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Maxon Logo
Midland Two-Way Radio
SD-125ELV
SD-125ELU

Maxon Synthesized RF Data
Link Radio Telemetry Module

SD-125EV SD-125EU Maxon Synthesized RF Data Link Module

For Guaranteed Lowest Pricing...

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Includes: FREE Programming

Lowest Price Guarantee
Visa, MasterCard, Discover and American Express Accepted
***Up to 16 Channels Programmed FREE***

$ Qty
VHF 148-174 MHz
Maxon SD-125EV2
12.5/15/25/30 KHz Ch Spacing
16 Channel - 1/5 Watts
NOTE-NEW E SERIES

$ Qty
UHF 440-470 MHz
Maxon SD-125EU2
12.5/15/25/30 KHz Ch Spacing
16 Channel - 1/5 Watts
NOTE-NEW E SERIES

$ Qty
UHF 400-430 MHz
Maxon SD-125EU1
12.5/15/25/30 KHz Ch Spacing
16 Channel - 1/5 Watts
NOTE-NEW E SERIES


SD-125EV SD-125EU Maxon Synthesized RF Data Link Module side view
Maxon Wireless Data Link Modules are FCC certified for use in the U.S.A. and its possessions. Maxon's SD-125EV & SD-125EU Series Data Modules are manufactured under ISO 9002 quality standards and are IC approved for sale in Canada.


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

Check Out the SR-125 Repeater
Built using SD-125 Series Data Radios
Maxon SR-125 Repeater


Maxon's SD-125E RF Data Link Radio Telemetry modules allow RF signals to be exchanged with devices like emergency assistance "call boxes", irrigation systems and electronic signs, making them perform with more reliability. Compact size and multi-voltage DC connection capability gives the module flexibility in use. Add an external modem, and up to 1200 BPS data can also be exchanged, further extending the module's versatility in and around your World.

Features:

  • Synthesized Frequency Tuning
  • 1 or 5 Watts RF Output
  • 148-174 MHz VHF
    440-470 MHz UHF - U2
    400-430 MHz UHF - U1
  • Programmable up to 16 Channels
  • Programmable Wide/Narrow Band
  • Operates from 9V to 18 VDC
  • Carrier Squelch ONLY
  • Complies with NTIA Specifications
  • Die-Cast Aluminum Housing
  • Time-Out-Timer Function
  • 9-Pin Interface Connector (DB9)
  • PC Programming via Software and Cable (optional)

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

Main Accessories:

Expansion Lid Kit
(560-080-0057)

Maxon SD-125E series RF Data Link Module Expansion Lid
NO LONGER AVAILABLE

  • Increases cavity height of SD-125 by .219"
  • Includes lid, 4 screws and washers

CTCSS Encoder / Decoder
(SD-010)

Maxon SD-125 series RF Data Link Module CTCSS Encoder / Decoder
NO LONGER AVAILABLE
Use external (Midian TDS-1)
Encoder/Decoder if needed

  • Increases privacy during audio applications
  • Operates on all 38 EIA standard CTCSS tones
  • Installation requires expansion lid kit (above)

1200 Baud Modem
(SD-FSK / Bell 202)

Maxon SD-125E series RF Data Link Module 1200 Baud Modem
NO LONGER AVAILABLE

  • Accepts low speed data to provide monitoring and control of external devices
  • Includes high density 15 pin connector, standoffs, installation hardware and instructions
  • Installation requires expansion lid kit (above)

1200 Baud Modem with built in CTCSS encoder / decoder
(SD-FSK / Bell 202 CTCSS)

Maxon SD-125 series RF Data Link Module 1200 Baud Modem with built in CTCSS encoder / decoder
NO LONGER AVAILABLE

  • Provides both low speed data and audio functions for monitoring and control applications
  • Uses all 38 EIA standard CTCSS tones
  • Includes high density 15 pin connector, standoffs, installation hardware and instructions
  • Installation requires expansion lid kit (above)
   

SETUP DIAGRAM
(similar type)

 Optional Accessories - Antennas
Model # Description Price

 TB-150BN  6" VHF 148-174 MHz Antenna w/BNC
   $14.00 
 TB-450BN  6" UHF 440-470 MHz Antenna w/BNC
   $14.00 
 Optional Accessories - Signaling
Model # Description Price

