Specifications

Operation frequency	446.00625 to 446.09375 MHz
Channels	8
CTCSS Codes	38 standard codes
Modulation type	FM
Microphone	Internal / external condenser type
Power supply	3.7V 720mAH Li-ion battery
Sensitivity	<= -119 dBm
Noise squelch	Auto
VOX levels	3
Call tones	10
Audio output power	125mW
Audio distortion	< 5%
RX signal to noise ratio	>43dB
TX RF output power	500 mW @ 4.5VDC
Dimensions (H x W x D)	120 x 42 x 20 mm (4.7 x 1.7 x 0.8 in)
Weight (without batteries)	70 grams (2.5 oz)

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Contents

N086L004722-016 REV.1 page 1/152 Model TP391 Pair of PMR446 TWO WAY Personal Radios Model TP391 Contents N086L004722-016 REV.1 PAGE 3/152 Front view Description Function N086L004722-016 REV.1 PAGE 4/152 N086L004722-016 REV.1 page 5/152 Back View N086L004722-016 REV.1 PAGE 6/152 Lcd display symbolsSymbol Function N086L004722-016 REV.1 PAGE 7/152 Safety and Care Instructions Getting Started PowerN086L004722-016 REV.1 PAGE 8/152 To insert the batteries Turn the unit on / OFF To charge the battery using the AC adapterN086L004722-016 REV.1 PAGE 9/152 To turn the unit on or OFF Reset VolumeTalk to another transceiver Another transceiver Menu Options Symbol Setting DescriptionKeypad lock N086L004722-016 REV.1 page 11/152 To select between 8 channels or 38 Ctcss codes Select a channel or CtcssN086L004722-016 REV.1 page 12/152 To set up a headset VOX level / voice delay timeCall tone N086L004722-016 REV.1 page 13/152 N086L004722-016 REV.1 page 14/152 LCD Symbol DescriptionRoger Beep N086L004722-016 REV.1 page 15/152 Scan for a Channel / CtcssDual Watch DW Troubleshooting ResetProblem Possible Causes / Remedies N086L004722-016 REV.1 page 16/152 N086L004722-016 REV.1 page 17/152 SpecificationsWeight without batteries Grams 2.5 oz N086L004722-016 REV.1 page 18/152 About Oregon Scientific EU-DECLARATION of Conformity