multicom_ham_base

VHF/UHF

Base station antennas for 2m and 70cm.

A range of base antennas for use on 144MHz and 433MHz. 

 

Original Diamond base antennas now in stock

Sharmans X-30

X30
  • Description
  • Specifications
Sold Out - no delivery date

Compact white fibreglass dual-band base antenna for 2m and 70cm. 

Same specs and style as the Diamond X-30.  Looks identical and gives the same performance - it just costs less!!

Frequency Bands 2m/70cm
Max Power 150W
Length 1.3m
Radials 3
Gain (2m) 3dB
Gain (70cm) 5.5dB
Weight 0.8kg
Type (2m) 1/2 wave
Type (70cm) 2 x 5/8 wave
Connector SO239

Sharmans X-50

X50
  • Description
  • Specifications
Sold Out - no delivery date

Compact white fibreglass dual-band base antenna for 2m and 70cm. 

Same specs and style as the Diamond X-50.  Looks identical and gives the same performance - it just costs less!!

Frequency Bands 2m/70cm
Max Power 200W
Length 1.7m
Radials 3
Gain (2m) 4.5dB
Gain (70cm) 7.2dB
Weight 0.9kg
Type (2m) 3 x 1/4 wave
Type (70cm) 3 x 5/8 wave
Connector SO239

Sharmans X-200

X200
Add to cart
  • Description
  • Specifications

A 2-piece white fibreglass dual-band base antenna for 2m and 70cm. 

Same specs and style as the Diamond X-200.  Looks identical and gives the same performance - it just costs less!!

Frequency Bands 2m/70cm
Max Power 200W
Length 2.2m
Radials 3
Gain (2m) 6.5dB
Gain (70cm) 9.5dB
Type (2m) 2 x 5/8 wave
Type (70cm) 4 x 5/8 wave
Weight 1.25kg
Connector SO239

Sharmans X-300

X300
  • Description
  • Specifications
Sold Out - no delivery date

White fibreglass dual-band base antenna for 2m and 70cm. 

Same specs and style as the Diamond X-300.  Looks identical and gives the same performance - it just costs less!!

Frequency Bands 2m/70cm
Max Power 200W
Length 3.3m
Radials 3
Gain (2m) 7.5dB
Gain (70cm) 10.5dB
Type (2m) 2 x 5/8 wave
Type (70cm) 5 x 5/8 wave
Weight 1.8kg
Connector SO239

Sharmans X-510N

X510
  • Description
  • Specifications
Sold Out - no delivery date

Large high performance white fibreglass dual-band base antenna for 2m and 70cm. 

Same specs and style as the Diamond X-510N.  Looks identical and gives the same performance - it just costs a lot less!!

We have received very good reports about the performance of this antenna - so long as you don't mind it's size!

 Please note: the connection on this antenna is N-Type, whereas all others on this page are SO239.

Frequency Bands 2m/70cm
Max Power 200W
Length 5.2m
Radials 3
Gain (2m) 8.3dB
Gain (70cm) 11.7dB
Type (2m) 3 x 5/8 wave
Type (70cm) 8 x 5/8 wave
Weight 2kg
Connector

N-Type

Watson W-30

W30
Add to cart
  • Description
  • Specifications

Compact white fibreglass dual-band base antenna for 2m and 70cm. 

The Watson base station antennas have earned themselves an enviable reputation, offering both value for money and excellent performance. The W-30 is fibre glass encapsulated and pre-tuned for the appropriate bands. All the hardware is rustproof, comprising mainly alloy materials. The mast brackets are also included, as is a weather protector shield to cover the SO-239 base socket.

Frequency Bands 2m/70cm
Max Power 200W
Length 1.15m
Radials 3
Gain (2m) 3dB
Gain (70cm) 6dB
Type (2m) 1/2 wave
Type (70cm) 2 x 5/8 wave
Weight 0.885kg

Watson W-50

W50
Add to cart
  • Description
  • Specifications

Compact white fibreglass dual-band base antenna for 2m and 70cm. 

The Watson base station antennas have earned themselves an enviable reputation, offering both value for money and excellent performance. The W-50 is fibre glass encapsulated and pre-tuned for the appropriate bands. All the hardware is rustproof, comprising mainly alloy materials. The mast brackets are also included, as is a weather protector shield to cover the SO-239 base socket.
Frequency Bands 2m/70cm
Max Power 200W
Length 1.8m
Radials 3
Gain (2m) 4.5dB
Gain (70cm) 7.2dB
Weight 1.2kg
Type (2m) 3 x 1/4 wave
Type (70cm) 3 x 5/8 wave

Watson W-300

W300
Add to cart
  • Description
  • Specifications

White fibreglass dual-band base antenna for 2m and 70cm. 

The Watson base station antennas have earned themselves an enviable reputation, offering both value for money and excellent performance. The W-300 is fibre glass encapsulated and pre-tuned for the appropriate bands. All the hardware is rustproof, comprising mainly alloy materials. The mast brackets are also included, as is a weather protector shield to cover the SO-239 base socket.

