75TK-980/981SPECIFICATIONSGENERALFrequency Range ................................ TK-980 RX : 851~870MHz TX : 806~825MHz, 851~870MHzTK-981 RX : 935~941MHz TX : 896~902MHz, 935~941MHzNumber 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 groundCurrent Drain ...................................... 0.4A on standby1.0A on receive7A on transmitTemperature 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 ........................... 50ΩSensitivity (EIA 12dB SINAD) ............. 0.25μVSelectivity ........................................... TK-980 : 75dB TK-981 : 68dBIntermodulation ................................... TK-980 : 70dB TK-981 : 65dBSpurious and Image Rejection ............ 80dBAudio Power Output ........................... 4W at 4Ω less than 5% distortionFrequency Stability ............................. ± 1.5ppm from –30°C to +60°CChannel Frequency Spread ................ TK-980 : 19MHz TK-981 : 6MHzTRANSMITTER (Measurements made per EIA standard EIA/TIA-603)RF Power Output ................................ 15WSpurious and Harmonics ..................... –60dBModulation .......................................... TK-980 : 16K0F3E TK-981 : 11K0F3EFM Noise ............................................ TK-980 : –45dB TK-981 : –40dBMicrophone Impedance ...................... Low impedanceAudio Distortion .................................. TK-980 : 3% or less at 1kHz TK-981 : 5% or less at 1kHzFrequency Stability ............................. ± 1.5ppm from –30°C to +60°CChannel Frequency Spread ................ TK-980 : 64MHz TK-981 : 45MHzSpecifications are for K (U.S.A) models only.