DIAMOND

SRH779: 144/430MHz(2m/70cm)

Technical specification Diamond antenna SRH779

Type: 1/4 wave (144MHz),1/2 wave (430MHz)
Gain: 2.15dBi (430MHz)
Length: 44cm, 16cm (retracted) 8 stages
Weight: 40g
Impedance: 50ohms
Max.power: 10W FM
Connector: SMA-P (SMA-Male)
FM/120/150/300/450/800MHz for receiving only, omnidirectionally foldable structure.

DIAMOND - SRH-711 - 144/430 MHz ANTENNA FOR HANDHELD TRANSCEIVERS - LENGTH: 40 cm - CONNECTOR: SMA-MALE
USABLE IN RECEPTION ONLY ALSO ON: AERONAUTICAL BAND 120 - 150 - 300 - 450 - 900 MHz

A decidedly interesting antenna, usable both with amateur radio transceivers and scanner receivers for multiple frequencies.
Thanks to its considerable length, the gain is very high.
The electrical configuration is 1/4 wave on 144 MHz and 172 wave on 430 MHz.
The top of the stylus is flexible.

TECHNICAL SPECIFICATIONS

Brand: DIAMOND
TX MHz frequency: 144-430 MHz amateur radio bands
RX MHz frequency: AERONAUTICAL BAND - 150 - 300 - 450 - 900 MHz
Connector: SMA-M
Max Power: 10W FM
Length: 40 cm
Weight: 38 g

The D3000N Super Discone Antenna is an ultra-wideband antenna covering amateur radio, commercial 2-way, cellular, air traffic control and various utility frequency bands. Rust-free stainless steel is employed in major component parts making the antenna rust resistant and durable.
Special Features:

• Ultra-wideband design 25 to 3000 MHz receive, 50-1200 MHz transmit (6m tunable for transmit)
• Compact and lightweight design enables antenna to be installed on balcony railing at an apartment or condominium
• Ideal for 2m, 1-1/4m, 70cm, 33cm and 23cm amateur bands
• Excellent "shop" antenna for testing various transmitters on a single coax
• Can be made further compact and lightweight by removing the top loading coil if 25-50 MHz reception is not required
Specifications:

Bands: 25-3000 MHz
Gain dBi: 2 (nominal)
Max Power Rating: 144 MHz up: 200 watts
6m: 20 watts FM, 50 watts PEP
Height: 67"
Connector: Type-N
Element Phasing: Wideband Discone

Remarks: Adjustable 50-54 MHz