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Maxon Logo
Midland Two-Way Radio
SD-171EV
SD-174EU

Maxon Synthesized 5 Watt RF Data Link Radio Telemetry Module

SD-161EV SD-161EU Maxon Synthesized RF Data Link Module

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Includes: FREE Programming

Lowest Price Guarantee
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***Up to 16 Channels Programmed FREE***

$ Qty
VHF 142-174 MHz
Maxon SD-171EV
12.5/15/25/30 KHz Ch Spacing
16 Channel - 5 Watts
NOTE-NEW E SERIES

$ Qty
UHF 450-490 MHz
Maxon SD-174EU
12.5/25 KHz Ch Spacing
16 Channel - 5 Watts
NOTE-NEW E SERIES

 

Vehicular Tracking and Data

Maxon SD-161 & SD-164 series ACC-515 GPS Receiver in Vehicle


SD-161V SD-161U Series  ACC-515 internal GPS Receiver Board

GPS Receiver Option for
Vehicle Location ACC-515
(internally mounted GPS receiver board)

ACC-160 GPS Antenna by Maxon
ACC-160 GPS Antenna

Maxon Wireless Data Link Modules are FCC certified (pending) for use in the U.S.A. and its possessions.  Maxon's SD-171E & SD-174E Series Data Modules are manufactured under ISO 9002 quality standards and are IC approved (pending) for sale in Canada.


The new Maxon SD-170E Series RF Data Link Telemetry Radio delivers reliable 2-way communication & remote control for a variety of application needs. Available as VHF (SD-171) or UHF (SD-174) with 1 or 5 Watts programmable output and 16 channels. The SD-170 Series provides reliable data or voice communication at all times. Crystal clear audio quality makes the SD-170 Series an ideal radio for golf course and emergency call boxes. When paired with the optional GMSK or FFSK modem board, the SD-170 Series transmits and receives data for wireless security systems, or it can be used in conjunction with police mobile data terminals for license tag checks. The optional GPS receiver turns the RF data radio into an Automatic Vehicle Location system for tracking fleet movement and communicating data directly to a computer

Features:

  • Synthesized Frequency Tuning
  • 1 or 5 Watts Programmable
    RF Output Power
  • 148-174 MHz VHF
    450-490 MHz UHF
  • Programmable up to 16 Channels
    (Channel selection via dip switch or
     serial command)
  • CTCSS / DCS Tone Signalling
  • 2-Tone Decode
  • Scan / Power Save
  • LED Status Indicator
    Time-out-timer / Busy Ch Lockout
  • Marked Idle / TX Delay
  • Courtesy Beep
  • Programmable Wide/Narrow Band
  • Operates from 9V to 18 VDC
  • Complies with NTIA Specifications
  • Die-Cast Aluminum Housing
  • Time-Out-Timer Function
  • 15-Pin Interface Connector (DB15)
    (See connector pin-outs below)
  • PC Programming via Software and Cable (optional)

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

Main Accessories:

GPS Receiver Option
(SD-171 shown with GPS receiver board installed)
(ACC-515)

Maxon SD-161 & SD-164 series ACC-515 GPS Receiver

  • Perfect for Vehicle Location and Tracking
  • Relay important data directly to computer

Tough Conditions are No Problem for Maxon RF Data Modules

Tough Conditions?
No Problem for Maxon RF Data Link Modules

   

 

 Optional Accessories - Antennas
Model # Description Price

 TB-150BN  6" VHF 148-174 MHz Antenna w/BNC  (uncut)
   $14.00 
 TB-450BN  6" UHF 440-470 MHz Antenna w/BNC connector
   $14.00 
 ACC-160  GPS Antenna
   $39.00 
 Optional Accessories - Signaling
Model # Description Price

 ACC-513  GSMKS 9600 Baud Modem board
   $93.00 
 ACC-514  FSSK 4800 Baud Modem board
   $93.00 
 ACC-515  GPS Receiver - solder in PCB w/SMA female
 connector- requires GPS antenna (ACC-160 or similar)
 $162.00 
 Service Equipment - Programming / Manuals
 ACC-2016E  PC Programming Cable E SERIES
  (Requires  ACC-916E below)

   $40.00 

 ACC-916E  PC Programming Software (CD-ROM)  WARNING!
 (Includes Disk & Instructions) E SERIES

