Additional information on your Kenwood Audio. This manual has not been listed as either a service or user manual for your XD-251 but may be of interest.
Specifications
OPTIONS TK 280 TK 380 TK 280 TK 380
GENERAL RECEIVER Measurements made per EIA RS 316B
Frequency range Sensitivity 12 dB SINAD 0 25 V
Type 1 146 174 MHz 450 490 MHz Selectivity
Type 2 136 162 MHz 470 512 MHz Wide 70 dB 70 dB
Type 3 400 430 MHz Narrow 65 dB 62 dB
System Trunked mode Max 32 Intermodulation distortion
Group Trunked mode Max 250 Wide 70 dB 70 dB
Channels Narrow 65 dB 62 dB
KNB 17A
Ni Cd Rechargeable Battery
7 2 V 1500 mAh
KNB 17B
Ni Cd Rechargeable Battery
Intrinsically Safe 7 2 V 1500 mAh
KNB 21N
Ni MH Rechargeable Battery
7 2 V 1600 mAh
KNB 22N
Ni MH Rechargeable Battery
7 2 V 2100 mAh
Trunked Conventional
Channel spacing
Wide
Narrow
25 30 kHz
12 5 15 kHz
Max 600 Max 250
25 kHz
12 5 kHz
Spurious response
Audio output
70 dB
500 mW with less than 5 distortion
TRANSMITTER Measurements made per EIA RS 316B
RF power output
TK 280 380
VHF UHF FM Portable Radios
Version 2 0
PLL step 1 25 2 5 5 6 25 7 5 kHz 5 6 25 kHz HI 5W 4W
Battery voltage 7 5 V DC 20 LO 1W 1W
Battery life 5 5 90 duty cycle Spurious response 70 dB
KNB 17A 1500 mAh More than 10 hours Modulation
KNB 21N 1600 mAh More than 10 5 hours Wide 16K F3E
KNB 22N 2100 mAh More than 13 hours Narrow 11K F3E
Operating temperature range 22 F 140 F 30 C 60 C FM noise
Frequency stability 0 00025 22 F 140 F Wide 45 dB
KBP 4 KSC 19 KSC 24 KMB 16 KVC 3 Antenna impedance 50 Narrow 40 dB
Regular Rate Vehicular Charger Channel frequency spread Audio distortion
AA Refillable Battery Pack Regular Rate Ni Cd Charger Rapid Rate Dual chemistry Multi Charger Adapter
holds 12 AA size alkaline cells for KNB 17A 17B Ni Cd Ni MH Charger holds six chargers 5 Adapter for KSC 19 Type 1 28 MHz 40 MHz Wide Less than 3
Type 2 26 MHz 42 MHz Narrow Less than 5
Type 3 30 MHz Kenwood reserves the right to change specifications and features without prior notice
Dimensions W x H x D 2 5 16 x 5 5 16 x 1 5 16 in 58 x 135 x 34 mm GE STAR is a registered trademark of Ericsson Inc
projections not included with KNB 21N battery MDC 1200 is a registered trademark of Motorola Inc
Weight net 17 3 oz 490 g with KNB 21N battery LTR is a registered trademark of Transcrypt International
FleetSync is a registered trademark of Kenwood Corporation
antenna and belt hook
FCC ID
Type 1 ALH24613110 ALH24623110 Intrinsically Safe Approvals
Type 2 ALH24613120 ALH24623120 Certified under safety regulation ANSI UL 913 for Class I II and III Division 1
KVC 4 KVC 5 KMC 25 KEP 1 KHS 11BL Type 3 ALH24623130 Groups C D E F and G as well as Non Incendive use in Class I II and III
Rapid Rate Vehicular Charger Heavy duty D C Vehicular Drop in MIL SPEC Speaker Microphone Heavy duty Earphone 2 Wire Palm Mic with Earphone FCC compliance Division 2 Groups C D F and G
Adapter for KSC 24 Charger requires KMC 25 BE beige models Type 1 FCC parts 22 74 80 90 FCC parts 22 74
90 210 80 90 95
Type 2 FCC parts 22 74 90 90 210 FCC parts 90 90 210
Type 3 FCC parts 90 90 210
IC certification
Type 1 282195462A 282195463A
Type 2 282195536A
Type 3 282195524A
KHS 12BL KHS 14 KHS 15 BH KHS 15 OH KBH 10
3 Wire Mini Lapel Mic with Lightweight Single Muff Headset Heavy duty Behind the Head Headset Heavy duty Overhead the Head Spring Action Belt Clip Applicable MIL STD TRUNKED FORMAT TRUNKED
Earphone BE beige models with Noise Canceling Boom Mic Headset with Noise Canceling Boom Mic CONVENTIONAL SYSTEMS
Standard MIL 810C MIL 810D MIL 810E MIL 810F
Methods Procedures Methods Procedures Methods Procedures Methods Procedures
Low Pressure 500 1 Procedure I 500 2 Procedure I II 500 3 Procedure I 500 4 Procedure I II CONVENTIONAL FORMAT CONV WITH
High Temperature 501 1 Procedure I II 501 2 Procedure I II 501 3 Procedure I II 501 4 Procedure I II PRIORITY SCAN
Low Temperature 502 1 Procedure I 502 2 Procedure I II 502 3 Procedure I II 502 4 Procedure I II
Temperature Shock 503 1 Procedure I 503 2 Procedure I 503 3 Procedure I 503 4 Procedure I II
Solar Radiation 505 1 Procedure I 505 2 Procedure I 505 3 Procedure I 505 4 Procedure I
FleetSync DIGITAL MESSAGING
Rain 506 1 Procedure I II 506 2 Procedure I II 506 3 Procedure I II 506 4 Procedure I III SIGNALING
Humidity 507 1 Procedure II 507 2 Procedure II III 507 3 Procedure II III 507 4
