The lengths of short arm and long arms have been calculated and cropped that together with the precise positioning of the coax feedpoint for best match at 127.5MHz which is the middle of the 118-137MHz Airband.
eBay
ham High Gain Whip 144/430MHz Walkie Talkie NMO Antenna Dual Band VHF UHF Car Mobile Amateur Vehicle Radio Mount Antenna
Aliexpress UK
The Skyscan Desktop 25-2000MHz Scanner Antenna is a high-quality scanning device manufactured in the United Kingdom by MOONRAKER. This desk-top scanner offers a frequency band range of HF, CB, VHF, and UHF, with the ability to receive both analog and digital signals. Featuring a magnetic base for easy positioning, this scanner has a compact unit quantity of 2kg, making it suitable for static or mobile use. With 1000 channels available and a built-in channel monitor, this scanner is a reliable and versatile tool for scanning and monitoring frequencies.
eBay
2x2 MIMO 4G LTE Antenna Outdoor WiFi Long Range Omni Directional 5G Antennas for T-Mobile Verizon AT&T with TS-9 SMA 10meters
Aliexpress UK
Cable: 4m RG58 mil spec coax. Connection: BNC male plug fitted. This is the best all round wideband desktop scanner antenna on the current market. Keeping within the famous discone design but smaller for internal use has proved wonders for indoor reception, works very well with the Uniden UBC-125XLT.
eBay
for Nagoya RE-02 Ground Grid Antenna Mobile Radio Enhanced Omnidirectional Antenna
Aliexpress UK
This BNC radio antenna can freely rotate to adjust the best signal-receiving position.
eBay
RB-20 Black Car Mobile Radio Antenna Mount Bracket with 5M RG58 Antenna Extension Cable PL-259 SO-239 For Kenwood For Yaesu
Aliexpress UK
The Moonraker Skyscan is a great all-round scanning antenna, which should enhance the reception capability of any radio scanner. Base: 90mm magnetic mount with rubber base protection. Length: 650mm.
eBay
13dBi 5G Yagi Antenna 5280-5850MHz N Female External Outdoor Antenna For GSM UMTS LTE Mobile Signal Booster Repeater
Aliexpress UK
Length: 210mm. SMA connector. Safety & Security. - New Arrivals. - Add to Favorites. Quick Links. on all UK orders. All orders are dispatched within 48 hours of being cleared.
eBay
Nagoya RE-05 Antenna Bracket Base Station 10-1300MHz Ground Redical for Mobile Radio SO239-PL259/NMO Antenna Strengthen
Aliexpress UK
Gain: 7dBi. Cable Connector: BNC Male Connector. 1 Antenna. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
eBay
NAGOYA NL-770S Car Radio Antenna PL259 Dual Band VHF/UHF 144/430MHz Car Mobile Ham Radio Antenna for BaoFeng YAESU ICOM Kenwood
Aliexpress UK
Gain: 7dBi. Cable Length: 300cm. Impedance: 50 ohm;. 1 Antenna. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
eBay
4x4 MIMO 5G 4G LTE antenna,UWB 698-4000MHz, AT&T/Verizon/T-Mobile compatible,long-distance WiFi antenna,N2/N5/N77/N66/N260
Aliexpress UK