Thats the 40 ch version.Have a look here:
Modding PLL UPD858 in Midland 77-883
Hey everyone I'm trying to modify a new radio. It's a Midland 77-883 AM only radio. PCB is marked as PC-152AC. It has an 858 PLL which I was really looking forward to modding until I ran into a few issues. Perhaps they're not really issues as much as confusion on my part. Here is the...www.worldwidedx.com
73
Jeff
It is the B model, which uses the 858 pll. I did manage to mod it but all i get are lowers.Looks like it might be a 23ch PLL model.