Note
The Kenwood TM-241A is a 144MHz FM transceiver designed for mobile or fixed-station use.The unit is built to operate on a 13.8 VDC power source and features a robust design with a rear-panel heat sink to manage temperatures during high-power transmissions.
Key Features
– Memory Management: Features multiple memory channels with microprocessor back-up and the ability to perform memory shifts and channel lockouts.
– Scanning Capabilities: Includes several scan modes such as Band Scan, Programmable Band Scan, and Memory Channel Scan.
– Advanced Squelch Systems: Supports DTSS (Dual Tone Squelch System) and Paging functions.
– User Interface: Equipped with a front-panel display with adjustable illumination intensity (Dimmer) and a multi-function tuning control.
– Includes a Time-out Timer (TOT) and Automatic Power Off (APO) to prevent unnecessary power drain or equipment strain.
– Tone Operations: Integrated Tone/CTCSS operation for repeater access and selective calling.
Specifications
– RF Output: HI: 50W; MID: Approx. 10W; LOW: Approx. 5W
– Frequency Range… 144 to 148 MHz
– Mode: FM
– Modulation: Reactance modulation
– Receiver Circuitry: Double conversion superheterodyne
– Receiver Sensitivity: Better than 0.16 μV (12 dB SINAD)
– Audio Output: More than 2 watts across 8 Ω loads (5% distortion)
– Operating Temp: -20°C to +60°C (-4°F to +140°F)
– Antenna Impedance: 50 Ω
Power Requirements: 13.8 VDC ±15% (Negative Ground)
Current Drain: Transmit: Less than 11A; Receive: Less than 0.6A
