Low Power FM Transmitter (LPFM)

AXON LPFM Low Power FM transmitters combine a high-performance Exciter and an efficient RF Amplifier in a compact enclosure.
They offer very high fidelity with extremely low distortion, excellent stereo separation, low energy consumption, exceptional reliability, and advanced connectivity.
AXON delivers a warm and clear sound.

AXON is DRM and IBOC ready.

Our new 5000W FM Transmitter AXON 5000!!!

Our 1200W FM Transmitter AXON 1200!!!

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Main Key Features

Output Power from 30W to 5kW
Comèact Architecture
Extreme Robustness and Reliability
Easy maintenance and low-cost ownership
Remote Access via HTML5 Web, TCP/IP, SNMP, Email, and Telegram
Unmatched Audio Fidelity and Versatile Audio Inputs
Exceptional efficiency and low power consumption

AXON FM transmitters range from 30W to 5kW, integrating both Exciter and RF Amplifier in a compact enclosure.
Their space-saving design reduces transport costs and simplifies installation at existing transmission sites.

Explore other TEKO FM transmitters

Highlights

High SNR (85 dB), stereo separation (65 dB), ultra-low distortion (0.01%)
Supports MPX, Stereo, AES/EBU, Mono, Dynamic RDS, IP streaming, USB/HD playback
One band Prosessor and Soft Limiter: 75kHz deviation without distortion
Smart Efficiency Algorithm: Dynamic DC voltage and bias control for optimal efficiency across frequencies and power levels
Weekly Power Derating Scheduler optimizes energy consumption by allowing multiple configurable power settings for each day.
Touch Screen BRAIN WEB Unit
COMPLIANT WITH ALL THE STANDARDs: ETSI, CCIR, FCC

AVAILABLE OPTIONS

A wide range of options is available, to reduce the need of any additional equipment:

High performances Stereo Encoder
Digital AES/EBU
Dynamic RDS Encoder with TMC Function
AOIP Audio Over IP
WEB TCP/IP and SNMP connectivity for remote Access
Japanese (JPN), Russian (OIRT) and more bands are also available
Parallel Remote Control Connector Interface
External clock: for PLL synchronization purpose 1-2-2.5-5-10 MHz external r eference oscillator with self selection of the incoming frequency.
Digital Composite 192kHz Input
OIRT & JPN VERSION

WEB Remote Control

Remote access via TCP/IP through Web interface and SNMP v1/v2 sends real-time status and alarm notifications via email and Telegram.
Notifications are fully configurable for immediate alerts or periodic updates at defined intervals.

Weekly scheduler Power Derating

The output power can be programmed depending on the time needed for energy consumption optimization management.

Planar Design

Planar Design: Improves thermal management and layout compactness
Up to 88% RF and 79% total efficiency
Robust 50 V LDMOS, 6th gen planar tech, VSWR tolerance > 65:1

Block diagram of AXON FM Transmitter

ADITIONAL FEATURES

Reliability and Robustness

Engineered for Durability: All components are over-dimensioned for harsh conditions.
Air Filter: Easy to clean or replace
Aluminium Body: Light and strong
Tropicalized PCBs and Wiring: Withstands extreme conditions
Over-Dimensioned Components: Heatsinks, fans, LDMOS, dummy loads, power supply
Integrated Protections: AC filtering, lightning, overvoltage spikes
Mechanical Design: Compact 2U rack, optimized airflow, efficient heat management, durable fasteners
Heavy-Duty Fasteners: 5mm screws for secure assembly and easy access
Optimized Cooling: Ducted airflow and dedicated heatsinks reduce thermal stress

N+1 and Backup Systems

Supports multiple standby configurations
No extra control unit needed
N+1 connector with 7 profiles
Relay outputs and opto-isolated inputs

Packaging and Transport Protection

High-quality packaging ensures resistance to shock, vibration, handling stress, and impact.
Optimized weight and size facilitate logistics and make handling easier for operators.

Integrated Protections

Hardware protection (nanosecond response)
Software derating (non-critical faults)
Over-temperature and cooling failure detection
Amplifier fault monitoring
AC over/under voltage protection
RF output open/short circuit detection
AC mains filtering
Lightning and surge protection
Delayed energization and surge protection on the AC input prevent electrical stress during power-up and voltage transients.

Dynamic RDS Encoder option

Fully dynamic FM broadcast RDS encoder with independent communication port
Control interface based on ASCII commands and UECP protocol
Text features include dynamic PS, parsing, scrolling, tagging, fixed messages, scheduling and HTTP reading
Excellent compatibility with broadcast automation systems
Control software includes powerful Windows GUI application
Supports control from external PHP/ASP scripts
Easy and fast set-up
Excellent spectral purity, direct digital RDS signal synthesis; compliant with EN 50067 / EN 62106
Two switchable program sets (with optional DSN and PSN setting)
Internal real-time clock incl. backup battery
No special 19 kHz input needed - pilot tone internally recovered from MPX signal using digital PLL

Would you like to know how much distance an FM transmitter can cover? Find out in our blog!

How much distance does a radio transmitter cover?

Brief description of the principle of functioning of an FM Exciter-Modulator

The FM Exciter takes in the Base Band or Audio Input to create the RF Signal, with the frequency modulation to be transmitted.

The Base Band Inputs are: Mono, Left & Right, Composed MPX or Digital AES/EBU.

The base band signal, inside the Modulator, goes through several electronic processes to obtain the 75kHz frequency deviation.

In case of stereo, the Left and Right channels code to get the composed signal MPX to be transmitted.

Depending on the settings Pre-emphasis is applied.

Once the base band composite MPX signal is completely processed, it is carried to the VCO to be modulated, converting this amplitude information in frequency modulation information.

The quality of this process has a direct impact on the final quality of the sound of the radio.

The last link on the equipment chain, responsible of transmitting all the quality of the audio, is the FM Modulator.

Each of these processes require high precision in the treatment of the signal.
For this reason, the broadcaster must choose only Top Quality Professional Broadcast Equipment.

The AXON Series of FM Transmitters definitely fulfills this requirement.

Walk with us inside your Axon...

Some common questions:

Low Frequency FM transmitters, Low Wattage FM transmitters or Low Watt FM transmitters: are they the same as a Low Power FM Transmitters?
Yes, people often use these terms interchangeably to call this type of equipment.

What is the difference between Low Power FM Broadcast Transmitters, Low Power Radio Transmitters, Low Power Radio Station Equipment and the one called Low Power FM Transmitter?
The difference is that Broadcast equipment is designed for a very professional application in Radio Broadast.
The characteristics of this type of equipment are of superior quality and reliability compared to Low Power FM Transmitters used for Cars, for example.
Low Power FM Transmitters aim at converting a line audio input to FM (to then play this audio line back on the radio).

In our broadcast market, all our equipment is designed for broadcast applications, even if – to make things easier – many people call our Low Power Broadcast FM Transmitters just Low Power FM Transmitters.