The Maxon SD-125EL-V2 Data Radio is designed to meet the needs of a variety of wireless applications. They offer multiple functions, including baud rates ranging from 1200 to 9600, AC and/or DC audio coupling, and a programmable sub-audio squelch system (CTCSS & DCS) along with a two-tone squelch system. The SD-125E Series is designed with the most frequently requested mechanical footprint, featuring a DE9 male connector and a BNC antenna connection. The radios are equipped with LEDs that provide instant status updates.
Product Features:
- Maxon SD-125EL Series operates within the 148–174 MHz frequency band.
- It supports 16 dip switch-selectable channels.
- An adjustable transmit power output of 5W or 1W for efficiency.
- The channel bandwidth is selectable between 12.5 kHz and 25 kHz.
- With modulation support, it enables reliable data communication at baud rates from 1200 to 9600.
- The squelch system includes Carrier Detect, and Busy Channel Lockout.
- The device features a DE-9 Male RS-232 connector for data integration and a BNC antenna interface for easy connection.
- It supports GPS data handling, allowing control of internal GPS receivers.
- LED indicators provide real-time status updates.
- The die-cast aluminium housing ensures RF shielding and durability for harsh environments.
Transmitter:
- Output Power: VHF/UHF 5/1 Watt
- FM Hum & Noise: >40 dB (12.5 kHz), >40 dB (25 kHz)
- Modulation Sensitivity: 100 mV RMS @ 60% peak dev
- Spurious Emissions: <-57 dBm
- Frequency Deviation: Peak ± 2.5, min. ± 1.9 kHz (12.5 kHz), Peak ± 5.0, min. ± 3.8 kHz (25 kHz)
- Adjacent Channel Power: <70 dBc (25 kHz), <60 dBc (12.5 kHz)
- Audio Response: Within +1/-3 dB of 6 dB octave pre-emphasis characteristics from 300~30000 Hz
Receiver:
- Sensitivity: 0.30 μV (12.5 kHz), 0.28 μV (25 kHz)
- Selectivity: >60 dB (12.5 kHz), >70dB (25 kHz)
- Intermodulation: >65 dB
- Spurious Emissions: <-57 dBm (9 kHz - 1 GHz), <-47 dBm (1 GHz - 4 GHz)
- Rx Hum and Noise: <40 dB (12.5 kHz), <40 dB (25 kHz)
- Receiver Response Time: <16 ms
- Squelch Decay Time: 5 ms Min., 20 ms Max.
- Audio Output Power: 0.5 Watts
Application Areas:
- Water/waste treatment plants
- Oil & Gas field SCADA
- Security/Alarm systems
- Gate ID Tag systems
- Remote controls
- Commercial Sign Control
- Automatic Vehicle Location
- Kill Switches
- Weather monitoring
- Irrigation systems
- Emergency Call boxes
- Low power repeaters
In the Box:
- 1 × Maxon SD-125EL-V2 Data Radio.
Documents:
Maxon SD-125EL Series - Brochure
