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SD-125U2 440-470 MHz
Maxon's SD-125 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.
Whether implementing a new system or installing into an existing system,
the Maxon family of data telemetry radios have been the choice of OEM
and end-users worldwide for over 25 years.
Features:
- SD-125 Series User Manual
- Synthesized Frequency Tuning
- 1 or 5 Watts RF Output
- 148-174 MHz VHF - V2
440-470 MHz UHF - U2 (Current Model listed on this page)
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
- DB-9 Male Connector
- 12.5/25 kHz Channel Spacing
- Carrier Detect
- Busy Channel Lockout
- BNC Female Antenna Connector
- Carrier Detect
- Complies with NTIA Specifications
- Die-Cast Aluminum Housing
- TX Time Out Timer
- PC Programming via Software and Cable (OEM Programming Cable No Longer Available - see next bullet point)
- Build your own Programming Cable - Diagram HERE
- NOTE: Original Programming Cable / Kit No Longer Available (ACC-2005 or QPA-4000/ACC-2000)
- Call for Assistance
- Pay using PayPal: no PayPal account needed
Applications:
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
General Specifications | ||
Parameter: | 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 | ||
Parameter: | 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 | ||
Parameter: | 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: 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.
Maxon SD-125U2 - SD-125 Series UHF 440-470 MHz Data Telemetry Radio w/DB-9 Pin Male
- Brand: Maxon America, Inc.
- Product Code: SD-125U2
- Availability: NO LONGER AVAILABLE
-
$0.00
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Tags: sd-125u, sd-125u2, uhf, data, radio, sd-125, de-9, db-9, maxon, sd125, maxon sd-125u