SD-125EL Series Data Radios

SD-125EL V2 – 5/1W VHF (148-174 MHz)
SD-125EL U1 – 5/1W UHF (400-430 MHz)
SD-125EL U2 – 5/1W UHF (440-470 MHz)
  • LED Status Indicator
  • 5/1 Watt Power Output
  • 16 Channels (Dip Switch Select)
  • DE-9 Pin Male Connector
  • 12.5/25 kHz Channel Spacing
  • TX Time Out Timer
  • Carrier Detect
  • Busy Channel Lockout
  • BNC Female Antenna Connector
  • POCSAG Capable


SD-125EL Data Radios

The Maxon SD-125EL Series of data/telemetry radios are designed to meet the needs for a variety of wireless applications in a cost effective package.

The modules incorporate the most requested mechanical footprint and connectors. Adjustable transmit power settings from one to five watts provides the power needed on any job and the LED indicator gives instant on-sight status of the radios operation. The die cast aluminum cabinet/lid provides resistance to RF interference; and gives exceptional environmental durability in the most extreme conditions. The SD-125EL can also be configured with POCSAG for paging applications.

Whether implementing a new system or installing into an existing system, the Maxon America family of data telemetry radios have been the choice of OEM and end-users worldwide for over 35 years.


Water/Waste Treatment Plants, Oil and Gas Field SCADA, Security/Alarm Systems, Gate Systems, Remote Controls, Sign Control, Automatic Vehicle Location, Murphy/Kill Switches, Weather Monitoring, Irrigation Systems, Emergency Call Boxes, Low Power Repeaters



TB-150BN – VHF (148-174 MHz) 6″ Antenna, BNC
TB-450BN – UHF (400-512 MHz) 6″ Uncut Antenna, BNC
G8BI – Mag Mount Base, 12′ coax, BNC Connector; Requires QW152 or QW450
G8BI20 – Mag Mount Base, 20′ coax, BNC Connector; Requires QW152 or QW450 QW152 – 18″ VHF Wave Antenna (NMO Type): Use with G8BI or G8BI20
QW450 – 6″ UHF Wave Antenna (NMO Type): Use with G8BI or G8BI20


ACC-HSNF – Aluminum Black Anodized Pin Style – Flat Mount


ACC-900E/N – Programming Software
ACC-2125 – Programming Cable (Serial)
TAC-101D – Squelch Control Cable


SD-125EL Series Spec Sheet – DOWNLOAD

How to Buy

Our radios are for professional use and most require an FCC, IC (Canada), or CE Red (Europe) license to import and/or operate.

Please contact us to find a local Maxon dealer:

Call: (800) 456-2071


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