KBH 8DS KLH 6SW KLH 75B KLH 76B KWR 1 Salt Fog
Dust
509 1 Procedure I
510 1 Procedure I
509 2 Procedure I
510 2 Procedure I
509 3 Procedure I
510 3 Procedure I
509 4
510 4 Procedure I III
MULTIPLE SCAN FUNCTIONS
Swivel Belt Loop with D ring Stud Swivel Case Adapter Leather Case Leather Case for DTMF Water Resistant Bag
Vibration 514 2 Procedure VIII X 514 3 Procedure I 514 4 Procedure I 514 5 Procedure I
Back Plate keypad model
Shock 516 2 Procedure I II V 516 3 Procedure I IV 516 4 Procedure I IV 516 5 Procedure I IV 12 CHARACTER DOT MATRIX LCD
10 CHARACTER ALPHANUMERIC ALIAS
BACKLIGHTED KEYS LCD
QT DQT CODED SQUELCH
KRA 14 KRA 15 KRA 16 KRA 17
SECURITY FEATURES
JQA QMA1205
VHF Helical Antenna UHF Whip Antenna VHF Stubby Antenna UHF Stubby Antenna
FLASH MEMORY ADVANTAGE
Chargers sold separately
5
All accessories and options may not be available in all markets Contact an authorized Kenwood dealer for details
and complete list of all accessories and options
ADS 111204 0 Printed in USA
T K 2 8 0 3 8 0 2 8 0 3 8 0
VHF UHF FM Portable Radios VHF UHF FM Portable Radios
TK 280 380 Your Direct Line to Top Performance
Kenwood s new TK 280 380 compact portable offers Trunked Format or Conventional
Format configurations along with FleetSync Digital Messaging Signaling sufficient to be
an integral part of any radio system where it counts most in the field What s more
the rugged ergonomic design and world famous Kenwood quality combine to make this
high performance unit perfect for today s demanding applications
VERSATILITY DTMF SIGNALING DIALING FEATURES FleetSync DIGITAL MESSAGING SIGNALING SECURITY
TWO COLOR LED M IL SPEC SPEAKER MIC WITH
PROGRAMMABLE CONTROLS DTMF keypad formats allow manual DTMF encoding for ENHANCED OPTION
TRUNKED FORMAT selective calling system access remote control applica The FleetSync Enhanced option extends the FleetSync ENCRYPTION CONTROL
The two color LED provides tradition
The KMC 25 MIL SPEC speaker Trunked Format provides both programmable LTR trunked
Basic feature set to include custom Short Text Encryption control provides secure voice communica
al transmit warning red receive
microphone option meets the same
tions and access to automatic dialing features such as the
green and alert orange visual indi and conventional system partitions within the radio for auto dial memory for telephone interconnect and or inte Messaging Long Text Messaging mobiles and tions for law enforcement or private security An internal
tough MIL STD 810 C D E specifi
cations This LED is recessed to limit operation on multiple systems of these two types LTR grated radio PABX systems 80 Series PC Serial Interface mobiles capability port permits addition of optional modules to provide
cations as the radio unit The weath
omni directional visibility to everyone trunking systems automatically provide communications voice scrambling from low level inversion to high level
er sealed quick disconnecting plug Short Text Messaging permits fleet radios to receive store
except the radio operator
keeps out moisture dirt and grime on any available channel within a pool of channels on each review and display up to four 48 character text messages requires encryption types The radio s programming also pro
The KMC 25 mic has two unique top system The Kenwood TK 280 380 features all traditional compatible base dispatch software 4 Fleets can be sent detailed vides both automatic and manual control for clear and
PF keys for repetitive operations
HIGH QUALITY AUDIO OUTPUT such as home select and monitor
LTR trunking functions such as System Scan Group
Scan for multiple system multiple talk group calling Fixed
FleetSync ADVANTAGE custom text messages thereby increasing fleet efficiency and
productivity even while unattended
coded modes
control to add an extra element of DIGITAL ANI EMERGENCY OPTIONS
The TK 280 380 is equipped with an convenience and safety users In Priority IDs Transmit Inhibit and a Decode ID Block for FleetSync DIGITAL MESSAGING SIGNALING BASIC Long Text Messaging enables 1024 character text messages to
extra large 1 58 inch speaker ele addition the recessed orange key The FleetSync Basic feature set is included in each
be sent for advanced dispatch calls and job tasking requirements FleetSync offers built in digital PTT ID Emergency and
