83TK-780/HSPECIFICATIONSGENERALFrequency Range ................................ K,HK : 146 to 174MHz K2,HK2 : 136 to 162MHzNumber of Channels ........................... Maximum 600 channels (LTR model), Maximum 250 channels (Conventional model)Channel Spacing ................................. Wide : 25/30kHz, Narrow : 12.5/15kHz (PLL channel step 2.5, 5, 6.25, 7.5kHz)Input Voltage ....................................... 13.6V DC negative groundCurrent Drain ...................................... 0.4A on standby1.0A on receiveTK-780 : 8A on transmit TK-780H : 12A on transmitTemperature Range ............................ –30°C to +60°C (–22°F to +140°F)Dimensions & Weight ........................ TK-780 : 140 (5.51) W x 40 (1.58) H x 145 (5.73) D mm (inch), 0.94kg (2.07 lbs)TK-780H : 140 (5.51) W x 40 (1.58) H x 173 (6.84) D mm (inch), 1.05kg (2.31 lbs)RECEIVER (Measurements made per EIA standard EIA/TIA-204-D)RF Input Impedance ........................... 50ΩSensitivity (EIA 12dB SINAD) ............. 0.25μVSelectivity ........................................... Wide : 80dB Narrow : 70dBIntermodulation ................................... Wide : 75dB Narrow : 65dBSpurious and Image Rejection ............ 90dBAudio Power Output ........................... 4W at 4Ω less than 5% distortionFrequency Stability ............................. ± 2.5ppm from –30°C to +60°CChannel Frequency Spread ................ K,HK : 28MHz K2,HK2 : 26MHzTRANSMITTER (Measurements made per EIA standard EIA-152-C)RF Power Output ................................ TK-780 : 25W TK-780H : 45WSpurious and Harmonics ..................... 70dBModulation .......................................... Wide : 16K0F3E Narrow : 11K0F3EFM Noise ............................................ Wide : 50dB Narrow : 45dBMicrophone Impedance ...................... 600ΩAudio Distortion .................................. Wide : Less than 3% Narrow : Less than 5%Frequency Stability ............................. ± 2.5ppm from –30°C to +60°CChannel Frequency Spread ................ K,HK : 28MHz K2,HK2 : 26MHzSpecifications are for K (U.S.A) models only.