Icom IC-705
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General Information
The Icom IC-705 is a compact, all-mode, all-band portable HF/VHF/UHF transceiver designed for amateur radio operators. Combining Software Defined Radio (SDR) technology with a sleek, user-friendly interface, it covers frequencies from 0.030 MHz to 450 MHz, supporting SSB, CW, AM, FM, and digital modes like FT8 and D-STAR. With built-in Wi-Fi, Bluetooth, GPS, and a 3.5-inch touchscreen, the IC-705 bridges traditional ham radio with modern connectivity. Its 10W output (HF/6m) and 5W (VHF/UHF) make it versatile for portable and fixed operations, while its lightweight design (1.3 kg) and optional battery pack cater to outdoor enthusiasts.
How It Performs in Different Environments
Scenario - Base Station at Home
Pros
- Stable power supply via AC adapter for continuous operation
- Easy integration with external antennas and amplifiers
- Supports digital modes via USB or Wi-Fi/Bluetooth connectivity
Cons
- Limited output power (10W) compared to traditional base stations
- May require additional accessories (e.g., tuner, interface cables)
- Small screen may be less ideal for prolonged indoor use
Scenario - Portable Station for Parks on the Air or Summits on the Air
Pros
- Lightweight and compact for easy transport
- Built-in battery (optional) and solar-ready for field use
- GPS and D-STAR support enhance portable digital operations
Cons
- Battery life limited (~3 hours at 10W transmit)
- External antenna setup required for optimal HF performance
- Exposure to weather may risk damage to sensitive components
Scenario - Mobile Station in a Vehicle
Pros
- Compact size fits easily in most vehicles
- 12V DC power compatibility for seamless vehicle integration
- GPS and APRS support for real-time tracking
Cons
- RF interference from vehicle electronics may affect performance
- Mounting the antenna optimally is challenging
- Heat dissipation may be an issue in confined spaces
Specs
| Specification | Detail |
|---|---|
| Frequency Coverage | 0.030–74.800 MHz, 136–174 MHz, 420–450 MHz |
| Modes | SSB, CW, AM, FM, DV (D-STAR), Digital (USB) |
| Output Power | 10W (HF/6m), 5W (VHF/UHF) |
| Battery | Optional BP-307 Li-ion (11.1V, 3100mAh) |
| Connectivity | Wi-Fi, Bluetooth, USB-C, GPS |
| Display | 3.5-inch color touchscreen |
| Weight | 1.3 kg (2.87 lbs) |
| Dimensions | 160 x 58 x 165 mm |