Transceivers & Repeaters
Types of Transceivers
| Feature | Handheld (HT) | Mobile | Base Station |
|---|---|---|---|
| Size | Fits in one hand | Fits under a car dashboard | Desktop unit, often with separate components |
| Power | 1–8 watts | 25–75 watts | 100–1,500 watts (with amplifier) |
| Antenna | Small “rubber duck” or whip antenna | Vehicle-mounted antenna (mag-mount or permanent) | Outdoor antenna on mast or tower |
| Power source | Rechargeable battery | Vehicle battery (12V DC) | AC power supply |
| Typical bands | VHF/UHF (2m, 70cm) | VHF/UHF and/or HF | HF, VHF, UHF — full range |
| Range (simplex) | 1–5 miles (terrain dependent) | 5–30 miles | 30+ miles (VHF) to worldwide (HF) |
| Best for | Hiking, events, emergencies, portable use | Travel, commuting, mobile operation | Home station, DXing, contests |
Size
- Handheld (HT)
- Fits in one hand
- Mobile
- Fits under a car dashboard
- Base Station
- Desktop unit, often with separate components
Power
- Handheld (HT)
- 1–8 watts
- Mobile
- 25–75 watts
- Base Station
- 100–1,500 watts (with amplifier)
Antenna
- Handheld (HT)
- Small “rubber duck” or whip antenna
- Mobile
- Vehicle-mounted antenna (mag-mount or permanent)
- Base Station
- Outdoor antenna on mast or tower
Power source
- Handheld (HT)
- Rechargeable battery
- Mobile
- Vehicle battery (12V DC)
- Base Station
- AC power supply
Typical bands
- Handheld (HT)
- VHF/UHF (2m, 70cm)
- Mobile
- VHF/UHF and/or HF
- Base Station
- HF, VHF, UHF — full range
Range (simplex)
- Handheld (HT)
- 1–5 miles (terrain dependent)
- Mobile
- 5–30 miles
- Base Station
- 30+ miles (VHF) to worldwide (HF)
Best for
- Handheld (HT)
- Hiking, events, emergencies, portable use
- Mobile
- Travel, commuting, mobile operation
- Base Station
- Home station, DXing, contests
Handheld Transceivers (HTs)
The most portable option. Every new Technician class ham typically starts with an HT. They’re ideal for local communication, repeater access, public service events, and emergency go-bags. The main limitation is low power and a small, inefficient antenna.
Mobile Transceivers
Designed to mount in a vehicle. Higher power and a better antenna location (roof-mounted) give significantly better range than an HT. Many hams operate mobile during their commute.
Base Stations
The full-capability station at home. A base station can include an HF transceiver for worldwide communication, a high-gain antenna system, and amplifiers. This is where serious DXing, contesting, and experimentation happen.
Amateur Radio Repeaters
A repeater is an automated station, usually located on a hilltop or tall building, that receives a signal on one frequency and simultaneously retransmits it on another frequency at much higher power and from a much better location. This dramatically extends the range of low-power handheld and mobile radios.
How Repeaters Work
- You transmit on the repeater’s input frequency (e.g., 146.340 MHz).
- The repeater receives your signal, amplifies it, and retransmits it on the output frequency (e.g., 146.940 MHz) — typically with 50–100 watts from a hilltop antenna.
- Other operators listen on the output frequency and hear your signal clearly, even if they’re 30–50 miles away.
The difference between input and output frequencies is called the offset (typically +/- 600 kHz on 2 meters).
Why Repeaters Matter
Without repeaters, two handheld radios on VHF might only communicate 1–3 miles apart on flat terrain. Through a repeater, those same radios can communicate 30–50 miles or more. Repeaters are the backbone of local amateur radio communication.
