30 Watt FM Transmitter for Local Broadcasting
Specifications
Product Details
Our compact 30W FM transmitter provides a powerful and affordable solution for local radio broadcasting. It’s perfect for small stations, educational or church use, and temporary broadcast events.
| Specification | Value |
|---|---|
| Working Voltage | AC100V – AC260V |
| Working Current | < 1A |
| Frequency Range | 87.5 ~ 108MHz |
| Frequency Stability | ±10PPM |
| Frequency Stepping | 100KHz |
| Environment Temperature | -10℃ ~ 45℃ |
| Output Impedance | 50Ω |
| RF Output Power | 0W ~ 30W |
| Harmonic & Clutter Radiation | ≤ −60dB |
| Audio Distortion | 0.5% |
| Frequency Response | 50Hz ~ 15000Hz |
| Separation | ≥ 35dB |
| Input Level | ≤ 15dBV |
| Frequency Modulation | ±75KHz |
| SNR | ≥ 65dB |
| Size | 345mm × 480mm × 45mm |
| Weight | 6KG |
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How Far Can a 30W FM Transmitter Reach?
Based on actual field tests conducted by our engineering team, a 30W FM transmitter installed with a 30-meter antenna height can typically achieve a coverage radius of approximately 2–4 kilometers in normal urban environments with standard population density.
| Environment | Estimated Coverage | Typical Application |
|---|---|---|
| Urban Areas | 2 – 4 km | Community radio, schools, churches |
| Open Rural Areas | 3 – 8 km | Farms, villages, outdoor broadcasting |
| Elevated Antenna Installations | Up to 10 km | Hilltop installations, small-town FM stations |
* Actual FM coverage depends on antenna height, terrain, antenna gain, cable loss, and surrounding interference
Typical Applications
The 30W FM transmitter is the ideal entry-level professional solution for a wide range of broadcast scenarios.
Church & Religious Broadcast
Broadcast sermons, hymns, and religious programs to the surrounding community or parking lot. Perfect for drive-in worship services.
School & Campus Radio
Run a student radio station, broadcast school announcements, or deliver educational content across an entire campus or district.
Drive-In Theater
Transmit movie audio directly to car radios. Provides crystal-clear stereo sound without the need for external speakers or wired systems.
Farm & Rural Broadcast
Cover large agricultural properties with weather updates, work schedules, and announcements. Ideal for farms and rural estates.
Community & Local Radio
Launch a neighborhood or community radio station to share local news, music, and events. Serves small towns and residential communities.
Factory & Warehouse PA
Replace wired PA systems with wireless FM broadcast for factories, warehouses, and large indoor facilities. Workers tune in with personal radios.
Features of our 30W FM transmitter
Intelligent Overheat Protection
The 30W FM transmitter automatically switches to protection mode when the internal temperature exceeds the normal operating range. Visual alarm messages and audible alerts help ensure safe and stable FM broadcasting operation during continuous use.
VSWR Protection System
Built-in SWR protection helps prevent damage caused by antenna mismatch or poor RF connection. When abnormal VSWR values are detected, the transmitter automatically activates protection mode with on-screen alarm notifications and warning sounds.
Cooling Fan Failure Alarm
The transmitter continuously monitors fan operation status. If the cooling fan stops working or encounters a fault, an automatic alarm message will appear on the display to protect the transmitter from overheating.
Adjustable RF Power Output
The RF output power is continuously adjustable, allowing flexible FM broadcasting configurations for different coverage requirements. Users can easily fine-tune the transmitter power output according to antenna setup, installation environment, and local broadcasting needs.
Advanced Digital FM Modulation Technology
The transmitter uses a fully digital FM modulation architecture combining DSP and DDS technologies for precise audio processing and stable FM signal transmission. Digital filtering, stereo encoding, pilot tone generation, and FM modulation are processed digitally for improved broadcast audio quality.
User-Friendly Control
The transmitter features an intuitive front-panel control knob that allows users to easily adjust frequency, audio volume, and RF power output directly from the display interface. You can easily control them by simply rotating the knob left or right. The adjustable frequency range is 87.5 MHz to 108 MHz, while the volume level can also be easily adjusted from 0–14.
Model Comparison: 30W vs 50W vs 100W
Choose the right power level for your broadcast needs. All models include a 5-year warranty and free shipping to most countries.
30W
Entry LevelIdeal for small venues & communities
- Coverage: 2 - 4 km range
- Frequency: 87.5 - 108 MHz
- Best For: Church, school, drive-in
- Power Output: ~30W
- Overheat Protection: Yes (45°C)
- Warranty: 5 Years
- Certifications: FCC & CE
Power Level: 30%
50W
Best ValuePerfect balance of power & coverage
- Coverage: 3 - 5 km range
- Frequency: 87.5 - 108 MHz
- Best For: Community radio, town coverage
- Power Output: ~50W
- Overheat Protection: Yes (45°C)
- Warranty: 5 Years
- Certifications: FCC & CE
Power Level: 50%
100W
ProfessionalFor serious broadcast stations
- Coverage: 7 - 12 km range
- Frequency: 87.5 - 108 MHz
- Best For: Regional radio, city broadcast
- Power Output: ~100W
- Overheat Protection: Yes (45°C)
- Warranty: 5 Years
- Certifications: FCC & CE
Power Level: 100%
Not sure which model is right for you?
Our engineers will help you choose the perfect transmitter for your coverage needs and budget.
How to Install a 30W FM Transmitter?
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Install the FM Antenna
Set the broadcast antenna in an open and elevated position, preferably around 20–30 meters high for better coverage.
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Connect the RF Cable
Use a high-quality 50Ω coaxial cable to connect the antenna to the FM transmitter securely.
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Connect the Audio Source
Connect your mixer, microphone, computer, or audio player to the transmitter audio input interface.
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Set the FM Frequency
Choose an unused FM frequency between 87.5 MHz and 108 MHz to avoid local signal interference.
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Power On and Test
Turn on the transmitter and verify the broadcast signal, audio quality, and SWR status for safe operation.
Video Guide
30W FM Transmitter Installation Demo
Recorded in our factory, this video shows the real setup and testing process of our FM transmitters and broadcasting systems.