Frequency Bands 2m/70cm
Max Power 200W
Length 3.1m
Radials 3
Gain (2m) 6.5dB
Gain (70cm) 9dB
Type (2m) 2 x 5/8 wave
Type (70cm) 5 x 5/8 wave
Weight 1.46kg

Watson W-2000

W2000
Add to cart
  • Description
  • Specifications

White fibreglass tri-band base antenna for 2m, 70cm and 6m. 

Comes in 2 sections for easier transport.

The Watson base station antennas have earned themselves an enviable reputation, offering both value for money and excellent performance. The W-2000 is fibre glass encapsulated and pre-tuned for 2m and 70cm with a manually tuned radial for 6m. All the hardware is rustproof, comprising mainly alloy materials. The mast brackets are also included, as is a weather protector shield to cover the SO-239 base socket.

Frequency Bands 6m/2m/70cm
Max Power 150W (50W 6m)
Length 2.5m
Radials 3
Gain (2m) 6.2dB
Gain (70cm) 8.4dB
Type (2m) 2 x 5/8 wave
Type (70cm) 4 x 5/8 wave
Gain (6m) 2.15dB
Type (6m) 1/2 wave
Weight 1.2kg

Sharmans V-2000

V2000
Add to cart
  • Description
  • Specifications

White fibreglass tri-band base antenna for 2m, 70cm and 6m. 

Same specifications as the Watson W-2000, except this one comes in one section rather than two, which possibly makes it stronger.

Frequency Bands 6m/2m/70cm
Max Power 200W
Length 2.5m
Radials 3
Gain (2m) 6.2dB
Gain (70cm) 8.4dB
Type (2m) 2 x 5/8 wave
Type (70cm) 4 x 5/8 wave
Gain (6m) 2.15dB
Type (6m) 1/2 wave
Weight 1.2kg

Sirio SA270MN

S270
  • Description
  • Specifications
Sold Out - no delivery date
Compact white fibreglass dual-band base antenna for 2m and 70cm. 
Frequency Bands 2m/70cm
Max Power 200W
Length 1.8m
Radials 4
Gain (2m) 4.15dB
Gain (70cm) 6.35dB
Type (2m) 6/8 wave
Type (70cm) 3 x 5/8 wave
Weight 0.9kg

Sirio GP-3E

GP3e
Add to cart
  • Description
  • Specifications

Compact base antenna suitable for both 2m and PMR use.  Popular for taxi radios etc.

Tunable from 135 to 175MHz.

Frequency Bands 135-175MHz
Max Power 200W
Length 1.335m
Radials 4
Gain 3.65dBi
Bandwidth 4.8MHz @ 135MHz
Type 5/8 wave
Weight 0.6kg
Connector PL259

Sirio CX-4 4m Base Antenna

CX4
Add to cart
  • Description
  • More Details
Sirio CX-4-68  68-73MHz Base Antenna

An aluminium mono-band base station antenna for use on 4m band. 

  •  Base station antenna, Mono-band
  •  Omnidirectional
  •  Tunable 68-73MHz by tuning chart 
  •  Protection from static discharges DC-Ground
  •  Made of aluminium alloy 6063 T-832

 

Electrical Data
•  Type: 3/4λ coaxial J-pole
• Frequency range: 68...73 MHz tunable by diagram 
• Impedance: 50Ω unbalanced
• Radiation (H-plane): 360° omnidirectional
• Radiation (E-plane): beamwidth at -3 dB = 60°
• Radiation angle: 3°
• Polarization: vertical
• Gain: 2dBd - 4.15 dBi
• Bandwidth @ SWR 1.5: ≥ 1.7 MHz @ 68 MHz 
• SWR. @ res. freq.: ≤ 1.2
• Max. power: 500 Watts
• Feed system / position: gamma match / base
• Connection: UHF-female

Mechanical Data
•  Materials: Aluminium, Brass, Stainless Steel, Nylon
• Wind load / resistance: 97 N at 150 Km/h / 150 Km/h
• Wind surface: 0.08 m²
• Height (approx.): from 2700 to 3360 mm
• Weight (approx.): 1900 gr
• Mounting mast: Ø 35-42 mm
  

Sirio CX-440 (440-455MHz)

CX440
Add to cart
  • Description
  • More Details
Sirio CX 440 - Omnidirectional Base station 446 antenna

A good quality base antenna ideal for use on the PMR446 band.

The antenna can be tuned from 440-455MHz.
Features:
• Base station antenna, Mono-band
• Omnidirectional
• Protection from static discharges DC-Ground
• Made of aluminium alloy 6063 T-832

Electrical data:
• Type: 3/4λ coaxial J-pole
• Frequency range 440-455MHz
• Impedance: 50Ω unbalanced
• Radiation (H-plane): 360° omnidirectional
• Radiation (E-plane): beamwidth at -3 dB = 60°
• Polarization: vertical
• Gain: 2dBd - 4.15 dBi
• Bandwidth at S.W.R. 2:1: 33.5 MHz
• S.W.R. at res. freq.: ≤ 1.2:1
• Max. power: 250 Watts
• Feed system / position: gamma match / base
• Connector: N-female

Mechanical data:
• Materials: Aluminium, Brass, Steel, Nylon
• Wind load / resistance: 25 N at 150 Km/h / 180 Km/h
• Wind surface: 0.02 m2
• Height (approx.): 588 mm
• Weight (approx.): 450 gr
• Mounting mast: Ø 35-42 mm

Diamond X-30N

DX30
Add to cart
  • Description

Compact white fibreglass dual-band base antenna for 2m and 70cm. 

