75
TK-980/981
SPECIFICATIONS
GENERAL
Frequency Range ................................ TK-980
RX : 851~870MHz
TX : 806~825MHz, 851~870MHz
TK-981
RX : 935~941MHz
TX : 896~902MHz, 935~941MHz
Number of Channels ........................... Maximum 600 channels (LTR mode)
Maximum 250 channels (Conventional mode)
Channel Spacing ................................. TK-980
25kHz (PLL channel step 12.5kHz)
TK-981
12.5kHz (PLL channel step 12.5kHz)
Input Voltage ....................................... 13.6V DC negative ground
Current Drain ...................................... 0.4A on standby
1.0A on receive
7A on transmit
Temperature Range ............................ –30
°
C to +60
°
C (–22
°
F to +140
°
F)
Dimensions & Weight ........................ 140 (5.51) W x 40 (1.58) H x 145 (5.73) D mm (inch), 0.94kg (2.07 lbs)
RECEIVER
(Measurements made per EIA standard EIA/TIA-603)
RF Input Impedance ........................... 50
Ω
Sensitivity (EIA 12dB SINAD) ............. 0.25
µ
V
Selectivity ........................................... TK-980 : 75dB
TK-981 : 68dB
Intermodulation ................................... TK-980 : 70dB
TK-981 : 65dB
Spurious and Image Rejection ............ 80dB
Audio Power Output ........................... 4W at 4
Ω
less than 5% distortion
Frequency Stability .............................
±
1.5ppm from –30
°
C to +60
°
C
Channel Frequency Spread ................ TK-980 : 19MHz
TK-981 : 6MHz
TRANSMITTER
(Measurements made per EIA standard EIA/TIA-603)
RF Power Output ................................ 15W
Spurious and Harmonics ..................... –60dB
Modulation .......................................... TK-980 : 16K0F3E
TK-981 : 11K0F3E
FM Noise ............................................ TK-980 : –45dB
TK-981 : –40dB
Microphone Impedance ...................... Low impedance
Audio Distortion .................................. TK-980 : 3% or less at 1kHz
TK-981 : 5% or less at 1kHz
Frequency Stability .............................
±
1.5ppm from –30
°
C to +60
°
C
Channel Frequency Spread ................ TK-980 : 64MHz
TK-981 : 45MHz
Specifications are for K (U.S.A) models only.