Kenwood FM Transceiver TK-481 - Manual (Page 2)

Specifications
Model TK-480 TK-481
GENERAL
Frequency Range
RX: 851 ~ 870 MHz RX: 935 ~ 941 MHz
TX: 806 ~ 825 MHz, TX: 896 ~ 902 MHz,
851 ~ 870 MHz 935 ~ 941 MHz
(Talk Around) (Talk Around)
System Max. 32
Group Max. 250 per system
Channel Capacity Max. 600
(Conventional)
PLL Channel Spacing 25 kHz 12.5 kHz
(PLL step: 12.5 kHz)
Battery Voltage 7.5 V DC ± 20 %
Battery Life (5-5-90 Duty Cycle)
KNB-16A Battery 8 hours
KNB-17A Battery 10 hours
KNB-21N Battery 10.5 hours
KNB-22N Battery 13 hours
Operating Temperature -22° F ~ +140° F
Range (-30° C ~ +60° C)
Frequency Stability ±0.00025% ±0.00015%
(-22° F ~ +140° F)
Dimensions (W x H x D)
2-5/16 x 5-5/16 x 1-5/16 in. (58 x 135 x 34 mm)
[projections not included] with KNB-21N battery
Weight (net) 17.3 oz. (490 g ) with KNB-21N battery,
antenna and belt hook
FCC ID ALH22961110 ALH22992110
IC Certification 282195282 282195286
Model TK-480 TK-481
RECEIVER (Measurements made per TIA/EIA-603)
RF Input Impedance 50 Ω
Sensitivity (12 dB SINAD) 0.30 µV
Selectivity 70 dB: ±25 kHz 63 dB: ±12.5 kHz
Intermodulation Distortion 65 dB: ±25/50 kHz 60 dB: ±12.5/25 kHz
Spurious Response 70 dB (except 1/2 IF)
Audio Output 500 mW at 16 Ω, with less than 5% distortion
Channel frequency spread 19 MHz 6 MHz
TRANSMITTER (Measurements made per TIA/EIA-603)
RF Power Output HI: 2.5 W, LO: 1 W
RF Output Impedance 50 Ω
Spurious & Harmonics 60 dB
Modulation 16KØF3E 11KØF3E
FM Noise 45 dB 40 dB
Audio Distortion Less than 5%
Channel Frequency Spread 64 MHz 45 MHz
■ KNB-16A
Ni-Cd Battery Pack
(1100 mAh)
■ KNB-17A
Ni-Cd Battery Pack
(1500 mAh)
■ KNB-17B
Ni-Cd I.S. Battery Pack
(1500 mAh)
■ KNB-21N
Ni-MH Battery Pack
(1600 mAh)
■ KNB-22N
Ni-MH Battery Pack
(2100 mAh)
■ KNB-22NC
Ni-MH I.S. Battery Pack
(2100 mAh)
■ KBP-4
AA Refillable Battery Pack
(Holds 12 AA-Size Cells)
■ KSC-19
Regular Rate
Ni-Cd Charger
■ KSC-24
Rapid Rate Dual-Chemistry
Ni-Cd/Ni-MH Charger
■ KMB-16
Multi-Charger Adapter
■ KVC-5A
Heavy-Duty D.C. Vehicular
Drop-In Charger
■ KVC-3
Regular Rate Vehicular
Charger Adapter for (KSC-19)
■ KVC-4
Rapid Rate Vehicular
Charger Adapter for (KSC-24)
■ KMC-25
MIL-SPEC Speaker Mic
■ KEP-1
Heavy Duty Earphone
■ KHS-11
2-Wire Palm Mic
with Earphone
■ KHS-12
3-Wire Palm Mic
with Earphone
■ KHS-14
Lightweight Single
Muff Headset
■ KHS-15-BH
Heavy Duty
Behind-the-Head Headset
■ KHS-15-OH
Heavy Duty
Over-the-Head Headset
■ KBH-10
Low Profile Belt Clip
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, II 500.4/Procedure I, II
High Temperature 501.1/Procedure I, II 501.2/Procedure I, II 501.3/Procedure I, II 501.4/Procedure I, II
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
Rain 506.1/Procedure I, II 506.2/Procedure I, II 506.3/Procedure I, II 506.4/Procedure I, III
Humidity 507.1/Procedure I, II 507.2/Procedure II, III 507.3/Procedure II, III 507.4
Salt Fog 509.1/Procedure I 509.2/Procedure I 509.3/Procedure I 509.4
Dust 510.1/Procedure I 510.2/Procedure I 510.3/Procedure I 510.4/Procedure I, III
Vibration 514.2/Procedure VIII, X 514.3/Procedure I 514.4/Procedure I 514.5/Procedure I
Shock 516.2/Procedure I, II, V 516.3/Procedure I, IV 516.4/Procedure I, IV 516.5/Procedure I, IV
FleetSync ® is a registered trademark of Kenwood Corporation.
LTR ® is a registered trademark of Transcrypt International.
Kenwood follows a policy of continuous advancement in development.
For this reason specifications may be changed without notice.
Options
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.
Applicable MIL-STD & IP
ADS#07908 Printed in USA
JQA-QMA1205
footnotes from Front:
1 Trunked Format: 32 Systems max. (prog. for LTR ® or
Conventional), 250 Groups per system max (limited per repeater
channels programmed).
2 Keypad models only.
3 DTMF Encode includes PTT ID, Emergency ANI, Manual Encode
(keypad models), Auto-Dial (32 numbers); DTMF Decode
includes Stun (dead beat disable), primary/secondary selective
cal with call alert and transpond.
4 KPG-49D required: Windows ® 98/ NT/ 2000/ Me/XP compatible.
5 Kenwood LTR ® Features: KPG-49D Group Delete/Add, LTR ® Talk
Around, Scan Revert Group Display, System Scan, Group Scan,
Auto Search.
6 FleetSync ® (not FleetSync ® II capable).
7 Short Text Messages are radio stored & LCD displayed.