How to make Retevis H777 talk with H777S?

Both H777 and H777S are analog radio, if make them can talk with each other, please keep same frequency and CTCSS/DCS in same channel. Let us detailedly study how to make Retevis talk with H777S?

1.What you need to do

A.You need a C9018A programming cable for programming: https://www.retevis.com/2-pin-programming-cable-for-retevis-h777

B.Download and install usb driver and software for H777 and H777S by this link: https://www.retevis.com/resources-center

2.How to make Retevis H777 talk with H777S

A.Here’s a blog detail introduction about how to programme H777: https://www.twowayradiocommunity.com/how-to-programme-h777/

Programming a frequency in H777 software

TX frequency: 465.23500

CTCSS/DCS ENC: 67
TX frequency: 465.23500

CTCSS/DCS DEC: 67

2.Progrmme H777S with same steps with H777

After H777 and H777S programme done, then try to talk each other, if they can TX/RX indicate it’s success to programme

Do you know how to make Retevis H777 talk with H777S? if you have anything questions, please contact us by email, vip@retevis.com, thanks