Diamond Antenna BB2M - User Manual

7-30MHz/50MHzWIDEBANDMOBILEANTENNA
【3-100MHzReceivingonly】
BB2M
Foldoverwhipelementstructure
OperationInstructions
Tousetheantennaproperly,readtheseinstructions
thoroughlybeforeusingit.Keepthismanualcarefully
athandforlateruse.
BB2Misforamateuruse.Pleasetransmitonthearmaturebands.
Warning
Toavoidinvitingaccidents,pleasefollowthefollowing
notices.
①Nutsandscrewscanbeloosenedbyvibrationduring
driving.Besuretocheckthosefasteningdevicesfrom
timetotimeandrefastenifnecessary.
②Strongimpactcancausetobreaktheantennaandmay
inviteaccidentsbyfallingtheelement.Itis
recommendedtodriveawayfromthoseobstaclessuch
asbranches.
③Strongvibrationscausedbydieselenginesmaydamage
theantenna.Itisrecommendedtoinstalltheantennaat
thelocationwherehasleastvibrationsaspossible.
④Touchingtheantennaduringtransmissionmaycauseto
electrify.Besuretoconfirmtoseeifthereisnoone
aroundtheantennaiftransmissionistakingplacewhile
thecarisparked.
⑤Don'tdriveacarwiththeantennatilted.Drivingthecar
withtheantennatiltedmaycauseserioushuman
accident.
⑥Toinstalltheantenna,besuretotakethosethingssuch
aslocaltrafficregulations,andphysicallengthofthecar
inaccount,andespeciallyithastobeinstalledthe
locationwhereisnoteasilyreachablebypeople.
⑦SWRoftheBB2Mislessthan2.0becauseBB2Mis
designedaswideband.Whentransmitting,usethe
antennatunerandadjusttheSWRlessthan1.5.SWR
couldbechangeddependingontheinstallationsituation.
⑧Ifthethunderseemstorumblingthevicinity,donot
touchtheantennaandcoaxialcabletoavoid
electrocutedbylightning.
Description
①BB2Misdesignedaswideband.Itcanbeusedon
7-30MHz/50MHz.
②Cumbersomeadjustmentthefrequencyisnotnecessary.
(Usingwiththeantennaturnerisnecessary)
Theunitisconsistedoftheantennafollowingparts.
Notice
Besuretowatchoutforcoaxialcablewiring,sinceoutside
waterismostlikelytoenterthroughthewiring.
Don'tattachtheantenna,bracketandcoaxialcablesclose
tothecarcablesorotherelectricalparts;otherwise,
fatalaccidentshouldhappen.
・Parts
OperationInstructions
HexagonalwrenchforM4
(M30005)
Upperelement
(M30001)
SetScrew(M4x4)
(M30004)
Lowerelement
(withJoint)
(M30002)
SetScrew(M4x4)
(M30004)
Matchingsection
(Omnidirectionallytiltable
whipsection)
(M30003)

Summary

Operation Instructions

Parts

The unit is consisted of the antenna following parts.

Warning

Description

Notice

Specification

Attentions

Installation

Adjustment

Diamond Antenna BB2M Specifications

General

Impedance	50 Ohms
Polarization	Vertical
Radiation Pattern	Omnidirectional
Length	0.46m
VSWR	1.5:1