SHENZHEN MODI TECHNOLOGY CO.,LTD. specialise in Bluetooth/2.4G products R&D, producing and marketing . Our Bluetooth solutions mainly for the group communication applications and purposes . In the past 4 years ,we have helped our clients developed a lot Bluetooth products of motorcycle intercom/interphone ,support 4 riders /6 riders ,group communication range of 2Km-4KmOur present solution.- Bluetooth long working range 800m-1200m (between two devices ,open space).- Active noise cancellation technology . Applied for motorcycles high speed riding up to 120Km/h ,resisting wind noise .- Bluetooth group communication , full duplex ,dul-chipset ,support 4 -6 members range of 2.4Km-4Km.Our new product and future R&DWe developed the first bicycle Helmet BT headset,which support 4 cyclists to make team communication range of 2.4Km. More ,we have a Bluetooth Hub/adaptor ,function to transfer 2-way radio to work wireless . These are new to the market ,welcomed by many users already . We will develop blow soon :1. The second version product of bicycle Helmet BT headset . Will be lighter , new designed and better function . The MP will be ok when Oct 2016.2. "Dynamic Meshwork communication" solution .This new solution could allow a big group of 100 "listener" and several inside small communication team of 5-10 members , all by dynamic meshwork ,in and out freely .