Smiley Antenna Slim Line 440 MHz UHF Antenna | 3 dBd Gain | USA Made

from $22.00

Smiley Antenna Slim Line UHF Antenna – 440 MHz | 3 dBd Gain | 6”

Built by Smiley Antenna Co., Inc. (Est. 1984), this Slim Duck UHF antenna delivers reliable, real-world performance for handheld radios. Designed with true omni-directional 3 dBd gain, it improves range and signal consistency over standard stock antennas.

Precision tuned to 440 MHz with a ±5 MHz bandwidth (435–445 MHz), this antenna maintains low SWR and stable performance where it matters most. Each antenna is impedance matched specifically for handheld radios, not generic tuning.

Constructed with a flex coil matching network and sealed in a one-piece NT-MIL covering, it is strong, flexible, and built for demanding field use. At 6 inches, it provides the ideal balance of performance and portability.

Hand-tuned in the USA with over 40 years of antenna experience

“Better range than stock antennas. Built for real-world use.”

SEE CONNECTORS

Base Connector:

Smiley Antenna Slim Line UHF Antenna – 440 MHz | 3 dBd Gain | 6”

Built by Smiley Antenna Co., Inc. (Est. 1984), this Slim Duck UHF antenna delivers reliable, real-world performance for handheld radios. Designed with true omni-directional 3 dBd gain, it improves range and signal consistency over standard stock antennas.

Precision tuned to 440 MHz with a ±5 MHz bandwidth (435–445 MHz), this antenna maintains low SWR and stable performance where it matters most. Each antenna is impedance matched specifically for handheld radios, not generic tuning.

Constructed with a flex coil matching network and sealed in a one-piece NT-MIL covering, it is strong, flexible, and built for demanding field use. At 6 inches, it provides the ideal balance of performance and portability.

Hand-tuned in the USA with over 40 years of antenna experience

“Better range than stock antennas. Built for real-world use.”

SEE CONNECTORS

Features
Electrical
- 50 Watts max power
- Impedance matched to the portable

Helical Elements Construction
- Exterior exclusive NT-mil covering
- Dipped in synthetic rubber to provide a weather seal & webb coil, preventing distortion
- Highly efficient copper-plated helical wound hardened steel wire
- Flow soldered nickel plated brass base