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Short Range Modem Pair
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WatchDog Short-Range Modem

Use short-range modems to maintain signal on longer connections.

Quantity Item Name Item Number Price
WatchDog Short-Range Modem 3365WD3 $425.00
Product Features

Short Range Modem Pair

•  Use short-range modems to maintain signal on wired connections up to
   4,000 ft (1.2 km)
•  Has 9-pin serial connection on PC end

  • Cable Length:<4000 ft (1200 m) @ shunt capacitance of 16 pF/ft (48 pF/m)
  • Baud Rate: 9600 bps
  • Communication:RS-485 Full Duplex
  • Optical Isolation:1500 Volts RMS
  • Echo feature: Yes (Station Adapter)
  • Housing Material:ABS Plastic
  • Station Adapter Enclosure Dimensions (H x L x W):1.1 x 3.3 x 1.7 in (2.8 x 8.4 x 4.3 cm)
  • Computer Adapter Enclosure Dimensions (H x L x W):1.2 x 4.0 x 2.5 in (3.1 x 10.2 x 6.3 cm)
  • Operating Humidity Range (Station Adapter):1% to 100% Non-condensing
  • Operating Temperature Range (Station Adapter):-20° to 140°F (-29° to 60°C)
  • Operating Humidity Range (Computer Adapter):1% to 95% Non-condensing
  • Operating Temperature Range (Computer Adapter):32° to 122°F (0° to 50°C)
  • AC Power Supply:Input = 100- 240VAC (50-60Hz), output = 12V @ 0.5A, Barrel Plug, 2.5mm
  • Operating Voltage:10V to 14V
  • Terminal Connection:12V = Supply 12VDC, GND = System Ground, TB = TXD (low), TA = TXD (high), RB = RCV (low), RA = RCV (high)
  • Terminal Block:16 - 28 AWG, Torque = 3in-lb (0.2Nm)
  • Status:RCV LED = receiving data, TXD LED = sending data, PWR = Adapter Power
  • Agency Approvals (Computer Adapter):CE, FCC, cULus Listed, file E222870
  • Agency Approvals (Power Supply): UL/cUL, GS, RCM, CCC, PSE, CE, UKCA
  • RoHS Compliant:Yes
  • Note: Station Adapter must be used inside weather station enclosure to assure protection from direct exposure to the weather

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