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RF302 UHF Radio Transceiver
Services Available
Repair No
Calibration No
Free Support No

Overview

NOTE: The RF300-series transceivers are still available for customers who already own RF300-series transceivers, but for newer radio customers, the RF320-series is usually a better choice.

The RF302 is a DRL UHF radio transceiver for customers who will have an FCC-assigned frequency in the range of 450 to 470 MHz. It's programmed to an exact user-specified frequency by Campbell Scientific using special software.

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The RF300-series are radio transceivers used in Campbell Scientific radiotelemetry networks. The following table shows the frequency ranges assigned to each model.

Model Type Frequency
RF300 VHF 150 to 174 MHz
RF301 VHF 132 to 150 MHz
RF302 UHF 450 to 470 MHz
RF303 UHF 403 to 419 MHz
RF304 UHF

419 to 435 MHz
435 to 451 MHz
464 to 480 MHz
480 to 496 MHz
496 to 512 MHz



These transceivers meet NTIA narrowband and FCC re-farming requirements for transmission.


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Detailed Description

NOTE: The RF300-series transceivers are still available for customers who already own RF300-series transceivers, but for newer radio customers, the RF310-series is usually a better choice.

The RF302 is a Dataradio 3412-510 UHF radio transceiver for customers who have an FCC-assigned frequency in the range of 450 to 470 MHz. The transceiver 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 最大95% RH 40°C(不结露)
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
CR850
CR9000(retired)
CR9000X(retired)

Additional Compatibility Information

Radios, Radio Modems, and Radio Base Stations

The RF302 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 RF302 is NOT compatible with the RF310M radio modem, RF310B Base Station, and RF310-series radios.


Frequently Asked Questions

Number of FAQs related toRF302:1

  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 byPasternack. Note that using a device like this will induce additional losses into the system (3 to 4 dB, typically).

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