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Maxon America Inc. Logo
Midland Two-Way Radio
SD-125EL V2
SD-125EL U1
SD-125EL U
2
Maxon Synthesized RF Data
Link Radio Telemetry Module with LED

SD-125ELV2  SD-125ELU2 and SD-125ELU1 Maxon Data Telemetry Synthesized RF Data Link Module w/LED

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***Up to 16 Channels Programmed FREE***

$ Qty
VHF 148-174 MHz
Maxon SD-125EL V2
12.5/25 KHz Ch Spacing
16 Channel - 1/5 Watts
VHF Radio with LED

$ Qty
UHF 440-470 MHz
Maxon SD-125EL U2
12.5/25 KHz Ch Spacing
16 Channel - 1/5 Watts
UHF Radio with LED

$ Qty
UHF 400-430 MHz
Maxon SD-125EL U1
12.5/25 KHz Ch Spacing
16 Channel - 1/5 Watts
UHF Radio with LED

SD-125ELV2  SD-125ELU2 and SD-125ELU1 Maxon Data Telemetry Synthesized RF Data Link Module w/LED Action Diagram
SD-125EL Series Maxon Data Telemetry Radio Synthesized RF Data Link Module w/LED side view
Maxon Wireless Data Link Modules are FCC certified for use in the U.S.A. and its possessions. Maxon's SD-125ELV2, SD-125EL U1 and SD-125EL U2 Series Data Modules are manufactured under ISO 9002 quality standards and are IC approved for sale in Canada.

SD-125ELV2  SD-125ELU2 and SD-125ELU1 Maxon Data Telemetry Synthesized RF Data Link Module w/LED U.S. and Canada Approvals


Tough Conditions are No Problem for Maxon RF Data Modules
Tough Conditions?
No Problem for Maxon RF Data Link Modules

Check Out the SR-170 Repeater
Built using SD-170 Series Data Radios

CLICK FOR SR-170 SERIES REPEATERS

Check Out Maxon's Other
Data Telemetry Radios:

SD-170EL Series  SD-170EX Series
SD-270 Series  TD-1500  TD-2400MD


SD-125EL Series Maxon Data Telemetry Radio Synthesized RF Data Link Module w/LED Headline

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 family of data telemetery radios have been the choice of OEM and end-users worldwide for over 25 years.

Features:

  • Synthesized Frequency Tuning
  • 1 or 5 Watts RF Output
  • 148-174 MHz VHF - V2
    440-470 MHz UHF - U2
    400-430 MHz UHF - U1
  • Programmable up to 16 Channels
  • 16 Channels (Dip Switch Select)
    (internal dip switch)
  • Programmable Wide/Narrow Band
  • Operates from 9V to 18 VDC
  • Carrier Squelch ONLY
  • LED Status Indicator
  • DE-9 Male Connector
  • 12.5/25 kHz Channel Spacing
  • Carrier Detect
  • Busy Channel Lockout
  • BNC Female Antenna Connector
  • POCSAG Protocol Optional
  • Carrier Detect
  • Complies with NTIA Specifications
  • Die-Cast Aluminum Housing
  • TX Time Out Timer
  • PC Programming via Software and Cable (optional)

DON'T SEE WHAT YOU NEED??
Got a Question?

Connector Pin Assignment:
(Same as SD-170EX Series)

SD-125ELV2  SD-125ELU2 and SD-125ELU1 Maxon Data Telemetry Synthesized RF Data Link Module w/LED DE-9 Connector Pin Assignment
CLICK FOR LARGER IMAGE

  • Easy access to all module functiions
  • Industry standard DE-9 connector

SD-125EL Series Maxon Data Telemetry Radio Synthesized RF Data Link Module w/LED used in water conservation

SD-125EL Series used extensively
in water management & control.

  • Increases efficiency in water use applications
  • Operates well in low power environments
  • Range greatly increased with High Gain / High Elevation antennas

SD-125EL Series Maxon Data Telemetry Radio Synthesized RF Data Link Module w/LED used in water measurement and control

SD-125EL Series water level
monitoring

  • Accepts low speed data to provide monitoring and control of external devices
  • Popular in control systems and machine temperature and function monitoring

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

   

 

 Optional Accessories - Antennas
Model # Description Price

 TB-150BN  VHF (148-174 MHz) 6" Antenna, BNC
   $19.00 
 TB-450BN  UHF (400-512 MHz) 6" Uncut Antenna, BNC
   $19.00 
 Heat Sink - Cooling / Extended Duration
Model # Description Price

