Icom Handheld Radio M73 VHF Marine Transceiver
The M73’s ergonomic design fits easily in the user’s hand and is a rugged, durable radio. The large screen and high intensity LCD offers bright, easy to read characters. Yacht customers benefit from the optional VOX headset and adapter option that allows someone handling dock lines to use both hands, while docking the boat, simultaneously communicating with the captain.
Output Power: | 6W | |
Battery Life: | 2000mAh Li-ion battery, up to 16 hours Typical operation; Tx:Rx:Stand-by duty ratio = 5:5:90 | |
Waterproof Rating: | IPX8 |
Loud Audio
The M73 uses a BTL (bridge-tied load) amplifier that doubles the audio output. Its internal speaker delivers a loud 700mW audio output with clear sound.
M73 PLUS
The M73 PLUS includes these additional features:
- Active noise cancelling to reduce background noise to hear conversations better.
- Bass boost function provides a rich bass sound for both transmit and receive signals.
- Last call voice recording automatically saves the last incoming call for one minute. You can also start recording manually.
Additional Features
- AquaQuake™ water draining function
- Dual/Tri-Watch function for monitoring Channel 16 and/or call channel
- 4 level battery indicator
- Favorite channel and tag scan functions
- Auto power save function
| General | |
|---|---|
| Frequency Range Tx Rx | 156.025–157.425MHz 156.050–163.275MHz |
| Usable channel groups | INT, USA, CAN, WX channels |
| Type of emission | 16K0G3E (FM) |
| Current drain (at 7.4V DC) Tx (at 6W output) Rx (Max. audio (Int SP/Ext SP) | 1.5A typical 450mA/250mA |
Operating temperature range | –20°C to +60°C; –4°F to +140°F |
| Antenna Impedance | 50Ω (STUD) |
| Dimensions (W×H×D) (Projections not included) | 52.5×125×30 mm 2.07×4.92×1.18 in |
| Weight (approx.) | 320g; 11.3oz (With BP-245N, FA-S64V, MB-103) |
| Transmitter | |
|---|---|
| Output power (Hi/Low) | 6W/3W/1W |
| Max. frequency deviation | ± 5.0 kHz |
| Frequency error | ±10ppm |
| Audio harmonic distortion | Less than 10% (at 60% dev.) |
| Spurious emissions | –68dBc |
| Adjacent channel power | 70dB |
| Audio harmonic distortion | Less than 10% (at 60% dev.) |
| Residual modulation | 40dB |
| Receiver | |
|---|---|
| Sensitivity | 0.22μV typ. (at 12dB SINAD) |
| Squelch sensitivity | 0.35µV typ. (at threshold) |
| Adjacent Channel Selectivity | 70dB typical |
| Spurious response | 70dB typical |
| Intermodulation | 70dB typical |
| Hum and noise ratio | 40dB typical |
| Audio output power Internal speaker | 700mW typ. (at 10% distortion, 8Ω load) |