 560-080-0057  Expansion Lid Kit (required for signaling modules)
 
   NO LONGER AVAILABLE
     $0.00 
 SD-010  CTCSS Encoder/Decoder (requires 560-080-0057)
    NO LONGER AVAILABLE - use NON-OEM
    external (Midian TDS-1) Encoder/Decoder if needed
     $0.00 
 SD-FSK /
 Bell 202
 1200 Baud Modem (requires 560-080-0057)
    NO LONGER AVAILABLE
     $0.00 
 SD-FSK /
 Bell 202 CTCSS
 1200 Baud Modem w/CTCSS (requires 560-080-0057)
    NO LONGER AVAILABLE
     $0.00 
 Service Equipment - Programming / Manuals
 ACC-2125  PC Programming Cable (includes manual)
 
(Requires -  ACC-900E)  E SERIES

   $40.00 

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

   $40.00 

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

   $29.00 

 ACC-2005  PC Programming Cable (includes manual)
 
(Requires -  ACC-900CD) NON-E SERIES
   $47.00 
 ACC-2015  Squelch Adjustment Cable (includes manual)
  (Requires -  ACC-900CD)
NON-E SERIES
   $47.00 
 ACC-900CD  PC Programming Software (Windows) NON-E
  (Requires-ACC-2005 for prog/ACC-2015 for squelch)
   $36.00 
 593-517 
(650-060-0016)
 SD-125(E) Extender Board Service Aid
   $20.00 
 SVM-125E  SD-125EV / SD-125EU Service Manual E SERIES

   $18.00 

 680-100-2004  SD-125V / SD-125U Service Manual NON-E
   $25.00 
     Wt    $ Qty
 

 
General Specifications  
  Maxon VHF SD-125V2 Maxon UHF SD-125U1/2
Frequency Range 148-174 MHz 440-470 MHz U2
400-430 MHz U1
FCC ID Number F3JSD125V2 F3JSD125U1 (U2)
FCC Parts Parts  22, 74, 90, 210
Channels 1 to16 dip switch selectable
Channel Spacing 12.5 / 15 / 25 / 30 KHz
Channel Stepping

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,  13V nominal

Current Drain @9V

56 mA Standby / 73 mA Rx / 1.8A Tx

Current Drain @13V 42 mA Standby / 63 mA Rx / 1.4A Tx
Current Drain @18V

32 mA Standby / 58 mA Rx / .9A Tx

Operating Rating

90 : 5 : 5 - Standby/Rx/Tx [max settings]

Dimensions [HWD]

4 5/8" x 2 7/16" x 1 3/16" [117 x 62 x 30 mm]

Weight

7.7 oz [218 gm]

Materials

Die-cast Aluminum

IC Certification Number

153 195 332

153 195 333A

 
ANSI/TIA/EIA-603 Receiver Specifications
  Maxon VHF SD-125V2 Maxon UHF SD-125U1/2
Frequency Stability 5 PPM 2.5 PPM
Sensitivity (12dB SINAD) 0.28 uV VHF 0.35 uV UHF
Sensitivity (20dB Quieting) < 0.5 uv @ center channel
Selectivity 60dB (25 KHz) / 50dB (12.5 KHz)
Spurious Rejection

-70dB

Intermodulation

-65dB

Audio Output

2.5V @ 600 Ohms; method < 10% THD level

Audio Distortion

< 5% @ 1 KHz

Hum & Noise

-40 dB

Input Impedance 50 ohms
 
ANSI/TIA/EIA-603 Transmitter Specifications
  Maxon VHF SD-125V2 Maxon UHF SD-125U1/2
RF Power Output.

1 or 5 Watts  per channel

Frequency Stability 5 PPM 2.5 PPM
Modulation 11K0F3E / 16K0F3E  / 19K6F3E
Spurious & Harmonics -60dBc
FM Hum & Noise

-40dB

Audio Distortion <10% @ rated modulation
Modulation Limiting 2.5 KHz max. [12.5 KHz] ,  5 KHz max. [25 KHz]
Modulation Sensitivity 100 mV RMS   @ 60% peak dev.

Note: Complies with NTIA Specifications
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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If you have questions about ordering please see  ordering information page  first. Phone orders slow processing time, increase inaccuracies and are not recommended.

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         All pricing and specifications subject to change without notice.