Can I use a 14.4 volt 5A power supply?

Yes, up to 16 volts. Less than one ampere, key down on CW.

What is max DC voltage this can take? I just bought this on Amazon. I already have a 14.4 volt AC/DC power supply for my X6100. Will it work?

I have read it will work up to 16 volts. Works at 14.7volts, making 5 watts.

What is included with this transceiver? What comes in the box when it’s delivered?

Assembled one with 3D printed case (orange)，Plug and play. Include: one unit of assembled rig and one unit DC.

Can you use a 3s battery with this?

3S li ion battery pack can be used with this Qrp rig. There are two ways of powering. The first is a usb connection for 5 volts and I believe 1/2 watt out. The second is to use a tubular dc power connector which is supplied with the unit. If you use 12 volts the specs say you will get somewhere near 5watts but I’ve heard rumors in some units it’s a little less wattage. The 3d printed battery boxes that slide on the back of the radio are for 3 18650,s nominal 3.7 v to 4.2 volts max each in series for 11.1 to 12.6 volts. I personally bought a 3S power brick rather then a 3S shrink wrapped type brick.

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Malahit tr usdx transceiver 5-Band usdx Multimode QRP Assembled with case by PE1NNZ and DL2MAN

Product ID: 492561411

Details

Antenna
Radio
Brand
Malahit
Color
Orange
Impedance
50 ohm
Manufacturer
Malahit Tech
Maximum Range
1000 meters

📡5 bands (80/60/40/30/20m) coverage

🔋5W max output @13.8V, 0.5W USB powered

🖥️OLED display + onboard mic & speaker

RM1012

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Description

🚀 Elevate your QRP game with the (tr)uSDX — where compact meets cutting-edge!

PLUG PLAY READY - Pre-assembled with a sleek 3D printed orange case—get on air straight out of the box.
MULTI BAND MASTERY - Seamlessly operate across 5 HF bands with future upgrades planned for even more frequencies.
BUILT IN TUNING TOOLS - Integrated SWR bridge and voltage/current meters empower precise antenna tuning and optimal performance.
POCKET SIZED POWERHOUSE - Compact 90x60x30mm design fits your mobile lifestyle without compromise.
SMART FIRMWARE FLEXIBILITY - Easily program your call sign and update firmware via USB with clear step-by-step instructions.

The Malahit (tr)uSDX is a pre-assembled, ultra-compact 5-band multimode QRP transceiver designed for amateur radio enthusiasts. Featuring a powerful Class E PA delivering up to 5W at 13.8V and 0.5W from USB power, it supports CW, LSB, USB, AM, and FM modes. Its vibrant OLED display, onboard mic, speaker, and emergency PTT key enable versatile operation. The device includes a 3D printed orange case with raised lettering, integrated SWR bridge, and voltage/current measurement hardware for precise tuning. Firmware is user-programmable via USB, allowing call sign customization. Perfect for millennial pros seeking a portable, high-tech radio experience with future expandability.

Specifications

ASIN	B0BJ247SNL
Antenna	Radio
AntennaDescription	Radio
Best Sellers Rank	#438 in Portable FRS Two-Way Radios
Brand	Malahit
Color	Orange
Customer Reviews	4.4 out of 5 stars 205 Reviews
Impedance	50 ohm
Item Weight	230 g
Manufacturer	Malahit Tech
Maximum Range	1000 meters
Mfr Part Number	UK-RDMJH7102510BDAAEC
Number of Channels	2
Number of Items	5
Number of Packs	1
Unit Count	1 Count
Warranty Description	1 years warranty

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RM1012

Duties & taxes included

In stock

Sold byAmazon MalaysiaDelivered 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 Malaysia.

Secure transaction

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Join PRO →

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TrustScore 4.5 | 7,300+ reviews

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