption
Built-in Motion Sensor (Man-down, Stationary and Motion Detection)
IP54/55/67 and MIL-STD-810 C/D/E/F/G
1 Watt Audio Output Power
UHF: 120 MHz capability
Available models: Full Keypad (w/ LCD and full keypad), Standard Keypad
(w/ LCD and 4-way large D-pad/4 key), and Basic (w/o LCD and keypad)
260 CH/128 Zones (64 CH/4 Zones for Basic model)
Maximum of 1,000 CH/Radio with option
Intrinsically Safe Option
Paging Call
Emergency Call
Status/Text Message
Remote Stun/Kill/Check

SPECIFICATIONS

GENERALNX-3220NX-3320NX-3420
Frequency Range136-174 MHz
400-520 MHz
TX/RX: 851-870, 935-941 MHz
TX:806-825, 896-902 MHz
Max. Channels Per RadioUp to 1000 CH with option
Number of Channels260 (64 for no LCD models)
Number of Zones128 (4 for no LCD models)
Channel SpacingAnalog12.5/15/25*/30* kHz12.5/25* kHz12.5/25* kHz
Digital6.25 kHz/12.5 kHz6.25 kHz/12.5 kHz6.25 kHz/12.5 kHz
Power Supply7.5 V DC +-20 %
Battery Life 5-5-90(FDMA conventional / Trunking. TDMA Conventional / Trunking)KNB-55L (1,480 mAh)8.5 / 6.5 hours, 12.5 / 9 hours9 / 7 hours, 12 / 9 hours
KNB-56N (1,400 mAh7.5 / 6 hours, 11 / 8 hours8 / 6 hours, 10.5 / 8 hours
KNB-57L (2,000 mAh)12 / 9.5 hours, 17.5 / 13 hours13 / 10 hours, 17 / 13 hours
KNB-78L (2,860 mAh)17.5 / 13.5 hours, 25 / 18.5 hours18.5 / 14 hours, 24 / 18.5 hours
KNB-79LCM (2,860 mAh)15 / 11.5 hours, 21.5 / 16 hours15.5 / 12 hours, 20.5 / 16 hours
Operating Temperature-22ºF to +140ºF (-30ºC to +60ºC)
Frequency Stability±0.5 ppm (-30°C to +60°C; +25°C Ref.)
Dimensions (W x H x D) Projections Not IncludedRadio only2.20 x 4.71 x 1.43 in (56 x 119.6 x 36.4 mm)
With KNB-55L2.20 x 4.71 x 1.43 in (56 x 119.6 x 36.4 mm)
With KNB-56N2.20 x 4.71 x 1.68 in (56 x 119.6 x 42.7 mm)
With KNB-57L2.20 x 4.71 x 1.53 in (56 x 119.6 x 39 mm)
KNB-78L, KNB-79LCM2.20 x 4.71 x 1.77 in (56 x 119.6 x 44.9 mm)
WeightRadio only7.8 oz (220 g)
KNB-55L (1,480 mAh)11.1 oz (315 g)
KNB-56N (1,400 mAh)14.5 oz (410 g)
KNB-57L (2,000 mAh)12.0 oz (340 g)
KNB-78L, KNB-79LCM
13.6 oz (385 g) / 13.9 oz (395 g)
FCC IDK44479000K44479100K44502500
IC Certification282F-479000282F-479100282F-502500

*25 and 30 kHz in VHF/UHF Bands (except T-Band) are not included in the models sold in the USA or US territories.
**800MHz band only
Analog measurements made per TIA603. Specifications are measured according to applicable standards.
Battery Life is measured by Battery Save ON, GPS/Bluetooth OFF, 4 W for VHF/UHF and 3 W for 800/900MHz Bands
Specifications are subject change without notice, due to advancements in technology.

RECEIVERNX-3220NX-3320NX-3420
SensitivityNXDN® 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 (12dB SINAD)0.25 µV
SelectivityAnalog @ 12.5 kHz65 dB60 dB
Analog @ 25 kHz72 dB70 dB
Intermodulation70 dB
Spurious Rejection70 dB
Audio Distortion3%
Audio Output Power500 mW/8Ω (3% Distortion) / 1,000 mW/8Ω (5% Distortion)
TRANSMITTERNX-3220NX-3320NX-3420
RF Power Output
(High / Mid / Low)		5 W/4 W/1 W3 W / 1 W
Spurious Emission-70 dB
FM Hum & NoiseAnalog @ 12.5kHz40 dB
Analog @ 25kHz45 dB
Audio DistortionLess than 3%
Digital ProtocolETSI TS 102 361-1, -2, -3, -4
Emission Designator16K0F3E*, 14K0F3E**, 11K0F3E, 8K30F1E, 8K30F1D, 8K30F7W,
7K60FXD, 7K60FXE, 4K00F1E, 4K00F1D, 4K00F7W, 4K00F2D

The Bluetooth word mark and logos are registered trademarks owned by the Bluetooth SIG, Inc.
NXDN® is a registered trademark of JVCKENWOOD Corporation and Icom Inc.
NEXEDGE® & FleetSync® are a registered trademarks of JVCKENWOOD Corporation.
All other trademarks are the property of their respective holders.

APPLICABLE MIL-STD & IP

MIL StandardMethods / Procedures
MIL 810CMIL 810DMIL 810EMIL 810FMIL 810G
Low Pressure500.1/Procedure I500.2/Procedure I, II500.3/Procedure I, II500.4/Procedure I, II500.5/Procedure I, II
High Temperature501.1/Procedure I, II501.2/Procedure I, II501.3/Procedure I, II501.4/Procedure I, II501.5/Procedure I, II
Low Temperature502.1/Procedure I502.2/Procedure I, II502.3/Procedure I, II502.4/Procedure I, II502.5/Procedure I, II
Temperature Shock503.1/Procedure I503.2/Procedure I503.3/Procedure I503.4/Procedure I, II503.5/Procedure I
Solar Radiation505.1/Procedure I505.2/Procedure I505.3/Procedure I505.4/Procedure I505.5/Procedure I
Rain506.1/Procedure I, II506.2/Procedure I, II506.3/Procedure I, II506.4/Procedure I, III506.5/Procedure I, III
Humidity507.1/Procedure I, II507.2/Procedure II, III507.3/Procedure II, III507.4507.5/Prcedure II
Salt Fog509.1/Procedure I509.2/Procedure I509.3/Procedure I509.4509.5
Dust510.1/Procedure I510.2/Procedure I510.3/Procedure I510.4/Procedure I, III
510.5/Procedure I
Vibration514.2/Procedure VIII, X514.3/Procedure I514.4/Procedure I514.5/Procedure I
514.6/Procedure I
Shock516.2/Procedure I, II, V516.3/Procedure I, IV516.4/Procedure I, IV516.5/Procedure I, IV516.6/Procedure I, IV
International Protection Standard
Dust & Water Protection*
IP54/55/67