The TX312 is a High Data Rate GOES Transmitter. The transmitter complies with the HDR specifications, and supports transmission rates of 100, 300, and 1200 bps. Diagnostics and status information can be sampled by the da...

The ST-21 replaces the ST-20. The ST-21 is functionally equivalent, but contains Telonics new transmitter module. Campbell Scientific's ST-21 is a Service Argos-certified platform transmitter terminal (PTT). The ST-2...

The VSP3 Vosponder, manufactured by DACOM Technologies, Inc., allows customers to call their site using a hand-held UHF or VHF radio and receive a verbal report of real-time site conditions. Ideal applications include fi...

This RF modem will continue to be available, but Campbell Scientific recommends the RF500M modem for RF networks that use PakBus dataloggers. The RF95A is used with our RF300-series radios. It provides an RF communicatio...

The RF232A includes a 110/220 Vac to 12 Vdc transformer, RF95A modem, RS-232 port, and internal mount for a radio. The RF232A is always located at the base station computer and serves as a link to field stations and repe...

The RF310M Modem provides the communication interface between one of our dataloggers and a Maxon/Midland radio. The modem is typically powered by the 5 V power supply from the datalogger's serial I/O port. When the m...

The RF313 is a Midland UHF transceiver that supports the 400 to 430 MHz frequency range. This rugged transceiver can support up to 254 dataloggers on a single frequency. Each station can transmit up to 25 miles line-of-s...

The RF312 is a Midland UHF transceiver that supports the 440 to 470 MHz frequency range. This rugged transceiver can support up to 254 dataloggers on a single frequency. Each station can transmit up to 25 miles line-of-s...

The RF310 is a Midland VHF transceiver that supports the 148 to 174 MHz frequency range. This rugged transceiver can support up to 254 dataloggers on a single frequency. Each station can transmit up to 25 miles line-of-s...

This RF base station is for PakBus networks with UHF/VHF radios. The RF500B resides at the computer site and serves as a link between field stations and repeater stations. It includes an RF500M Radio Modem connected to a...