Top X Technology Co., Ltd
Email: rfproducts1@ctrfantennas.com
C&T RF Antennas Inc
Mobile: 0086-13412239096

Lora/ISM 433 Mhz Embedded Antenna Spring Coil Helical Antenna built-in Antenna Internal Antenna


Turn to The C&T RF Antennas Inc’s complete portfolio of RF antenna components for solutions that are robust, compact and offer a high degree of linearity. Facing cost pressure but sill need high performance? The C&T RF Antennas Inc offers the best cost-performance ratio out there. In particular, our switches and cross switches let you enjoy a higher degree of design flexibility, resulting in a better trade-off between antenna performance and size.


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Product Description


Turn to The C&T RF Antennas Inc’s complete portfolio of RF antenna components for solutions that are robust, compact and offer a high degree of linearity. Facing cost pressure but sill need high performance? The C&T RF Antennas Inc offers the best cost-performance ratio out there. In particular, our switches and cross switches let you enjoy a higher degree of design flexibility, resulting in a better trade-off between antenna performance and size.




Turn to The C&T RF Antennas Inc’s complete portfolio of RF antenna components for solutions that are robust, compact and offer a high degree of linearity. Facing cost pressure but sill need high performance? The C&T RF Antennas Inc offers the best cost-performance ratio out there. In particular, our switches and cross switches let you enjoy a higher degree of design flexibility, resulting in a better trade-off between antenna performance and size.


Design Expertise
C&T RF Antennas Inc’s highly experienced team will work directly with you to evaluate antenna characteristics and performance factors critical to developing the optimal antenna solution, including frequency band, gain and pattern shaping, radiation efficiency, and required form factors. C&T RF Antennas Inc has experience designing, testing and manufacturing antennas from low band VHF frequencies to over 10 GHz.


Why Choose a Custom Antenna?
C&T RF Antennas Inc's custom antennas address specific design challenges and requirements to provide an ideal antenna solution for any application.
Maximum Performance
Lower Cost Solution
Custom Multi-Band Capabilities
Custom Mechanical Requirement


Rola 433 MHz antenna spring built-in antenna internal antenna, A CB antenna spring is a metal coil that is typically installed between the mount and the antenna itself. Springs are added to antennas to provide stress relief to both the antenna and the antenna mount in wind and in situations when obstacles such as tree limbs are likely to be struck by the antenna.


Specifications:


Model: Built-in Helical Spring Antenna
Impedance: 50Ω 
Frequency: 433Mhz Rola
Gain: 1dBi 
Linear Radiation 
Omnidirectional / Directional Antenna 
Material Steel or Copper

Beam width:

H: 360°

V: 5°

VSWR: 1.5

Input impedance: 50Ω

Polarization: vertical

Maximum power: 20W

Lightning protection: DC ground


The C&T RF antennas Inc’s embedded/internal antennas are designed to directly integrate into devices requiring wireless capability. By embedding these antennas directly into a device, the need for external antennas is eliminated. These highly efficient low profile FPC/ PCB-based antenna solutions are ideal for embedded applications requiring integration flexibility.


In addition to our standard embedded antenna offerings, The C&T RF antennas Inc engineering can also custom design embedded antenna solutions to meet specific customer applications.


Qualified and experienced R&D staff
● mechanical engineering
● electronics / RF engineering
● process engineering
New methods and procedures
High-level equipment and CAD-Systems
Easy data exchange system


Our service:
●8 years experience of C&T RF Antennas Inc. mainly manufactures outdoor antenna, indoor antenna, marine antenna, the base station antenna, and tv antenna products. 
● Our sales will reply your inquiry within 24 working hours. 
● Customized design is available, OEM is welcomed. 
● Excellent after-sales service.




Custom Antenna Design
Custom Antenna Design & Manufacturing
Accelerate your wireless product development with C&T RF Antennas Inc's end-to-end custom antenna design and manufacturing.
C&T RF Antennas Inc, the custom antenna supplier for many of the world’s leading brands, offers state-of-the-art, turnkey OEM custom design services for a wide variety of antennas in frequencies from 30 MHz to 40 GHz. With the proliferation of diverse applications in both commercial and consumer markets, antenna design has become even more challenging for many manufacturers.
After decades of design engineering and OEM manufacturing experience, C&T RF Antennas Inc’s superior design, RF engineering, and testing practices have set the standard for high performance and reliability.

Applications
ISM bands (433/868/915 MHz) wireless communication for industrial applications, smart meter, RFID, M2M, etc.
LoRa/SigFox
DECT phone.
Characteristics
Linear polarization
Stable and reliable performances
The low-temperature coefficient of frequency
Low profile and compact size
RoHS compliance



The C&T RF antennas Inc’s embedded or internal antennas support a wide range of applications such as remote control,  data transfer, wireless sensor networks and WiFi.


The C&T RF antennas Inc’s embedded/internal antennas are designed to directly integrate into devices requiring wireless capability. By embedding these antennas directly into a device, the need for external antennas is eliminated. These highly efficient low profile FPC/PCB-based antenna solutions are ideal for embedded applications requiring integration flexibility.


In addition to our standard embedded antenna offerings, The C&T RF antennas Inc engineering can also custom design embedded antenna solutions to meet specific customer applications. This may include:


Custom shape and sizes
Mounting options such as double-sided tape to mounting holes in the PCB
Custom cable lengths and type
Multiple connector options including MMCX, U.FL SMA
Frequency and gain
Omni-directional or directional type
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