ACEIRMC ESP8266 ESP 12 ESP 12F NodeMcu Mini D1 Module WeMos Lua 4M Bytes WLAN WiFi Internet Development Board Base on ESP8266 ESP 12F for Arduino,Compatible with WeMos D1 Mini (5pcs) Micro sold2025 transceivers and radio speaker mics AC wide voltage input transceivers and radio speaker mics jacks fits standard two way radios transceivers and radio speaker mics for such as MOTOROLA Common Applications Doors Machinery Automotive Applications Broken Handles Workbench Joining Outdoor Activities Fishing Rock Climbing Clamp Specs Clamp base: 2 1 8” x 2 3 8” Mounting holes: 5 16” spaced 1 5 8” x 1 1 2” apart Latch pate: 1 1 8” x 1 1 2” Mounting holes: 23 64” spaced 3 4” 5 16” U bolt: 2” x 5 1 4” Clamp adjusts from 1 2” (distance from latch plate to clamp base) to 1 1 2” Clamp height when clamped: 3” Total length range supported (except D0) you need set up CH340g driver