56FT-891 Operating ManualSpecificationsGeneralFrequency Range: Tx: 1.8 MHz - 54 MHz (Amateur bands only)Rx: 30 kHz - 56 MHz1.8 MHz - 54 MHz(Specified performance, Amateur bands only)Channel Step: 2/5/10 Hz (SSB, CW)10/100 Hz (AM, FM)Frequency Stability: SSB/CW/AM:±0.5 ppm [14 °F to +122 °F (-10 °C to +50 °C)]FM:±1 kHz [14 °F to +122 °F (-10 °C to +50 °C)]Modes of Emission : A1A (CW), A3E (AM), J3E (LSB, USB), F3E (FM)Antenna Impedance: 50 Ohms, unbalancedSupply voltage: 13.8 V DC ±15%, negative groundCurrent Consumption (typical): Rx: 2.0 A (signal present)Tx: 23 AOperating Temperature Range: 14 °F to +122 °F (-10 °C to +50 °C)Case Size (W x H x D): 6.1” x 2.0” x 8.6” (155 x 52 x 218 mm) (w/o knobs)Weight (Approx.): 4.18 lb (1.9 kg)TransmitterPower Output: 100 W (40 W AM carrier)Modulation Type: J3E (SSB): Balanced,A3E (AM): Low-Level,F3E (FM): Variable ReactanceMaximum Deviation: ±5.0 kHz (Wide)±2.5 kHz (Narrow)Spurious Radiation: Better than -50 dB ( 1.8 MHz - 30 MHz Amateur bands )Better than -63 dB (50 MHz Amateur bands)Microphone Impedance: 600 Ohms (200 Ohms to 10 k Ohms)