- This item has been set by factory with low frequency 462MHz, high frequency 467MHz and N female connector type, it is easy to build your repeater.
- It is tunable between 400-470MHz, you can turn it by yourself when you have the tools.
- Contact us before order it if you want other frequency setting or connector type.
- 10% off promotion is ongoing
Steps to tune the frequency
1. Prepare the tools:
* three-port network analyzer
* 50W dummy load with N male connector
* 2 x RF cable from duplexer to the network analyzer
(From N Female to N/M/BNC connector base on your network analyzer connector type )
* slotted screwdriver
* spanner
2. Connect the cables
If want to adjust the low frequency, connect the low port with 50W dummy load, and connect the other two ports on duplexer to the network analyzer.
If want to adjust the high frequency, connect the high port with 50W dummy load, and connect the other two ports on duplexer to the network analyzer.
3. Tune the frequency
Power on your network analyzer, according the guidance on frequency network, using it to monitor the frequency, adjust the six screw poles on duplexer with slotted screwdriver to the frequency you want.
4. Fasten the screws
Use spanner to fasten the screws on above step.
Notice:
The item in Amazon warehouse was already set the frequency to 462MHz and 467MHz, and Amazon can not set it to other frequency and send to you.
But we can tune and ship this product from China with other low and high frequency. Just access
https://www.amazon.com/gp/offer-listing/B07FGFX6Q4/ref=dp_olp_new_mbc?ie=UTF8&condition=new
Then choose the second one Add to cart (Ships from China) to place an order to us. To speedup the delivery time, we will send them from Hong Kong Post Office, this will take 1-2 weeks usually.
Package Includes:
1 x duplexer