A pair of external FRP antennae are included with the Hollyland Solidcom M1-4B Full-duplex Wireless Intercom System with 4 Belt Packs. The Solidcom M1 greatly increases transmission range while also enhancing on-site work efficiency and flexibility by integrating these two antenna choices.

Features

Industry-First Solution To Power Up to 1300ft-Radius Communication Range
Enhanced Audio Quality. Let Your Voice be Heard Crisp and Loud
Intuitive Grouping at A Single Tap
Multi-Device Cascade Connection for Hassle-Free Group Communication
Born Rugged, Take It Anywhere with You
Out-of-the-Box Convenience
Ergonomic Button Layout for Smooth & Precise Operation
A Plethora of Choices for Your Ears
Say No to Low-Battery Anxiety
Mdel: HL-Solidcom M1-4B

What's included:

Station x 1
Beltpack x 4
Charging Base x 1
High Gain Omnidirectional Antenna x 2           
LEMO Single-Ear Headset x 4
RJ45 to XLR Cable (5 meters) x 1          
USB-Type-A to Type-C Cable x 1
POE Adapter x 1
4Pin XLR Adapter x 1
Battery for Beltpacks x 8
3/8 Installing Accessory x 1
User Guide x 1