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Kalsten | Signal amplifier for mobile phones

Kalsten | Signal amplifier for mobile phones

Name: Kalsten | Signal amplifier for mobile phones
Brand: Kalsten
SKU: Wiio+11841888715020
Price: 70.99 USD
Availability: InStock

$70.99

3-Day Express Shipping

Easy 14-Day Returns

Support Mon–Fri

Quantity

1 piece

2 pieces

4 pieces

6 pieces

FEATURES:

Incredible effect – as if your mobile device had a 1.2-meter-long antenna.
Enhances signal reception while minimizing static in boats, cars, buildings, tunnels, and mountainous areas.
Works with all analog, digital, and tri-band smartphones.
Stops call drops.
Simple installation – just peel off and stick it inside your battery compartment.

INSTALLATION INSTRUCTIONS:

Remove the back cover of your phone, take out the batteries, and clean the surface where you will place the signal sticker. Next, peel a signal booster from the blister pack and attach it to the phone's antenna with the "TOP SIDE" facing up. Replace the batteries and the back cover, then turn your phone on.

TECHNICAL DATA:

Type: Signal booster
Color: Gold
Weight: 18g
Dimensions: 3.5 × 2.0 cm
Quantity: 1/2/4/6
Delivery content: 1/2/4/6 pieces of mobile signal boosters;

IMPORTANT NOTICE:

This product attaches directly to the back of the phone, and it's not necessary to open the battery compartment!

Please allow for minor discrepancies due to manual measurements.

The actual color of the item may vary slightly from the images due to different monitor settings and lighting conditions.

Free standard shipping on all orders. No minimum purchase.

Ships to: United States
Processing: 1–4 business days (Mon–Fri)
Transit: 5–10 business days
Total delivery time: 6–14 business days
Order cut-off: 5:00 PM PST

You will receive a tracking number by email once your order ships. Please allow up to 48 hours for tracking to update.

See our full Shipping Policy.

You have 14 days from delivery to request a return.

Email support@open.shop with your order number to start a return.
Items must be unused, complete, and in their original packaging.
Return label: flat $9.99 USD, deducted from your refund — nothing to pay upfront.
Damaged, defective or incorrect items: we cover all return and replacement costs.
No restocking fees.
Exchanges: contact us and mention "exchange" — the new item ships once your return arrives.
Refunds are issued within 7 business days of inspection.

See our full Return Policy.

Questions about your order or our products? We're happy to help.

Open
Hooizolder 214
Drachten Friesland 9205CD
Netherlands

Email: support@open.shop

Customer Service:
Monday to Friday, 8:00 AM – 6:00 PM PST (excluding public holidays)

We reply to all messages within 24 hours on business days. Weekend messages are answered on Monday.

For quick answers, visit our FAQ page or use our Contact Form.

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