How do I switch it to Amateur frequencies?

This is a GMRS only radio. It will not change to the amateur frequencies. There are other radios from QYT as well as B-tech that will allow access to amateur bands as well as GMRS frequencies. However this radios at not FCC approved for use on FRS and GMRS frequencies

speaker output- is the audio output a normal jack or something special? a 1/4" jack?

Believe or is a normal audio out Jack

Which Antenna does it use?

A Dual Band Antenna Patriot or Cushcraft. Some of the GMRS channels have been blocked in this model.

what would i buy to plug this in to an AC adapter at home instead of vehicle?

Will need to buy a power converter. 12 volt DC to 110/120 volt aC

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QYT KT-8900 25W GMRS Mobile Radio & Base Station,Long Range Two-Way Radio

Product ID: 373544594

Details

Brand
QYT
Color
Black
Frequency Range
462.5625 -
Item Weight
14.4 ounces
Number of Channels
200
Product Dimensions
4.65"D x x

📡25W dual-band power

📶200 programmable channels

🔒154 privacy codes

649.11 DT

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Description

📡 Stay Connected, Stay Ahead – Power Your Conversations with QYT KT-8900!

PRIVACY ON DEMAND - Choose from 50 CTCSS and 104 DCS privacy codes to block unwanted chatter and secure your conversations.
COMPACT YET RUGGED - Lightweight design with integrated control mic fits perfectly in vehicles or base stations, built for demanding outdoor and business use.
MASSIVE CHANNEL CAPACITY - Access 200 fully programmable channels including 15 GMRS and 8 repeater channels to stay connected in any environment.
UNMATCHED DUAL BAND POWER - Seamlessly switch between VHF (136-174MHz) and UHF (400-480MHz) with up to 25W output for crystal-clear long-range communication.
VERSATILE FUNCTIONALITIES - Enjoy advanced features like FM radio, PTT-ID, DTMF keypad, remote stun/activate, and noise reduction for professional-grade communication.

The QYT KT-8900 is a professional-grade 25W dual-band GMRS mobile radio and base station offering up to 12 miles of reliable communication. Featuring 200 programmable channels, 154 privacy codes, and advanced functions like remote activation and noise reduction, it’s designed for overlanders, off-roaders, and business users who demand secure, long-range connectivity. Lightweight and FCC-licensed, this radio elevates your communication game with versatile, crystal-clear performance.

Specifications

ASIN	B09G962T3J
Additional Features	Lightweight / Dual Band / Noise Reduction / CARRIER / CTCSS / DCS / 5Tone / 2Tone / DTMF /ANI
Best Sellers Rank	#478 in Portable FRS Two-Way Radios
Brand	QYT
Built-In Media	1x 2.8 ft DC Cable with Cigarette Plug Connector, 1x Microphone with DTMF Keypad, 1x Mobile Transceiver, 1x Mounting Bracket(Fuse and Screws included), Cable
Color	Black
Compatible Devices	Devices with VHF and UHF frequency range and compatible output power
Connectivity Protocol	DTMF
Customer Reviews	4.1 4.1 out of 5 stars (56)
Frequency Range	462.5625 - 462.7125MHz, UHF:400-480MHz, VHF: 136-174MHz
Impedance	50 ohm
Item Dimensions D x W x H	4.65"D x 3.86"W x 1.38"H
Item Highlight	Integrated Control Mic,Lightweight,50 CTCSS & 104 DCS Privacy Codes,200 Channels – All Programmable for Repeater Use
Item Type Name	Two Way Radios
Item Weight	14.4 ounces
Manufacturer	QYT
Mfr Part Number	KT-8900-BLACK
Model Number	KT-8900-BLACK
Number of Channels	200
Number of Packs	1
Talking Range Maximum	12 mile
Temperature Range	-5℉ to 140℉ °F
Tuner Type	UHF
UPC	717977012829
Unit Count	1 Count
Voltage	13.8 volts_of_direct_current
Warranty Description	3 months warranty
Water Resistance Level	Not Water Resistant

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649.11 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Zainab N.

Fantastic and great service. Shipping was faster than expected.

1 week ago

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