GENERAL FEATURES • 2-pin audio connector with 6 contacts to connect with a variety of options, and single mic Active Noise Reduction (ANR) capability • Audio Output Power: 1 Watt • Intrinsically Safe Option • Paging Call • Emergency Call • Status/Text Message • Remote Stun/Kill/Check DIGITAL - NXDN MODE • NXDN Type-C & Gen2 Trunked • NXDN Conventional • 6.25 & 12.5 kHz Channels • All Group Call • Over-the-Air Alias (OAA) • Over-the-Air Programming (OTAP) DIGITAL - DMR MODE • S-Trunking • DMR Tier III Trunking • DMR Tier II Conventional • DMR Auto Slot Select • Site Roaming • 12.5 kHz Two-slot TDMA channels • Call Interruption • Dual-slot Direct Mode • Enhanced Encryption • Energy Efficient ANALOG - FM MODE • Conventional & LTR Trunking • FleetSync/II: PTT ID ANI / Caller ID Display, Selective Group Call, Emergency Status / Text Messages • MDC-1200: PTT ID ANI / Caller ID Display, Selective Call, Emergency, Radio Check / Inhibit • QT / DQT, DTMF, 5-tone • Built-in Voice Inversion Scrambler

• Multi-protocol digital radio: Designed to operate under an NXDN or DMR digital, and FM analog protocols • Mixed Digital & FM Analog Operation allows gradual migration at your own pace • 4-Line Basic Frame (2 lines of 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 • 4-way Directional-pad (D-pad) for intuitive control and operation • Built-in GPS Receiver/Antenna for effective fleet management • Built-in Bluetooth for hands-free operation – Applicable Bluetooth profiles: HSP (Headset Profile provided) and SPP (Serial Port Profile available as an option) • Renowned KENWOOD Audio Quality with Active Noise Reduction (ANR) that utilizes built-in DSP • Software DES and AES Encryptions for Digital protocols • Built-in Motion Sensor (Mandown, Stationary and Motion Detection) • MIL-STD-810 C/D/E/F/G

GENERAL Frequency Range

• 136-174 MHz 400-520 MHz

Max. Channels Per Radio

• Up to 1000 CH with option

Number of Channels

• 260 (64 for no LCD models)

Number of Zones

• 128 (4 for no LCD models)

Channel Spacing

• Analog 12.5/15/25*/30* kHz 12.5/25* kHz
• Digital 6.25kHz/12.5 kHz 6.25kHz/12.5kHz

Power Supply

• 7.5V DC ± 20%

Battery Life

• (FDMA/TDMA) 5-5-90
• KNB-55L (1,480 mAh) Approx. 8 hours Approx. 9.5 hours
• KNB-56N (1,400 mAh Approx. 8 hours Approx. 9 hours
• KNB-57L (2,000 mAh) Approx. 11 hours Approx. 13.5 hours

Operating Temperature

• -22ºF to +140ºF (-30ºC to +60ºC)

Frequency Stability

• ±2.0 ppm ±1.0 ppm

Dimensions (W x H x D) Projections Not Included

• Radio Full Keypad Model 2.20 x 4.71 x 1.43 in (56 x 119.6 x 36.4 mm)
• KNB-55L (1,480 mAh) 2.20 x 4.71 x 1.43 in (56 x 119.6 x 36.4 mm)
• KNB-56N (1,400 mAh) 2.20 x 4.71 x 1.68 in (56 x 119.6 x 42.7 mm)
• KNB-57L (2,000 mAh) 2.20 x 4.71 x 1.53 in (56 x 119.6 x 39 mm)

Weight Radio Full Keypad Model 7.8 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)

FCC ID

• K44479000 K44479100

IC Certification

• 282F-479000 282F-479100