Kenwood TKR-850 SUPPLEMENT II SPECIFICATIONS

TKR-850

SPECIFICATIONS (K,K2,K3,C,C3,C6 TYPE)

GENERAL

Frequency Range ................................ K,C : 450 to 480MHz K2 : 480 to 512MHz

K3,C3 : 400 to 430MHz C6 : 350 to 390MHz

Number of Channels ........................... 16 channel

Channel Spacing ................................. Wide : 25kHz Narrow : 12.5kHz

(PLL channel stepping 5kHz/6.25kHz)

Operating Voltage ............................... 13.6V DC± 15%

Current Drain

Standby .......................................... 0.8A

Standby w/power save .................. 0.3A (Operating mode DC-IN : Backup, FAN : Temp, SAVE : ON, DISP : OFF)

Receive .......................................... 1.2A

Transmit/Receive ........................... Less than 13A

Duty Cycle

Receive .......................................... 100%

Transmit ......................................... 100% (100% @25W)

Frequency Stability ............................. Less than ±0.00015% –30°C to +60°C (–22°F to +140°F)

Antenna Impedance ........................... 50Ω

Operating Temperature Range ........... –30°C to +60°C (–22°F to +140°F)

Dimensions ......................................... 483 (19) W x 88 (3-1/2) H x 340 (13-1/3) D mm (inch)

Weight ................................................ 9.7kg (21.4 lbs.)

RECEIVER (Measured by TIA/EIA-603)

Sensitivity

12dB SINAD ................................... 0.35µV

20dB Quieting ................................ 0.45µV

Selectivity ........................................... Wide : 83dB (±25kHz) Narrow : 75dB (12.5kHz)

Intermodulation................................... Wide : 78dB (± 25kHz/± 50kHz) Narrow : 75dB (±12.5kHz/±25kHz)

Hum and Noise ................................... Wide : 50dB Narrow : 45dB

Spurious & Image Rejection ............... 90dB

Audio Output (Ext. Speaker) ............... 4W at 4Ω less than 5% distortion

Audio Distortion (Ext. Speaker) .......... Less than 2.5% at 1000Hz

Band Spread ....................................... K,K2,C : 5MHz K3,C3,C6 : 3MHz

TRANSMITTER (Measured by TIA/EIA-603)

RF Power Output ................................ 40W adjustable to 25W (100% duty @25W)

Type of Emission ................................ K,K2,K3 : Wide : 16K0F3E Narrow : 11K0F3E

C,C3,C6 : Wide : 16K0F3E Narrow : 8K50F3E

Spurious Response ............................. Harmonics : 80dB Others : 75dB

FM Hum and Noise ............................ Wide : 50dB Narrow : 45dB

Audio Distortion .................................. Less than 3% at 1000Hz

Microphone Impedance...................... 600Ω

Band Spread ....................................... K,K3,C,C3 : 30MHz K2 : 32MHz C6 : 40MHz

11

TKR-850

GENERAL

Frequency Range ................................ 440 to 470MHz

Number of Channels ........................... 16 channel

Channel Spacing.................................. Wide : 25kHz Narrow : 12.5kHz (PLL channel stepping 5kHz/6.25kHz)

Operating Voltage ............................... 13.2V DC

Current Drain

Standby ............................................ 0.8A

Standby w/power save .................... 0.3A (Operating mode DC-IN : Backup, FAN : Temp, SAVE : ON, DISP : OFF)

Receive ............................................ 1.2A

Transmit/Receive ............................. Less than 13A

Duty Cycle ........................................... Receive : 100% Transmit : 100% (100% @25W)

Frequency Stability .............................. Less than ± 0.00015% –30°C to +60°C

Antenna Impedance ............................ 50Ω

Operating Temperature Range............ –30°C to +60°C

Dimensions ......................................... 483 W x 88 H x 340 D mm

Weight................................................. 9.7kg

RECEIVER (Measured by EN 300 086)

Sensitivity ............................................ 0.45µV

Adjucent Channel Selectivity............... 83dB (± 25kHz) 75dB (± 12.5kHz)

Intermodulation ................................... 72dB

Spurious & Image Rejection................ 90dB

Audio Output (Ext. Speaker)................ 4W at 4Ω less than 5% distortion

Audio Distortion (Ext. Speaker) ........... Less than 2.5% at 1000Hz

Band Spread ........................................ 5MHz

SPECIFICATIONS (E TYPE)

TRANSMITTER (Measured by EN 300 086)

RF Power Output ................................ 40W adjustable to 25W (100% duty @25W)

Modulation Limiting ............................ ± 5kHz at ± 25kHz ± 2.5kHz at ± 12.5kHz

Spurious Emission............................... –36dBm ≤ 1GHz –30dBm > 1GHz

FM Noise (EIA) .................................... 25kHz : 50dB 12.5kHz : 45dB

Modulation Distortion.......................... Less than 3% at 1000Hz

Microphone Impedance ...................... 600Ω

Band Spread ........................................ 30MHz

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