New lower price means that it is not much more than the Sharman's version.

NOTE: this antenna has a N-Type socket, not a SO239.

Diamond X-50N

DX50
Add to cart
  • Description
  • More Details
  • Specifications

Original Diamond X-50N dual band base antenna.

A 1-piece white fibreglass dual-band base antenna for 2m and 70cm

Note: N-Type socket rather than SO239

FEATURES, FUNCTIONS AND SPECIFICATIONS:
Length: 1.7 m
Radial Length: approx.19 cm
Weight: 0.9kg
Gain: 4.5 dB (144 MHz) ,7.2 dB (430 MHz)
Max.power rating: 200 Watt FM (Total)
Impedance: 50 Ohms
VSWR: Less than 1.5:1
Rated wind velocity: 60 m/sec.
Mast diameter accepted: 30 mm to 62 mm
Connector: N-Female (NJ)
Type: 6/8 wave C-Load (144 MHz) ,3 x 5/8 wave C-Load(430MHz), FRP outershell
Frequency Bands 2m/70cm
Max Power 200W
Length 1.7m
Radials 3
Gain (2m) 4.5dB
Gain (70cm) 7.2dB
Weight 0.9kg
Type (2m) 3/4 wave
Type (70cm) 3 x 5/8 wave
Connector N-Type

Diamond X-200N

DX200
Add to cart
  • Description
  • More Details
  • Specifications

Original Diamond X-200N dual band base antenna.

A 2-piece white fibreglass dual-band base antenna for 2m and 70cm

Note: N-Type socket rather than SO239.

FEATURES, FUNCTIONS AND SPECIFICATIONS:
Length: 2.5 meter.
Radial Length: approx. 52 cm.
Weight: 1.2 Kg
Gain: 6.0 dB (144MHz), 8.0 dB (430MHz)
Max Power Rating: 200W FM (Total)
Impedance: 50 Ohm
VSWR: Less than 1.5:1
Rated Wind Velocity: 50 m/sec.
Mast Diameter Accepted: 30mm to 62mm.
Connector: N-Female (NJ)
Type: 2x5/8 wave (144MHz),4x5/8 wave (430MHz),FRP outershell
Frequency Bands 2m/70cm
Max Power 200W
Length 2.5m
Radials 3
Gain (2m) 6.0dB
Gain (70cm) 8.0dB
Weight 1.2kg
Type (2m) 2 x 5/8 wave
Type (70cm) 4 x 5/8 wave
Connector N-Type

Diamond X-300N

DX300
Add to cart
  • Description
  • More Details
  • Specifications

Original Diamond X-300N dual band base antenna.

A 2-piece white fibreglass dual-band base antenna for 2m and 70cm

Note: N-Type socket rather than SO239

FEATURES, FUNCTIONS AND SPECIFICATIONS:
Frequency: 144 and 430 MHz
Gain: 6.5dB (VHF) to 9.0dB (UHF)
Max Power: 200 Watt
Length: 310 cm
Weight: 1.5 Kg
Rated Wind Velocity: 50m/sec.
Mast Diameter Accepted: 30-62mm diameter
Connector: N-Female
Type: Omnidirectional 2x5/8, FRP Outersheel.
Frequency Bands 2m/70cm
Max Power 200W
Length 3.1m
Radials 3
Gain (2m) 6.5dB
Gain (70cm) 9.0dB
Weight 1.5kg
Type (2m) 2 x 5/8 wave
Type (70cm) 5 x 5/8 wave
Connector N-Type

Diamond X-5000

DX5000
Add to cart
  • Description
  • Specifications

A tri-band base antenna, covering 2m, 70cm and 23cm.

Note: this antenna has a N-Type socket.

Frequency Bands 2m/70cm/23cm
Max Power 100W
Length 1.8m
Radials 3
Gain (2m) 4.5dB
Gain (70cm) 8.3dB
Weight 0.9kg
Type (2m) 6/8 wave
Type (70cm) 3 x 5/8 wave
Connector N-Type

Diamond X-510N

DX510
Add to cart
  • Description
  • Specifications

Original Diamond X-510N dual band base antenna.

Note: N-Type socket rather than SO239

Frequency Bands 2m/70cm
Max Power 200W
Length 5.2m
Radials 3
Gain (2m) 8.3dB
Gain (70cm) 11.7dB
Weight 2.0kg
Type (2m) 3 x 5/8 wave
Type (70cm) 8 x 5/8 wave
Connector N-Type

VHF/UHF Dipole (66-500mHz)

TVUD
Add to cart
  • Description

A simple dipole antenna supplied with a cutting chart for tuning it anywhere from 66-500mHz.

  • Aluminium construction
  • Includes Wall Bracket
  • Max Power 500W
  • SO239 coax connection