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20 May 2012 - The 144 MHz halo antenna was mounted at 80 inches (1 λ) above the roof and fed with Belden 8214 foam type RG-8/U coaxial cable. At first, the antenna resonance was unstable and sensitive to the routing of the feed line until 5 turns of it were wound to form a 8 inch diameter choke balun. The standing wave ratio was then…

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General Radiotelephone Standing Wave Ratio Bridge CB - $25

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High Gain Antenna for Walkie Talkies - Black (SMA)

High Gain Antenna for Walkie Talkies (SMA). Model: NA-519 - Frequency: 144~430MHz - Gain: 2.15dB - Max Power:100WATTS - Standing wave ratio(VSWR): LESS 1.5 - Impedance: 50 ohm - Length: 210mm - Connector type: SMA female - Suitable for Kenwood TK-3107/TK-2107, Wouxun KG-UVD1/KG669/KG679, PuXing PX-777/PX-666, QuanSheng TG-6A/TG-25AT Walkie Talkie. Tags: #Electrical #Tools #Walkie #Talkies #Supplies

General Radiotelephone Standing Wave Ratio Bridge CB. $50.00, via Etsy.

D-LINK ANT24-0700 2.4ghz Indoor Omni-directional 7dBi Antenna SMA TNC w/Ext Cable by D-Link. $42.74. Type: Antenna Specifications: Frequency Range: 2.4GHz – 2.5GHz Gain: 7dBi Voltage Standing Wave Ratio (VSWR): 1.92 : 1 Max Polarization: Linear, Vertical Half Power Beam Width (HPBW): Horizontal - 360 degrees; Vertical - 24 degrees Impedance: 50 Ohms Nominal Connector: Reverse SMA; RP-SMA to TNC Adapter Cable: 1.5m RG-178 50 Ohms Operating Temperat...

SWR Standing Wave Ratio Watt Power Meter for HAM Mobile VHF UHF 200W

Vintage Lenline Standing Wave Ratio & Field Strength Meter SWR-3 Radio Transmitter Ham CB Amateur Geek

Vintage Lenline Standing Wave Ratio & Field by Utopiantiques, $29.99

PRYME AL-800 10W Telescoping Detachable SMA-J VHF / UHF High Gain Antenna for Walkie Talkies - Black

PRYME AL-800 10W Telescoping Detachable SMA-J VHF / UHF High Gain Antenna for Walkie Talkies - Black. Brand: PRYME - Model: AL-800 - Color: Black - Material: Plastic + copper - Frequency: VHF: 136~174MHz / UHF: 400~470MHz - Gain: 3.2dBi / 5.6dBi - Max Power: 10W - Standing wave ratio (SWR): Less than 1.5 - Impedance: 50 ohm - Length: 85cm (max.) 28cm (min.) - 2-section - Connector type: SMA-J male - Suitable for walkie talkie Kenwood TH-G71A/TH-K2AT/K4AT, LT 61006200, 6288, 6600, 6100PLUS…

High Gain Antenna for Walkie Talkies (BNC)

High Gain Antenna for Walkie Talkies (BNC). Model: RH951S - Color: Black - Plastic material housing and copper cord - Frequency: 144/430MHz - Gain: 2.15dB - Max Power:10W - Standing wave ratio(VSWR): - Impedance: 50 ohm - Length: 35cm - Connector type: BNC - Suitable for Kenwood TH-28A/TH-48A/TH-78A, Marantz C150/C450/HX260/HX270. Tags: #Electrical #Tools #Walkie #Talkies #Supplies