2 PCS/LOT 433MHz Antenna 3dBi SMA Male Connector, 433 mhz Directional Antena 433M Waterproof Antenne for Lorawan SMA-J connector
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£1.07
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Specifications
- Brand Name
- NoEnName_Null
- Voltage
- None
- Origin
- Mainland China
- High-concerned chemical
- None
- Model Number
- 433MHz small pepper antenna
- Certification
- None
- Frequency Range
- 433MHz
- S.W.R
- ≤1.6
- Antenna gain
- 3dBi
- Impedance
- 50Ω
- Maximum power
- 50W
- Length
- 5CM-11CM
- Interface form
- Interface form
- Operating temperature
- -40℃~+85℃
- Choice
- yes
- semi_Choice
- yes
Product Description
Associated products-glue stick antenna, please click the picture below to transfer the link
Pros & Cons
Pros
- 3dBi gain provides reliable signal transmission and reception for 433MHz devices
- SMA male connector is a widely used, standard interface for wireless antennas
- Waterproof design suits outdoor and harsh environment installation
- Wide operating temperature range of -40℃ to +85℃ works in extreme weather
Cons
- Only supports 433MHz frequency, not compatible with other wireless bands
- No included mounting hardware or installation instructions
- No brand name listed, so no consistent quality assurance
- V.S.W.R. ratio of ≤1.6 is acceptable but not the lowest available on the market
Common Questions
What material and design type is this antenna?
This is a 433MHz waterproof antenna with a SMA male connector, per the product title and specifications.
What are the physical dimensions and adjustable length of this antenna?
The antenna has an adjustable length range of 5CM to 11CM, per the product specs.
What wireless devices and frequency bands is this antenna compatible with?
It is designed exclusively for 433MHz devices such as Lorawan, per the product specifications.
What key performance ratings does this antenna have?
It has a 3dBi gain, 50W maximum power handling, and a V.S.W.R. of ≤1.6, per the product specs.
What shipping options are available for this antenna?
No explicit shipping details are provided in the product listing, only a note about associated glue stick antenna products.
Product information last updated on November 18, 2025