| Type: | Amateur UHF transceiver |
| Frequency range: | 430-440 MHz |
| Mode: | FM/SSB/CW |
| RF Power output: | Max 10 W |
| Sensitivity: | N/A |
| Selectivity: | N/A |
| Image rejection: | N/A |
| Voltage: | 13.8 VDC or mains |
| Current drain: | RX: Max 800 mA TX: Max 3.5 A |
| Impedance: | 50 ohms, N |
| Dimensions (W*H*D): | 241*111*264 mm |
| Weight: | 7.2 Kg |
| Manufactured: | Japan, 1980-198x (Discontinued) |
 IC-451_block_diagram.pdf | 75 kB |
| IC-451_pcb.pdf | 222 kB |
| IC-451_schematic_diagram.pdf | 761 kB |
| IC-451_user_manual.pdf | 5898 kB |