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Icom
IC-M804 — fixed mount radios from Icom.
Technical
| Frequency coverage (Receive) | 500 kHz–29.9999 MHz (continuous) |
|---|---|
| Frequency coverage (Transmit) | 1.6–2.9999, 4.0–4.9999, 6.0–6.9999, 8.0–8.9999, 12.0–13.9999, 16.0–17.9999, 18.0–19.9999, 22.0–22.9999, 25.0–27.5000 MHz |
| DSC Frequency | 2.1875, 4.2075, 6.3120, 8.4145, 12.5770, 16.8045 MHz |
| Mode (TX/RX) | J3E (USB), J2B (AFSK), F1B (FSK) |
| Mode (RX only) | J3E (LSB), A1A (CW), H3E (AM) |
| DSC Mode | F1B |
| Antenna impedance | 50 Ω (unbalanced) |
| Usable temperature range | –15 ℃ to 55 ℃ |
| Frequency stability (TX/RX) | ±10 Hz (below 29.9999 MHz) |
| Frequency stability (DSC) | ±10 Hz |
| Power supply requirement | 10.8–15.6 V (12 V DC), 21.6–31.2 V (24 V DC) |
| Current drain (Receive) | Less than 6 A (12 V) / 3A (24 V) |
| Current drain (Transmit) | Less than 40 A (12 V)/20 A (24 V) |
| Main unit dimensions | 367 (W) × 95 (H) × 260 (D) mm |
| Controller dimensions | 274 (W) × 114 (H) × 86 (D) mm |
| Main unit weight | 8.6 kg (approximate) |
| Controller weight | 760 g (approximate) |
| Output power (1.6–3.9999 MHz) | 85 W pep |
| Output power (4.0–27.5000 MHz) | 125 W pep |
| Spurious emissions | Less than -50 dB peak output power |
| Carrier suppression | More than 40 dB peak output power |
| Unwanted sideband suppression | More than 55 dB peak output power |
| Sensitivity (J3E, A1A, 0.5–1.5999 MHz) | 30 dBμV emf (20 dB SINAD) |
| Sensitivity (J3E, A1A, 1.6–29.9999 MHz) | 8 dBμV emf (20 dB SINAD) |
| Sensitivity (J2B, F1B) | 0 dBμV emf (1% error rate) |
| Sensitivity (H3E, 0.5–1.5999 MHz) | 44 dBμV emf (20 dB SINAD) |
| Sensitivity (H3E, 1.6–3.9999 MHz) | 24 dBμV emf (20 dB SINAD) |
| DSC Sensitivity | 0 dBμV emf (1% error rate) |
| Squelch sensitivity (J3E Threshold) | Less than 26 dBμV emf |
| Squelch sensitivity (J3E Tight) | Less than 96 dBμV emf |
| Squelch sensitivity (H3E Threshold) | Less than 36 dBμV emf |
| Squelch sensitivity (H3E Tight) | Less than 116 dBμV emf |
| Audio output power | 4.0 W at 10% distortion with 4 Ω load |
| Clarity variable range | ±150 Hz |
| Remote controller | IPX7 (1 m depth water for 30 minutes) |
Overview
IC-M804 — fixed mount radios from Icom.
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