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Item specifics
  • Model Number: K1C21005SM
  • Booster: 2100MHz Repeater
  • Gain: 55db
  • Signal Amplifier: Car Amplifier
  • Band: Single Band
  • Place of Origin: Guangdong, China (Mainland)
  • is_customized: Yes
Product Description


2100MHz Car Repeater Vehicle Signal Booster 3G WCDMA Smart Phone Amplifier Kit



2100MHz 55db gain Car Repeater

Significantly improves voice and data quality
Greatly reduces disconnects and drops call
Works wirelessly with multiple cell phones and data cards simultaneously 
Receives and transmits better than your cell phone 
Extends cell phone battery life 
Easy to install and operation 

This Mobile Cell Phone Signal Booster is designed to boost multiple users with maximum power. It is best used in the following applications: 

1.    Car

2.    Truck/RV/Boat

Compatible Carrier:

Network Type 


Application Area 





Asia/Africa /SouthEast Asia/Middle East/Europe

Main frequency for 3G/UMTS 2100MHz Mobile carriers


 The standard 3G frequency for Optus, Three (3), Vodafone and Telstra\'s non-NextG services.NOT SUPPORT Optus and Vodafone 900MHz 3G network







Frequency Range                  



Max. Gain ( dB)                      



I/O Port                                

                 SMA-Female on both ends                         



Operating Temperature               


Power Supply                       

AC100~240V 50/60Hz 1A; DC 5V/2.0A                   


114x 86 x 27mm (4.5 x 3.4 x 1 inch)                     




















Pckage Includes:

 1* 55dB 2100MHz car use signal Repeater

 1 * 3dBi Gain Outside Magnetic Mounted Antenna

 1 * 3dBi Gain Inside Patch Mounted Antenna

 1 * Cigarette Lighter Adapter

 2 * Mounting Kits

1 * English User Manual



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1.We accept Alipay, West Union, TT. All major credit cards are accepted through secure payment processor ESCROW.

2. Payment must be made within 3 days of order.

3. If you can\'t check out immediately after auction close, please wait for a few minutes and retry Payments must be completed within 3 days.2) Payment must be made within 3 days of order.



2.We Accep Dropshipping.Please confirm your address is right.

3. Orders processed timely after the payment verification.
4. SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays.Transit times may vary, particularly
during the holiday season.
5. If you have not received your shipment within 30 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction!
6. Our shipping time is about 2-3 working days after get payment.
7. Delivery Time:




1.We are not responsible for any custom duty or import tax.Buyer need pay by themselves.

2.We only can help buyer to reduce tax throught write low value on customs invoive.

Thank you for your understanding.

3.Because of customs tax\'s problem,parcel is returned,buyer need pay all charge including round-trip freight.

1. You have 7 days to contact us and 30 days to return it from the date it was received. If this item is in your possession more than 7 days, it is considered used and WE WILL NOT ISSUE YOU A REFUND OR REPLACEMENT. There are NO EXCEPTIONS! Shipping cost is bear by both seller and buyer in half.
2. All returned items MUST BE in the original packaging and you MUST PROVIDE us with the shipping tracking number, specific reason for the return, and your po#.
3. We will refund YOUR FULL WINNING BID AMOUNT, upon receipt of the item in its original condition and packaging with all components and accessories included, AFTER BOTH Buyer and Seller cancel the transaction from aliexpress. OR, you may choose to have a replacement.  
4. We will bear all the shipping cost if the product(s) is (are) not as advertised.

1. 12 months Manufacturer`s limited Warranty for defective items (excluding items damaged and/or misused after receipt). Accessories come with a 3-month warranty.
2. Defective items MUST BE reported and returned within the warranty period (and in the original packaging, if possible). You must tell us what the defect is and give us your order number. WE DO NOT REPAIR OR REPLACE ITEMS WITH AN EXPIRED WARRANTY.
You agree to all of the above-listed policies upon ordering on aliexpress!

We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important We request that you contact us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns.
It is impossible to address issues if we do not know about them!
Packaging Details
  • Unit Type: Set
  • Package Weight: 1.0kg (2.20lb.)
  • Package Size: 20cm x 15cm x 10cm (7.87in x 5.91in x 3.94in)
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Packaging Details
  • Unit Type: Set
  • Package Weight: 1.0kg (2.20lb.)
  • Package Size: 20cm x 15cm x 10cm (7.87in x 5.91in x 3.94in)
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