   $30.00 

 ACC-2016  PC Programming Cable NON-E SERIES
  (Requires  ACC-916 below)
   $47.00 
 ACC-916CD  PC Programming Software (CD-ROM)  WARNING!
 (Includes Disk & Instructions)
NON-E SERIES
   $36.00 
 SVM-170E  SD-171E / SD-174E Series Service Manual E-SERIES

   $25.00 

 680-100-2014  SD-171 / SD-174 Series Service Manual NON-E

   $28.00 

 ACC-516  SD-171E / SD-174E Extender Board Service Aid
 E SERIES ONLY

   $18.00 

 ACC-17AH  SD-171E / SD-174E Series Adaptor/Harness
 NOTE: Adapts SD-170E series to SD-170 Series
 Electrical connections - Allows PLUG & PLAY
   $40.00 
    Wt    $  Qty
 

 
General Specifications  
  Maxon VHF SD-171 Maxon UHF SD-174
Frequency Range 148-174 MHz 450-490 MHz
FCC ID Number pending pending
FCC Parts Parts  22, 74, 90.210
Channels 1 to16 dip switch selectable or external serial command
Channel Spacing 12.5 / 15 / 25 / 30 KHz 12.5 / 25 KHz
Channel Stepping

5.0 / 6.25 / 7.5 KHz

5.0 / 6.25 KHz

Channel Spread 26 MHz 40 MHz
Frequency Stability

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

Attack Time

RX to TX - 20 ms    /     TX to RX - 20 ms (no power saving)

PLL Lock Time 10 ms
Squelch Attack Time

RF Level @ Threshold - 40 ms  /  RF Level @ Threshold +20dB - 30 ms

Squelch Decay

5 ms min / 20 ms max

Baud Rate GMSK

Up to 9600

Baud Rate FFSK

Up to 4800

Dimensions [HWD]

4-5/16" x 2-5/16" x 1-1/4" [125 x 58 x 32 mm]

Weight

8.9 oz [253 gm]

Materials

Die-cast Aluminum

IC Certification Number

pending

pending

 
ANSI/TIA/EIA-603 Receiver Specifications
  Maxon VHF SD-171 Maxon UHF SD-174
Frequency Stability 2.5 PPM
Sensitivity (12dB SINAD) 0.25 uV VHF 0.25 uV UHF
Sensitivity (20dB Quieting) < 0.5 uv @ center channel
Selectivity 70dB (25 KHz) / 65dB (12.5 KHz)
Spurious Rejection

-65dB

Intermodulation

-70dB

Audio Output

250 mV @ 8 Ohms (filtered)   250 mV RMS @ 10k Ohms (unfiltered)

Audio Distortion

< 5% @ 1 KHz

Hum & Noise

-40 dB

Input Impedance 50 ohms
 
ANSI/TIA/EIA-603 Transmitter Specifications
  Maxon VHF SD-171 Maxon UHF SD-174
RF Power Output.

1 or 5 Watts programmable

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

-40dB

Audio Distortion <2% @ rated modulation
Modulation Limiting 2.5 KHz max. [12.5 KHz] ,  5 KHz max. [25 KHz]
Unfiltered Modulation 100 mV RMS (input)  7 mV RMS (filtered mod input)

Data Connector Pin Configuration
ORIGINAL VERSION

Maxon SD-161 & SD-164 series Data Port pin assignments

  1. Data modulation input - Analog input (Nominal modulated level Input - 100 mV RMS)
  2. Data unfiltered output - Analog output (Nominal demodulation output level - 250 mV RMS @10K)
  3. PTT- M level (or RS-232 level with modem option)
  4. Ground
  5. Serial data output for radio control or program - TTL level
  6. Busy detect - TTL level (or RS-232 level with modem option)
  7. Microphone filtered audio input - Analog Input  (Nominal modulated level input - 7 mV RMS)
  8. Serial data input for radio control or program- TTL level
  9. Speaker filtered output - Analog output (Nominal demodulation output level - l V RMS @ 8)
  10. Serial data input for option modem - RS-232 level
  11. Serial data busy for option modem - RS-232 level
  12. Serial data busy for option modem - RS-232 level
  13. GPS data input- TTL level (NMEA 0183 formal)
  14. DGPS data input - TTL level (NMEA 0183 format)
  15. GPS data output - TTL level (NMEA 0183 formal)


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   781-294-4993 fax (include return email w/fax)


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         All pricing and specifications subject to change without notice.