Kenwood TM-221A
Specifications
TM-221A Specifications| GENERAL | |
| Antenna Impedance | 50 ohms | Current Drain Receive | Less than 600 mA | Current Drain Transmit | Less than 11 Amps | Dimensions (W x H x D) | 5.51 x 1.57 x 7.05 in. (140 x 40 x 179 mm) | Frequency Range | TX: 144 - 148 MHz RX: 138 - 174 MHz |
Ground | Negative | Microphone Impedance | 500-600 ohms | Mode | F3E (FM), (RX only: 138 - 174 MHz) | Operating Temperature Range | -20°C - 60°C | Power Requirement | 13.8V DC (±15%) | Weight (approx.) | 2.65 lbs. (1.2 kg) |
| RECEIVER | |
| Audio Output Power | More than 2W (8 ohms, 5% distortion) | Circuitry | Double conversion superheterodyne | Intermediate Frequency 1st IF | 10.695 MHz | Intermediate Frequency 2nd IF | 455 kHz | Selectivity -6 dB | More than 12 kHz | Selectivity -60 dB | Less than 26 kHz | Sensitivity (12dB SINAD) | Less than 0.16µV | Squelch Sensitivity | Less than 0.10µV |
| TRANSMITTER | |
| Frequency Tolerance | Within ±10 ppm | Maximum Frequency Deviation | ±5 kHz | Modulation | Reactance modulation | Modulation Distortion | Less than 3% | RF Output Power HI | 45 W | RF Output Power LO | 5 W | Spurious Radiation | Less than -60 dB | Specifications may be changed without notice. |
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