433MHz Spring Antenna 2.25 dBi Gain 50 Ohm Impedance for Wireless Communication Modules
Compact 433MHz spring antenna with 2.25 dBi gain and 50 ohm impedance, designed for wireless modules including CC1100, CC1020, NRF905. Features direct solder mounting, ROHS compliance, and operates from -40°C to +85°C. Ideal for long-range wireless communication applications with factory-direct pricing and customization options.
Place of Origin
Shen Zhen,Guang Dong,China
Packaging Details
100pcs/PE bag
weight
0.1g
Material
Phosphor Copper
Model Number
TOP-433-spring 1
Supply Ability
40k pcs/month
Product Description
Product Overview
This 433MHz spring antenna is a cost-effective wireless communication solution designed for various 433MHz wireless devices including CC1100, CC1020, NRF905, NRF903, and SI4432 modules. The antenna features direct solder mounting for easy installation and reliable performance.
Key Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 433MHz |
| V.S.W.R | 1.5:1 |
| Impedance | 50 ohm |
| Typical Gain | 2.25 dBi |
| Weight | 1.5g |
| Dimensions | 26.8mm × 4.0mm / 27.5mm × 4.0mm |
Technical Specifications
TOP-433-Spring 1
| Category | Specification |
|---|---|
| Antenna | Center Frequency: 433MHz Band Width: ±5MHz Polarization: Linear Impedance: 50Ω Gain: 2.25 dBi V.S.W.R: <2.5 |
| Mechanical | Material: Phosphor Copper Dimension: 26.8mm × 4.0mm Mounting Method: Welding |
| Environmental | Vibration: 10-55Hz with 1.5mm amplitude (2 hours) ROHS Compliant |
TOP-433-Spring 1-1
| Category | Specification |
|---|---|
| Antenna | Center Frequency: 433MHz Band Width: ±5MHz Polarization: Linear Impedance: 50Ω Gain: 2.25 dBi V.S.W.R: <2.5 |
| Mechanical | Material: Phosphor Copper Dimension: 27.5mm × 4.0mm Mounting Method: Welding Weight: 1.5g |
| Environmental | Working Temperature: -40°C to +85°C Color: Gold/Silver |
Performance Characteristics
- Working Frequency: 428MHz to 438MHz
- Standing Wave Ratio: ≤1.5
- Gain: 2.25 dBi
- Maximum Power: 10W
- Input Impedance: 50 ohm
- Weight: 1g
- Interface: Direct Welding
Product Advantages
- Factory direct pricing
- Competitive market pricing
- Quality certifications and approvals
- Comprehensive after-sales service
- Customization options available
Applications
Wireless transmitters and receivers, WLAN systems, and various 433MHz wireless communication devices.
Technical Documentation
Product Drawings
TOP-433-Spring 1
TOP-433-Spring 1-1
Quality Assurance
- 12-month warranty on all products
- Defective rate less than 1%
- Complete technical documentation available
- ROHS compliant manufacturing
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