RETIRED ›
This product is no longer available and has been replaced by: RF323,RF321,RF322.
RF304 UHF Radio Transceiver
Services Available
Repair No
Calibration No
Free Support No

Overview

The RF304 is a DRL UHF radio transceiver that is programmed to an exact user-specified frequency by Campbell Scientific using special software.

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Detailed Description

The RF304 is a Dataradio 3412 UHF radio transceiver that is programmed to an exact user-specified frequency by Campbell Scientific using special software.

Besides the radio, each field station and repeater station must also have an RF500M Radio Modem or RF95(A) Radio Modem; base stations need an RF500M radio modem, RF500B base station, or RF232(A) base station.

Specifications

Power Output 5 W (at 13.3 V nominal)
Frequency Control Synthesized
Channel Spacing 12.5/25 kHz
Operation Voltage
  • 13.3 Vdc (nominal)
  • 10 to 16 Vdc (operational)
Current Drain
  • 50 mA (quiescent)
  • ~ 1.5 A (while transmitting)
Operating Temperature -30° to +60°C
Humidity 95% maximum RH at 40°C (non-condensing)
Dimensions 11.7 x 8.4 x 5.6 cm (4.6 x 3.3 x 2.2 in.)

Compatibility

Note: The following shows notable compatibility information. It is not a comprehensive list of all compatible or incompatible products.

Data Loggers

Product Compatible Note
21X (retired)
CR10 (retired)
CR1000 (retired)
CR10X (retired)
CR200X (retired)
CR206X (retired)
CR211X (retired)
CR216X (retired)
CR23X (retired)
CR295X (retired)
CR3000 (retired)
CR500 (retired)
CR5000 (retired)
CR510 (retired)
CR800 (retired)
CR850 (retired)
CR9000 (retired)
CR9000X (retired)

Additional Compatibility Information

Radios, Radio Modems, and Radio Base Stations

The RF304 is compatible with the RF500M radio modems, RF500B base stations, RF95(A) radio modems, RF232(A) base stations, E.F. Johnson-series radios, and P50-series radios. The RF304 is NOT compatible with the RF310M radio modem, RF310B Base Station, and RF310-series radios.


Frequently Asked Questions

Number of FAQs related to RF304: 1

  1. It is possible to connect two antennas to a single radio via a properly specified (operating frequency and power handling capability) two-way, 50 ohm RF power divider. One example of this type of power divider is offered by Pasternack. Note that using a device like this will induce additional losses into the system (3 to 4 dB, typically).

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