Spec

• General Specifications TH-K20TH-K40
• Frequency Range Transmit 144~146 MHz430~440 MHz
• Receive 136~174 MHz400~470 MHz
• (Excluding some frequencies)
• Radio types F2D, F3E
• Antenna Impedance 50 Ω
• Voltage Range: 6.0~9.0 VDC (Standard Voltage: 7.4 VDC)
• Operating temperature range -20°C to +60°C
• -10°C~+50°C with -46 L PB
• Frequency stability ±2.5ppm
• Battery life
• (Hi/Mid/Low) * Approx. 7/Approx. 10/Approx. 12 hours when using PB-46L
• When Using BT-16 * * Approx. 6/Approx. 8/Approx. 10 Hours
• Dimensions (W x H x D)
• Excluding Projections 54 x 111.7 x 27.2 mm when PB-46L is mounted
• When equipped with BT -16: 54 x 111.7 x 29 mm
• Weight: Approx. 228 g when main body +PB-46L is installed.
• Body +BT-16 Installed Approx. 178 (Without Batteries)
• transmission part
• Transmit Output Hi5.5W5W
• Hi (when using BT -16) Approx. 3.5 W
• Mid2W
• Low1W
• modulation system reactance modulation
• Maximum frequency deviation within ±5 kHz
• Transmit spurious less than -6dB
• Modulation distortion 5% or less
• Microphone impedance 2 kΩ
• receiving part
• receiving system double super heterodyne system
• Intermediate Frequency 1st IF38.85MHz
• 2nd IF450kHz
• Receive Sensitivity (12dB SINAD) 0.16 μV or Less 0.18 μV or Less
• Squelch sensitivity 0.13 μV or less
• Selectivity -6dB10kHz or higher
• -50dB28kHz or less
• Low-frequency output (8 Ω, 10% strain)400 mW or more at 7.4 V
• Measurement shall be conducted according to the measurement method specified by JAIA (in amateur radio band).
• Measurement conditions: S*** 6 seconds, Receive 6 seconds, Standby 48 seconds
• ** Due to the characteristics of alkaline batteries, the displayed values may not be displayed dep***ing on the time of *** when the battery is not low power. We recomm*** that you *** the low power setting. In order to operate this radio, you need to have a 4th class amateur radio operator qualification or higher.