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50W UHF 400-470MHZ RF Power Amplifier Walkie Talkie DMR DPMR P25 C4FM SFK Analog

Detail 

 
 
The main function of the 50W RF power amplifier is to amplify the original low power of the 400-470MHZ wireless transmitting device, so that the small device has a large power to make the communication distance farther and clearer. The product integrates a dedicated high-speed program-controlled RF watchdog, which can drive the half-duplex automatic transmission and reception conversion circuit at high speed. It is suitable for all U-segment intercoms and digital transmission equipment on the market, and can perfectly support digital DMR, DPMR, P25, C4FM, SFK frequency hopping. And traditional linear simulation mode.
 
specification:
 
Input power: 1-5W
Output Power : 20W-50W max
Transmission frequency: 400-470MHZ
Receiving frequency: 50-1000MHz
Working mode: half duplex (cannot be received in the transmitting state)
Receive loss: -1DB ±0.4
Output power: 25-45W
Supply voltage: 10-13.8V
Standby current: about 10-30mA
  Cooling method: housing + heat sink for natural heat dissipation, low noise and quiet
Minimum size: 125MM*75MM*60MM
 
How to connnect:
The red wire is connected to the positive pole of the power supply +12V, with the black wire connected to the negative pole of the power supply. The small SMA threaded port is connected to the intercom through the cable, and the large M head is connected to the transmitting antenna.

1. We ship your  orders within 1-2  business days after  the payment  received.

2. Item shipped via  Singapore Post or  HongKong Post , It  takes about 7-14  business days (USA,CA,AU,UK).others  country 10-20  business  days(Brzil,India,RU),Exact  delivery time  depends on postal  process.

3. If you do not  receive your item(s)  by 30 business  days,Please feel  free to contact us  via ebay mail system  , we will try our  very best to resolve  any problems with  you 

 

1. PayPal payment accepted only.

2. Items will be shipped to your eBay address. Please make sure it is correct.

3. Payment must be received 4 days after auction ended.

1. Customer satisfaction is our top goal. We believe our items are so outstanding. All products are quality checked. They are new and in good condition when shipped to our customers. We are convinced you will be happy with your Purchase.

2. If product is defective or damage upon arrival, or wrong product shipped, please contact us immediately. Returns accepted within 14 days of delivery date and item must be in original new condition, not worn or altered in any way with attached tags & wrap. Otherwise deal is final. Return shipping must be paid by buyer. 

3. Please contact us first if you have any problems/questions/concerns. We will be happy to resolve any issues you may have in a cordial and friendly manner.

4. We appreciate your Postive Feedback, and will do the same in return. DO NOT leave negative feedback without first communication with us. Please allow max 2 business days for us to response. 

When you satisfied with our product and services please leave us positive feedback.

If a problem occurs, contact us immediately with any email request. Just contact us using the " Ask the seller a question" link on eBay. 

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