The Maxon SD-170EX Series is a professional two-way radio designed for wireless applications. It has adjustable power output, a DE9 male connector, BNC antenna connection, and LED status indicator. The die cast aluminum cabinet provides durability in extreme conditions. The radio is available in VHF and UHF bands with 5/1 watt power output and is used globally in applications like security, irrigation, utilities, vehicle tracking, and water treatment.

1. CHOOSE WELL...
CHOOSE WISELY...
CHOOSE MAXON...
SD-170EX SERIES PROFESSIONAL TWO-WAY RADIO
The Maxon data/telemetry radios are designed to meet the needs for a variety of wireless applications.
Adjustable power output settings provide the optimum power required. The SD-170EX Series incorporates
the most often requested mechanical footprint, DE9 male connector, and BNC antenna connection. The
LED provides you instant status of the radio. The die cast aluminum cabinet/lid provides resistance to RF
interference; and gives exceptional environmental durability in the most extreme conditions.
Whether a new or legacy system, the Maxon SD-170EX Series is the choice of OEM and end users worldwide.
Maxon has been a trusted name in the data/telemetrymarket for over 20 years.
Applications
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
SD-170EX Series Features
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DE9 Male Connector
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CTCSS/DCS Encode/Decode
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Available VHF/UHF Bands
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* Not to scale
LED Status Indicator
16 Channels (Dip Switch select)
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5/1 Watt Power Output
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12.5/25 kHz Channel Bandwidth
210612
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2. Frequency Bands
•SD-171EX - 5/1 Watt VHF (142-174 MHz)
•SD-174EX - 5/1 Watt UHF (450-490 MHz)
Specifications
Vehicle tracking
Water
Transmitter
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Output Power
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FM Hum & Noise
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Modulation Sensitivity
100mV RMS (60% peak dev)
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Spurious Emissions
-36dBm
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Frequency Deviation
Peak±2.5min, ±1.9kHz
(12.5kHz)
Peak±5.0min, ±3.8kHz
(25kHz)
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Adj Channel Power
(12.5kHz)
70dBc(25kHz) 60dBc
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Audio Response
+1, -3dBc from 6dBc per
octave pre emphasis characteristics from 300∼30000Hz
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Channel Bandwidth
12.5/25kHz
PLL Channel Step
2.5kHz, 5kHz, 6.25kHz
Power requirement
9-18 V DC, 12V Nominal
Current Drain
Tx Hi: 2.0, Tx Lo: 1A Stdy
65mA
Temperature Range
-22˚ to 140˚F-30˚ to 60˚C
Weight
267g
Lock time
<10min
LED Status
Yellow - Busy
Green - Receive/Decode
Red - Transmit
TX Time out timer
Carrier Detaect
Busy Channel Lock out
BNC Female Antenna Connector
Squelch - Software aligned
VHF/UHF 5/1 Watt
40dB (12.5kHz,
40dB (25kHz)
Receiver
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Sensitivity
0.30μV (12.5 kHz),
0.28μV (25 kHz)
Dimensions
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Selectivity
65dB (12.5 kHz),
70dB (25 kHz)
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Intermodulation
70dB
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Spurious Emissions
-57dBm (9kHz - 1GHz),
-47dBm (1GHz - 4GHz)
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Approvals
RX Hum and Noise
40dB (12.5 kHz),
40dB (25 kHz)
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Spurious and Harmonic
65dB
• CE
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Receiver Response Time
<16 ms
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Squelch Attack Time <20/40 ms (RSSI/Analog) RF Level
<10/30 ms (RSSI/Analog) RF Level +20dB
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Squelch Decay Time
5 ms Min., 20 ms Max.
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Audio Output Power
0.5 Watt
Irrigation
Security
117x62x35mm
• FCC
Transport
Utilities
www.maxon.com.au
T | +612 8707 3000 ● F | +612 8707 3001 ● E | sales@maxon.com.au ● 36A Gibson Avenue, Padstow NSW Australia 2211 ● www.maxon.com.au