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Electronics Product
Beauty / Personal Care 
Furniture / Building Materials 
Automotive Machinery 
Home Department Store 
International Logistic Service 3DBI Gain Helix 315MHz 433MHz Internal Helical Antenna Coil Antenna Spring
| Item | Specifications | |
| Antenna | Frequency Range | 433/315MHz |
| Gain | 2-3dBi | |
| V.S.W.R | ≤1.9 | |
| Impedance | 50Ω | |
| Antenna size | 17/17.5/21/28/35MM or customizable | |
| Polarization | Linear | |
| Mechanical | Inner Material | Copper |
| Connector type | Soldering or customizable | |
| Mounting Method | Soldering for PCB | |
| Environmental | Operating Temperature | -40℃~+80℃ |
| Storage Temperature | -40℃~+85℃ | |
| Environmentally Friendly | ROHS Compliant | |
Q: Are you factory or trading company?
A: We are direct antenna factory which integrating R&D ,design ,manufacturing of different kinds of antennas.
Q: How can I get the sample to check your quality?
A: After price confirmation, you can require for samples to check our product’s quality. You need to pay the cost of the sample and the express freight.
Q What is your payment terms?
A We accept Alibaba Trade Assurance, T/T, West Union, moneygram or Paypal.
Q What is your term of delivery?
A We accept EXW, FOB Shenzhen or CPT to The Destination. You can choose the one which is the most convenient or cost-effective for you.
Q What are your Warranty and Certificate?
A The warranty is 12 months and we have CE, FCC and RoHS certificate.
Q What about the lead time for mass production?
A Honestly, it depends on the order quantity and the season you place the order.
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