dispatcher fleet control and monitoring Conventional
ment and delivers a half watt of is ideally positioned as an auxiliary radio providing a cost effective fleet unit identification giving companion 80 Series fleet mobiles extended data messaging Emergency Man down Status messages Optionally an
audio power for robust clarity in noisy system partitions are programmable for multiple channels
emergency ANI key selective calling and messaging system for dispatch capabilities requires a compatible mobile data device and dispatch internal port permits addition of modules offering other
crowds and industrial environments Priority scan permits scanning of all channels and monitor software
operations3 Each radio can have an ID comprised of a industry ANI formats with PTT ID emergency ANI and
ing a priority channel for activity even while receiving a call
Fleet and Unit number which is used for all FleetSync PC Serial Interface enables serial emergency man down operation GE STAR and MDC
on another non priority channel 1
signaling and data messaging 250 fleets 4000 units per communications between an 80 Series 1200 The recessed orange PF key and or an optional
DOT MATRIX LCD DISPLAY PROGRAMMABLE FUNCTION
KEYS PF KEYS
1In Trunked Format priority scanning is only available within one conventional system partition
and cannot check channels on other programmed conventional or trunked system partitions fleet allowing large fleets or multiple fleets to share the
mobile radio and a FleetSync compatible tilt switch can be used to trigger an emergency thus
peripheral device or computer application
The high resolution dot matrix liquid same radio system s notifying a dispatcher or supervisor of personnel in
Each key is programmable for CONVENTIONAL FORMAT for an advanced FleetSync communica
crystal display furnishes the user tions system trouble ANI modules and encryption scrambler
with a simple easy to read interface virtually any radio feature allowing Conventional Format provides traditional conventional PTT ID is a digital ANI Automatic Number Identifier which can be
sent on each PTT using the FleetSync ID An associated alphanumeric 4 Short Text Messaging both portables and mobiles modules cannot be installed in the same radio
and is recessed for protection The the unit to be customized to fit user operation programmable for multiple channels in one requires the base station mobile to be interfaced with a
needs Simple feature sets meet user name can be displayed on an 80 Series base mobile LCD computer running FleetSync compatible dispatch DTMF ANI EMERGENCY
main display line has ten alphanumer contiguous channel group or multiple channel groups to Caller ID enabled a base station decoder unit or dispatch software software
ic characters for system group chan basic needs and reduce training time
Sophisticated feature sets are accommodate different geographical areas user organiza Personnel are clearly identified during mission critical tasks so the DTMF PTT ID provides an ANI for business and indus
nel name aliases and two characters
for operational status indications available for special applications tion special use or provisional needs Priority scanning can dispatcher supervisor can immediately identify who is talking for PERFORMANCE trial applications using DTMF type systems DTMF
A three character sub line can be and supervisory personnel be set for single group or multiple group scan allowing a efficient fleet management and call processing Emergency ANI is also programmable to enhance
programmed for channel or group user to scan a current channel group and or all other Caller ID decodes an incoming PTT ID and uses the pre stored ID
IMPRESSIVE SPECIFICATIONS WORLD CLASS OPERATION personnel safety PTT ID and Emergency are available
number The seven icons provide groups List with alphanumeric name tags to identify the caller in the radio s High stability 2 5PPM oscillators efficient MOS FET power in conventional or trunked operation
easy to remember feature and status LCD This is available for fleet portables and mobiles as well as base model and advanced filtering are just some of the features
indica
tions in
FLASH MEMORY ADVANTAGE LARGE CHANNEL CAPACITY stations that give TK 280 380 both the performance and power to EMBEDDED MESSAGE
