Radios, RF Modem, Base Station Package

Models RF300 - RF304, RF95A, RF232A

The RF95A modem, RF232A Base Station, and RF300-RF304 radios are used in Campbell Scientific radiotelemetry

networks. The radios are VHF- and UHF-synthesized data transceivers manufactured by Johnson Data Telemetry

Corporation.

Features:

•

Meets NTIA narrowband and FCC re-farming requirements for transmission

•

Allows programming of the radio to your FCC-assigned frequency using optional software. Contact CSI for details

•

Compatible with our CR510, CR10(X), 21X, CR23X, and CR7 dataloggers

•

Backward compatible with RF stations that use older radio models, e.g., P50, RF100, RF200. (Note: Not compatible

with Maxon Radios, e.g. RF310, RF312, RF313).

Ordering Information

A Federal Communication Commission license is required before ordering radios. When you obtain your FCC license,

the FCC will assign you a frequency. This frequency must be specified at time of order so that the radios can be pro-

gramed to that frequency.

The model number of the radios indicates the frequencies that the radio will support:

•

RF300

VHF Radio, 150 to 174 MHz

•

RF301

VHF Radio, 132 to 150 MHz

•

RF302

UHF Radio, 450 to 470 MHz

•

RF303

UHF Radio, 403 to 419 MHz

•

RF304

UHF Radio, 419 to 435, 435 to 451, 464 to 480, 480 to 496, 496 to 512 MHz

•

13855

Optional push-to-talk switch that

triggers a brief transmission to verify

operation of radio

•

RF95A

RF Modem

•

RF232A

Base Station Package

CAMPBELL

SCIENTIFIC

INC.

MD9

MULTIDROP INTERFACE

MADE IN USA

SERIAL I/O

TRANSCEIVER

CARRIER DETECT

FCC ID: ATH90F0233420050

E.F.JOHNSON CO. U.S.A.

DL 3420

E.F. JOHNSON CANADA INC.

mfg by E.F. JOHNSON USA

DOC T.A. 89178

Serial No3400T144A 17858

PS12 POWER SUPPLY

WITH 12V CHARGING REGULATOR

MADE IN USA

WARNING:

PERMANENT DAMAGE TO RECHARGEABLE

CELLS MAY RESULT IF DISCHARGED

BELOW 10.5 VOLTS

FUNCTION

INT

EXT

CHG

CHG

CHG

+12

+12

PS12 BATTERY

EXTERNAL BATTERY - DO NOT USE WITH

INTERNAL RECHARGEABLE BATTERY

CHARGE VOLTAGE PRESENT

INPUT FROM CHARGER OR SOLAR PANEL

16-26 VDC OR AC RMS: POSITIVE TO

EITHER TERMINAL, NEGATIVE TO OTHER

POWER TO DATALOGGER OR

12V PERIPHERALS

SE

DIFF

G

GH

L

12

1

AG H

L

AG H

L

AG E1

AG E2 G

34

2

56

3

SE

DIFF

G

GH

L

78

4

AG H

L

AG H

L

AG E3

AG G

G

910

5

11

12

6

P1 G

P2

G C8 C7 C6 C5 C4 C3 C2 C1

G 12V 12V

SDM

5V 5V G

G

SW 12V

SW 12V CTRL

Logan, Utah

G12V

G12V

POWER

IN

CR10X WIRING PANEL

MADE IN USA

WIRING

PANEL NO.

EARTH

GROUND

CS I/O

Solar Panel

Yagi (directional)

Antenna

Enclosure

Grounding Rod

CR10X

Datalogger

PS12LA

Power

Supply

RF95A RF Modem

RF300 Radio

A typical RF field station located on a

CM10 tripod-based weather station