Communications

Direct connect, telephone, radio, ethernet and satellite communications.

	COM220 Land Line Phone Modem The COM220 modem enables communications between a computer and a Campbell datalogger via a public switched telephone network. More...		Direct Connection & Displays Options for connecting to the datalogger while on-site. More...
	MD485 Multidrop Interface for RS485 The MD485 is an intelligent RS-485 interface that permits a PC to address and communicate with one or more dataloggers over a line distance of up to 4000 ft. More...		NL100 Network Link Interface The NL100 Network Link Interface is a 10baseT ethernet communication peripheral that connects to any Campbell datalogger via the RS232 or CSI/O port. More...
	NL115 & NL120 Ethernet Interface The NL115 & NL120 are 10baseT ethernet interface devices that can be plugged into the peripheral port on the CR1000 and CR3000 dataloggers. More...		RF411 922 MHz Spread Spectrum Radio The RF411 spread spectrum transceiver has an operating frequency range of 920 to 928 MHz, which is allocated to New Zealand. More...
	RF450 High Power Spread Spectrum Radio A spread spectrum radio that provides a solution for wireless network communications over distances of up to 85 kilometres. More...		ST-20 Argos Satellite Transmitter The ST-20 is currently end-of-line, however, the replacement ST-21 will be available shortly. More...

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