Modem Radio Spread-Spectrum 922 MHz Campbell Scientific RF412

Thương hiệu: Campbell Scientific | Tình trạng: Còn hàng
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RF412 922 MHz Spread-Spectrum Radio

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Modem Radio Spread-Spectrum 922 MHz Campbell Scientific RF412


The RF412 is a high-speed 900 MHz serial radio designed for unlicensed operation in several countries, including Australia and New Zealand. The RF412 is a 915 to 928 MHz frequency-hopping spread-spectrum radio with a configurable transmit-power output of 5 to 250 mW and software-selectable channel masking for improved RF interference immunity. This power-sipping, yet speedy, radio provides a cost-effective way to network dataloggers. 

The RF412 is part of the RF407-series of radios that includes:

  • RF407: North America (FCC & IC), 902 to 928 MHz

  • RF412: Australia (ACMA RCM), 915 to 928 MHz

  • RF422: Most of Europe and some of Asia (ETSI), 863 to 870 MHz

Note to RF411A users: The RF411A is factory upgradeable to an RF412. Contact Campbell Scientific for a Returned Material Authorization (RMA).

Benefits and Features

  • Does not require individual operational license in Australia or New Zealand

  • High-speed serial communication, optimized for PakBus networks

  • Low power (< 2 mA idle) during periods of inactivity

  • Supports point-to-point with RF retries and point-to-multipoint operations

  • Remote diagnostics using PakBus node operations


Radio Type

Frequency Hopping Spread Spectrum (FHSS)


915 to 928 MHz

Power Output

5 to 250 mW (software-selectable)

Receiver Sensitivity

-101 dBm

Channel Capacity

Seven 25-channel hop sequences sharing 31 available channels

Data Rate

200 kbps

Link Throughput

105 kbps (maximum)

Antenna Connector

Reverse Polarity SMA (RPSMA) jack


Red TX/PWR and green RX

RS-232 Baud Rate

1200 to 115200 bps

CS I/O Modes

SDC 7, 8, 10, 11, and ME master

Operating Temperature Range

-40° to +70°C


9 to 16 Vdc

Power Connector

2.5 mm DC power jack

Current Required

  • Transmit: 80 mA (250 mW TX Power)

  • Receive: 15 mA

  • Sleep: 0.5 mA (depending on power saving mode)

Communication Ports

  • RS-232 9 pin D female

  • CS I/O 9 pin D male

  • USB Type B jack


11.1 x 6.9 x 2.7 cm (4.4 x 2.7 x 1.1 in.) 
Dimension are from the tip of the antenna connector to the other side of the case, and from the bottom of the case to the top of the DB9 connector jack screw. The width includes the thickness of the screw heads on the screws that hold the case together.


  • 136 g (4.8 oz) without "Ships With" items

  • 283.5 g (10 oz) with "Ships With" items




United States (FCC Part 15.247)


Industry Canada (IC)




RF407 and RF412 900 MHz Spread Spectrum Radios


RF407-Series Spread Spectrum Radios

Technical Papers

Line of Sight Obstruction

The Link Budget and Fade Margin

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