The TK 280 380 answers the call for large systems Caller ID Stack stores in volatile memory the three most recently be a key component of any well designed radio system The radio s flash memory can store an electronic
all modes Flash memory permits updates multiple systems and growing fleet sizes with the large message containing owner identification property I D
of opera advanced feature sets and system received PTT IDs for recall and review allowing a user to check for
capacity 32 Systems 250 Group IDs in Trunked Format missed voice calls COMPANDED AUDIO numbers user and department names service records
tion architectural changes to be made
electronically without ever opening or 250 channels in Conventional Format2 The compandor noise reduction feature enhances audio etc A radio can be electronically identified even if
Selective Calling permits a base station and or fleet radios to signal
the unit This means fast changes for 2Trunked Format Total System and Group memory capacity will vary depending on the total individual radios or groups of radios by simply selecting their FleetSync clarity especially on narrow bandwidth systems and is external labels markings or factory serial numbers
number of Systems Groups and repeater channels used per system 32 Systems 250
the system operator and less down Groups 600 channel maximums ID and hitting PTT The receiving radio s are call alerted programmable per channel Voice intelligence compo have been removed
time for users nents are amplified and compressed at the transmit end
MULTIPLE SCAN FUNCTIONS Extended ID List Capacity 100 allows a base station radio to
LIGHT CONTROL Trunked format operation offers system and group scan to
select up to 100 target fleet radios by nametag FleetSync Selective then re expanded on the receive end to reproduce the
Calls and Status Messages Fleet radios can display up to 100 caller original audio signal works on wide narrow bandwidth OTHER FEATURES
Manual and auto shutoff control of permit monitoring of calls on multiple systems and multiple names upon decoding PTT ID s Caller ID enabled Selective Calls channels
the key back lighting and LCD lamp
facilities safe nighttime operation
W EATHER SEALED
UNIVERSAL CONNECTOR talk groups per system Priority scanning is available for
within programmed conventional systems Conventional
Status and Text Messages
INTRINSICALLY SAFE ENVIRONMENTS
BUILT IN QT DQT
DTMF AND 2 TONE CONVENTIONAL MODE ONLY
without excessive battery drain Extended Status Message List 50 provides up to 50 pre HIGH LOW POWER
The universal accessory connector format operation permits single priority scanning within a For reassuring performance in hazardous and volatile TALK AROUND
stored sixteen character alphanumeric messages permitting a base
and battery contacts use spring environments Kenwood offers BUSY CHANNEL LOCKOUT
action gold alloy elements for single channel group or among multiple channel groups to send a larger variety of job task messages Fleet radios can display
TIME OUT TIMER
EXTRA LONG BATTERY LIFE excellent contact conductivity Talk Back scan permits users to respond immediately to and respond accordingly with complimentary acknowledgements
Also special reserved Emergency Emergency Man down
options and accessories meeting
the highest level of intrinsically
LOW BATTERY ALERT
and anti corrosive properties The calls regardless of the pre programmed or selected scan MINIMUM VOLUME
Kenwood offers KNB 17A 10 hour Emergency Mode Off Horn Alert mobiles and Radio ANNUNCIATION TONE CONTROL
universal connector is designed for revert channel safe specifications
Ni Cd batteries and KNB 21N 22N Stun Acknowledge Resurrect statuses are provided MIL STD 810C D E F ENVIRONMENTS
compatibility with many other
10 13 hour Ni MH batteries for a Kenwood audio accessories such
3 FleetSync Basic dispatch features are available using just 80 Series mobile portable Features or specifications marked with an asterisk are only available in version 2 0
fleet radios and an 80 Series mobile base control station More advanced FleetSync or later radio products Contact Kenwood for details
choice of long or extra longlife in as the KMC 25 while maintaining dispatch systems may require the FleetSync Enhanced option and FleetSync compatible
any application MIL STD 810C D E F peripherals and or software