 ACC-HSNF  Aluminum Black Anodized Pin Style-Flat Mount
 $109.00 
 ACC-HSWFL  Aluminum Finned w/Cooling Fan Mounted on
 Radio Lid
 $109.00 
 Service Equipment - Programming / Manuals
 ACC-2125  PC Programming Cable (includes manual)
 
(Requires -  ACC-900E)

   $40.00 

 TAC-101D  Squelch Adjustment Cable (includes manual)
  (Requires -  ACC-900E)

   $40.00 

 ACC-900E  PC Programming Software(Windows)
  (Requires-ACC-2125 for prog/TAC-101D for squelch)

   $29.00 

 ACC-900EN  PC Programming Software( Windows) 12.5 kHz Only
  
(Requires-ACC-2125 for prog/TAC-101D for squelch)
   $29.00 
 ACC-516E  Extender Board for Servicing SD-125E/EL
 Data Radios
   $18.00 
 SVM-125E  SD-125EV / SD-125EU Service Manual

   $22.00 

     Wt    $ Qty
 

 
General Specifications  
Parameter: Maxon VHF SD-125EL V2 Maxon UHF SD-125EL U1/2
Frequency Range 148-174 MHz V2 440-470 MHz U2
400-430 MHz U1
Approvals RXUSD-125EV2 RXUSD-125EU1/RXUSD-125EU2
FCC Parts Parts  22, 74, 90, 210
Channels 1 to16 internal dip switch selectable
Channel Spacing 12.5 / 25 KHz
Channel Stepping

2.5, 5 & 6.25 KHz

Channel Spread 26 MHz 30 MHz
Frequency Stability

5.0 ppm

2.5 ppm

Operating Temperature

-22 to +140 F (-30 to + 60 C)

Storage Temperature

-40 to +176 F (-40 to + 80 C)

Input Voltage

9V - 18V DC,  12V nominal

LED Status

Green - Receive or Decode /  Red - Transmit

Current Drain @12V 65 mA Rx / 1.0A Tx Low / 2.0A Tx Hi
Lock Time

<10ms

Operating Rating

35% @ Temp Range Listed

Dimensions [LWD]

44.6 x 2.4 x 1.4 (117x62x35 mm)

Weight

9.4 oz. (267 g.)

Materials

Die-cast Aluminum

IC Certification Number

153B-SD-125EV2

153B-SD-125EU1/153B-SD-125EU2

 
Receiver Specifications
Parameter: Maxon VHF SD-125V2 Maxon UHF SD-125U1/2
Frequency Stability < 5 PPM < 2.5 PPM
Sensitivity (12dB SINAD) .25μV (12.5 kHz), 0.35μV (25 kHz)
Response Time <16ms
Selectivity 50dB (12.5 kHz), 60dB (25 kHz)
Spurious Emissions -70dB
Intermodulation

-65dB

Audio Output

0.5 Watt

Audio Distortion

< 5% @ 1 KHz

Spurious/Harmonic

65dB

Input Impedance 50 ohms
 
Transmitter Specifications
Parameter: Maxon VHF SD-125V2 Maxon UHF SD-125U1/2
RF Power Output.

5/1 Watt Programmable

Frequency Deviation 2.5, Min. 1.9 kHz (12.5 kHz) / 5.0, Min. 3.8 kHz (25 kHz)
Modulation 11K0F3E / 16K0F3E
Spurious & Harmonics 60dB
FM Hum & Noise

40dB (12.5 kHz), 40dB (25 kHz)

Adj. Channel Power 70dB (25 kHz), 60dB (12.5 kHz)
Audio Response +1, -3dB from 6dB per octave pre-emphasis and characteristic 300 ~ 3000 Hz
Modulation Sensitivity 100mV RMS (60% peak dev)

Heat Sink

ACC-HSNF Aluminum Black Anodized Pin Style-Flat Mount for SD-125EL Data Radio
ACC-HSNF Aluminum Black Anodized Pin Style-Flat Mount
CLICK IMAGE TO OPEN

NOTE: Some features indicated by specifications listed are prohibited by FCC rule and are not available on models sold in the U.S. or its territories.
Note: Features and specifications subject to change without notice
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Multec Communications
319 Centre Ave.  #166
Rockland, MA  U.S.A.   02370-2613
781 294-4992 main
781 527-5004 fax (include return email w/fax)


Main 781 294-4992
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         All pricing and specifications subject to change without notice.