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Appendix h. rf300 radio specifications – Campbell Scientific RF300-Series DRL VHF/UHF Radio Transceivers User Manual

Page 53

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H-1

APPENDIX H. RF300 RADIO SPECIFICATIONS

TABLE H-1. RF300 Radio Specifications - UHF

GENERAL

Frequency Range

403 - 512 MHz

Frequency Control

Synthesized

Channel Spacing

12.5/25 kHz

Mode of Operation

Simplex of Half Duplex

Operation Voltage

+13.3V DC nominal (10 -16V DC operational)

Regulated Supply Voltages

+5.5V DC, +9.6V DC

Transmit Enable

3-16V DC at 100

µ

A Max

Receive Enable

3-16 DC

±

5% at 150

µ

A nominal (150

µ

A During receive)

Transceiver Enable

3-16V DC at less than 150

µ

A

Power and Data Connector

15-pin in-line Socket (Dupont 76308-14)

RF Input/Output Connector

SMA Jack (female)

Operating Temperature

-30

°

C to +60

°

C

Storage Temperature

-40

°

C to + 85

°

C

Humidity

95% maximum RH at 40

°

C, non-condensing

Maximum Dimensions

4.585” L, 3.25” W, 2.212” H

FCC Compliance
DM3412

Customer must apply

DL3412

Part 90, Part 15(403-512 MHz), Industry Canada RSS119, Issue 5

RECEIVER
Bandwidth

16 MHz all bands except (20 MHz 308-405/450-470 MHz)

Frequency Stability

±

1.5 PPM (-30

°

C to +60

°

C)

Sensitivity - 12 dB SINAD

0.35

µ

V

RF Input Impedance

50 ohms

Selectivity

-70 dB/-60 dB (tN/t/E) for 25 kHz, 60 dB/50db (tN/t/E) for 12.5 kHz

Spurious and Image Rejection

-70 dB

Conducted Spurious Emissions

<-57dBm

Intermodulation

-70 dB

FM Hum and Noise

-40 dB 12.5/25 kHz

Receive Attack Time

< 5 ms

Total Receive On Time

7 mS Maximum

Audio
Distortion

<3%

Buffered Output Level

150 mV RMS nominal at 2.5V DC bias

Discriminator Output

±

1 dB from DC to 5 kHz (reference to 1 kHz)

Output Bias

2.5V DC

±

10%

Output impedance

>10k Ohms

RSSI

0.9V to 2.4V DC output from -120 to -60 dBm, attack time < 2 ms