Echolink & zello controller Radio-Network Differential Rotation Controller

Description

Echolink & zello controller Radio-Network Differential Rotation Controller
Description
This product features:
1, with a dedicated network karaoke USB sound card chip, so that the sound is clearer, the noise floor is lower.
Another advantage is that you can specify YY to use USB sound card, the computer's own sound card can be used to watch movies or play music, without affecting each other.
2, use a dedicated USB chip to detect the radio signal of the station, use the SQL signal to control the YY software forwarding.
Replace the original VOX trigger.
The voltage induced by the connection line is prevented from falsely triggering YY forwarding.
The anti-interference ability has reached a super level.
3, using professional sound detection chip, detect the sound of the computer speaker to control PTT, so that the hand station or relay forwards the sound of the computer speaker.
4, the computer side control hand PTT, optocoupler for optical isolation, to ensure that computer noise will not crosstalk to the hand.
5, with a customized high-quality isolation transformer, isolated USB sound card audio and hand audio, further reduce interference!
6, with magnetic beads, isolated power interference and high frequency radiation.
7, PCB uses high-quality materials: FR4 double-panel, fire rating: 94V0, all components on the board use high-quality patch components.
8, with an all-metal casing, to isolate all space interference.
9, increase the relay cooling fan relay power pad (only consider that some HAM friends use the relay to control the fan, so reserved on the circuit board).
10, increase the anti-smashing function that everyone needs.
(If you need this function, please leave a message when you take it, because the default is no such function)
Interface board finished box kit list:
1 interface board finished box (with matching radio connection cable).
2 USB cables (from the computer USB port to take power and sound data transmission & USB detection).
Shipping
Item will be shipped within 24 -48 hours after full payment is received.
Normally the shippment to worldwide is used to take 25 to 30 business days, exclude Sat & Sun.
Payment
We accept PayPal only.
Payment must be received in 7 business days of auction closing.
Please leave note for your special request (e.g. Colors or Size) in ebay note when you pay the order.
Any special request cannot be accepted after 24 hours of payment,because most of orders will be processed instantly and same day dispatched.
Contact Us
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