I want to use this for aprs in the usa (144.390 mhz tx & rx) can this be done at the factory? how to contact them?

Thanks for your concern on our product. We can tune the frequency to meet your requirement. Contact us by Amazon message as Amazon will remove any email address here. You can search "Fumei VHF 136-174MHz 30W Duplexer for Radio Repeater with N/M/BNC/SMA connectors" or B07HKDJ2RS from Amazon, then you place an order on it, and tell us your desired frequency.

Can this be setup for cross band repeating (tx uhf, rx vhf)?

No. This is specific to VHF and would not do UHF frequencies.

Do you have a model that can handle up to 65w?

First, I must ask if it is for amateur radio use? For 2 meter repeaters, the Fumei duplexer WILL NOT WORK as it requires at least 3 Mhz between frequencies. The 2 meter repeaters are only 600 khz.

We are using hand-held walkies at a specific vhf frequency for tx and rx. how would the repeater have to be tuned, and and the hand-helds programmed?

This must first be answered from the "legal" FCC side of the house. Are you talking amateur radio or commercial? For amateur radio, the spacing between tx and rx is 600 khz, for commercial it is, usually, 5 Mhz. For commercial repeaters, you must have your license coordinated (the FCC will not approve it otherwise). Also, if it is amateur, keep in mind that the Fumei duplexer must have at least 3 MHz difference between the transmitter and receiver. This duplexer WILL NOT work for 2 meter amateur use.

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Fumei VHF 136-174MHz 30W Duplexer for Radio Repeater Tuned Low Frequency 156MHz & High Frequency 163MHz & N Female connectors

Fumei VHF 136-174MHz 30W Duplexer for Radio Repeater Tuned Low Frequency 156MHz & High Frequency 163MHz & N Female connectors

Product ID: 487886680

Details

Brand
Fumei
Colour
Black
Data transfer rate
174 MHz
Included components
Instruction
Wireless communication standard
Radio

🎯Tunable 136-174MHz range

📡30W max power input

🔧N female connectors, easy setup

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VT54701

Duties & taxes included

In stock

Sold byAmazon VanuatuDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

📡 Elevate your radio game with precision power and crystal-clear clarity!

POWERFUL 30 W HANDLING - Robust power input supports demanding radio repeater setups
LOW LOSS HIGH ISOLATION - Isolation >80dB & V.S.W.R <1.3 ensures crystal-clear signal quality
USER FRIENDLY DIY TUNING - Comes with clear tuning instructions for hands-on frequency customization
WIDE FREQUENCY FLEXIBILITY - Adjustable across 136-174MHz to future-proof your communication needs
PRECISION TUNED FOR VHF MASTERY - Factory preset at 156MHz & 163MHz for seamless repeater integration

The Fumei VHF 30W Duplexer is a high-performance radio repeater accessory designed for the 136-174MHz frequency range. Factory-tuned at 156MHz and 163MHz with N female connectors, it offers low signal loss (80dB) to ensure superior communication quality. Its durable design supports operating temperatures from -25℃ to +55℃, making it ideal for professional VHF radio setups with easy DIY tuning capabilities.

Specifications

ASIN	B07S747ZQ5
Box Contents	Instruction manual
Brand Name	Fumei
Colour	Black
Compatible Devices	Router
Connector Type	RJ45
Customer Reviews	4.1 4.1 out of 5 stars (11)
Data Transfer Rate	174 MHz
Frequency Bands Supported	VHF
Item Weight	1.08 Kilograms
Manufacturer	DotDotTech
Range	136, 174 MHz
UPC	680491661500
Wireless Compability	Radio Frequency

Reviews

G**G

Tuned and deployed. Works well.

24.08.2020

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