Icom IC-2100H
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| Frequency | 144-148 MHz |
| TX power | 5 / 55 W |
| Modes | FM |
| Weight | 930 g (32.8 oz) |
| Connector | SO-239 |
| Year | 1997 |
| antenna | SO-239 |
| dc in | 13.8VDC fused power cable |
| mic | Icom 8-pin round |
| power req | 13.8VDC (vehicle power) |
Estimated (unverified): AMATEUR radio - FCC Technician-class license required to transmit; NOT GMRS, NOT license-free. SINGLE-BAND 2m (144-148 MHz) ONLY - NOT dual-band. Analog FM only (predates Icom D-STAR). Power: 55W / 10W / 5W. MIL-STD-810 (shock/vibration); 113 memory channels with alpha names; selectable amber/green backlight; NO built-in packet TNC (voice-focused). Known quirk: speaker crackle over time (fix: re-seat main board screws). Introduced ~1997. DISCONTINUED (-> IC-2200H -> IC-2300H).
A compact, affordable 2m mobile Icom kept in production for years. 55W (55/10/5W), 113 memories, CTCSS, MIL-STD-810C/D/E shock and vibration, a green/amber display, and an included DTMF hand mic. A reliable single-band 2m rig.
2m only. No DCS decode. The display is monochrome and dim. No dual-band capability. By the time of its discontinuation, most buyers had moved to dual-band radios.
The last great 2m-only mobile. Icom kept the IC-2100H in production because there was always demand for a simple, reliable, affordable 2m rig. Many are still the only radio in a vehicle because the owner never needed anything more.
The Icom IC-2100H is a single-band 2-meter analog FM mobile radio from the late 1990s, a rugged, simple workhorse of its era. It requires an FCC Technician-class license or higher to transmit; it is not a GMRS or license-free radio, and it is analog FM only, it has no digital modes (it predates Icom's D-STAR). It is 2 meters only, with no 70-centimeter capability.
It puts out 55 watts, is built to MIL-STD-810 for shock and vibration, holds 113 memory channels with alphanumeric names, and has a selectable amber-or-green backlight that owners remember fondly. Unlike the Alinco DR-135T, it has no built-in packet TNC, it is a voice-focused radio. A well-known minor quirk is a speaker crackle that develops over time, fixed by re-seating the main board screws.
It is long discontinued, replaced by the IC-2200H (and later the IC-2300H). For a current dual-band Icom mobile, see the IC-2730A; the dual-band Icom mobile of its own era is the IC-208H.