• Kenwood NX-740HK/840HK2 NEXEDGE VHF/UHF Digital and FM Mobile Radios

Kenwood NX-740HK/840HK2 NEXEDGE VHF/UHF Digital and FM Mobile Radios

NEXEDGE is KENWOOD’s innovative digital radio system, designed to meet the highest demands of today’s radio system environment and to provide users with a multitude of NEXEDGE-abilities to transform their demanding daily operations. Designed on a new NEXEDGE platform featuring proven NXDN™ technology with an affordability for every budget. These new NEXEDGE mobiles come standard with a host of features sure to exceed the needs of many demanding applications and is the ideal analog to digital migration choice utilizing true 6.25 kHz technology providing the important elements of design, features, reliability and overall value.

• 50W VHF (136-174 MHz)
• 45W UHF (450-520 MHz)
• Max. 16 CH per Zone / 2 Conventional Zones
• FleetSync®, MDC-1200, DTMF
• Voice Channel # Announcement
• Emergency Call Features
• NXDN Scrambler (digital)
• Voice Inversion Scrambler (analog)
• 6.25 kHz CH (Digital) / 12.5 kHz CH (analog)
• 4W Speaker Audio
• 2-Digit LED CH Display
• 8 Programmable I/O Ports
• 9 Programmable Function Keys (PF Keys)
• MIL-STD 810 C/D/E/F
• IP-54 Water/Dust Intrusion
• Premium 3 Year Warranty

  • Key Features

    – Two-Slot TDMA (DMR Tier II)
    – Two-in-one – Digital and Analog
    – Dual-Slot Direct Mode – Up to two direct-mode subscriber calls can be made simulatneously withing the same 12.5kHz channel
    – Call Interruption – Pre-empt active calls for emergency or other situations in direct or repeater mode
    – MIL-STD C/D/E/F/G standards for ruggedness
    – IP54 rated for dust and water protection
    – 2-Digit LED Channel Display with Brightness Control
    – Programmable Blue LED can be customized to show different status conditions
    – Clear, Powerful, Renowned Kenwood Audio

  • Key Features

    DMR Digital Air Interface
     ・Tier II Conventional
     ・Conventional IP Network
    Mixed Mode Operation – Digital / Analog FM
    RF Power Output
     ・VHF: 50 to 5 Watts
     ・UHF: 40 to 5 Watts
    RF Power Down Detection
    AIS IP Console Interface
    Call Interrupt

  • Other Features

    30 Channels
    12.5 kHz Bandwidth
    Two-Slot TDMA Operation
    Two-Digit Numeric Display
    LED Status Indicators
    6-Programmable Function Keys
    Programmable AUX I/O’s
    DTMF Remote Control

Performance Characteristics


GENERAL TK-D740HV TK-D840HU
Frequency Range Type 1 136-174 MHz 450-520 MHz
Type 2 400-470 MHz
Max. Channels Per Radio 32
Number of Zones 2
Max. Channels Per Zone 16
Channel Spacing Analog 25/20*/12.5 kHz 25/20*/12.5 kHz
Digital 12.5 kHz 6.25/12.5 kHz
Power Supply 13.6 V DC ± 15%
Battery Life KNB-L1 (2,000mAh) 10 hours / 6.5 hours
(5-5-90/10-10-80 KNB-L2 (2,600mAh) 12.5 hours / 8.5 hours
duty cycle) KNB-L3 (3,400mAh) 17 hours / 11 hours
Operating Temperature -22°F to +140°F (-30°C to +60°C)
Frequency Stability ±2.0 ppm ±1.0 ppm
Dimensions (W x Hx D) Projections Not Included 6.29 x 1.69 x 4.82 in. (160 x 43 x 122.6 mm)
Weight (net) 2.42 lb (1.10 kg)
RECEIVER TK-D740HV TK-D840HU
Sensitivity Digital (1% BER) 0.45 μV
Digital (5% BER) 0.3 μV
Analog (12dB SINAD) 0.25 μV
Selectivity Analog @25/12.5 kHz 75 dB/65 dB
Intermodulation Analog 73 dB
Spurious Response Analog 75 dB
Audio Distortion Less than 5% distortion
Audio Output Power 4 W/4 Ω
TRANSMITTER TK-D740HV TK-D840HU
RF Power Output Power 50-5 W 45-5 W
Spurious Response 73 dB 75 dB
FM Hum & Noise Analog 25/12.5 kHz 45 dB/40 dB
Audio Distortion Less than 5%
Emission Designator 16K0F3E, 11K0F3E, 7K60FXE, 7K60FXD

*20 kHz is not included in the models sold in the USA or US territories. Analog measurements made per TIA 603 and specifications shown are typical. Digital measurements made per TIA 102CAAA and specifications shown are typical.

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* 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 516.4/ I, IV 516.5/ I, IV 516.6/ I, IV

International Protection Standard

Dust & Water IP54

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