
RC9150 at an international conference – 100 channels for multi‑language interpretation
By HOTUS Technology | April 2026
International conferences, multi‑language summits, and large‑scale corporate events face a common challenge: how to deliver clear, real‑time interpretation to hundreds of attendees without costly infrastructure or audio bleed between languages. The RC9150 2.4GHz Wireless Tour Guide System solves this with 100 interference‑free channels, 20mW high output power, and all‑day battery life – making it the go‑to choice for professional event organizers.
The Problem with Traditional Interpretation Systems
Conventional interpretation setups – whether infrared (IR) or wired – come with significant limitations:
Infrared systems require line‑of‑sight and fail in outdoor or brightly lit venues.
Wired systems restrict audience movement and require expensive booth installation.
Basic RF systems offer too few channels, causing crosstalk when multiple languages are used.
Battery life on many portable receivers barely lasts a half‑day session.
The RC9150 eliminates all these pain points with 100 independent channels on the robust 2.4GHz band – no line‑of‑sight required, no interference, and no expensive infrastructure.
100 Channels: Unlimited Languages, Zero Crosstalk
With 100 selectable channels, the RC9150 can support up to 100 simultaneous language interpretations – far more than any typical conference needs. This abundance of channels means:
Each language group gets its own dedicated, crosstalk‑free channel.
Technical sessions, breakouts, and plenary halls can each have their own channel groups.
Event organizers never have to worry about channel conflicts or “frequency coordination.”
The PLL frequency synthesis technology ensures rock‑stable channel locking, even in RF‑dense environments like convention centers with hundreds of other wireless devices.

Interpreters trust RC9150 for crystal‑clear transmission across 100 channels
20mW High Output Power: Reliable Audio Across Large Venues
Most tour guide systems operate at 10mW – sufficient for small groups in quiet rooms. But large conferences demand more. The RC9150 delivers 20mW output power, providing:
Longer effective range – 200 meters in open areas, through walls, and across multi‑room venues.
Better signal penetration – No dropouts when attendees move into exhibit halls or breakout rooms.
Cleaner audio even at distance – Less background hiss and interference.
For event planners, this means no dead zones – attendees can step out for coffee, visit sponsor booths, or move between sessions without losing their interpretation feed.
All‑Day Battery Life: 15h Transmitter / 30h+ Receiver
Multi‑day conferences are brutal on battery‑powered equipment. The RC9150 is built for endurance:
Transmitter standby: 15 hours – enough for two full conference days.
Receiver standby: over 30 hours – attendees can use the same device for a 3‑day event without recharging.
Both units use 3.7V 1800mAh lithium batteries – high capacity, reliable, and rechargeable.
For organizers, this means no midnight charging marathons and no last‑minute battery swaps during keynotes. Hand out receivers on day one, collect them on day three – worry‑free.

Attendees enjoy crystal‑clear interpretation – even in large halls
Professional Audio Quality: 20Hz–20kHz Frequency Response
Interpretation isn't just about being heard – it's about being understood. The RC9150 maintains a full 20Hz–20kHz frequency response, preserving the natural tone and nuance of the interpreter's voice. This wide range ensures:
No “tinny” or “muffled” sound – listeners hear natural speech.
Reduced listening fatigue during long sessions.
Clear differentiation between similar‑sounding words – critical for accurate interpretation.
Real‑World Case: Global Tech Summit
A 3‑day international tech summit with 1,200 attendees from 40 countries used the RC9150 to deliver interpretation in 8 languages across 5 parallel sessions. Results:
Zero audio interference or crosstalk – despite 8 language channels running simultaneously.
Attendee satisfaction for audio quality: 94% – highest among all event services.
No device failures or battery issues – despite 10‑hour daily sessions.
Setup time: under 30 minutes – one‑key sync made deployment effortless.
The event organizer has since standardized on RC9150 for all multi‑language events.
Getting Started with RC9150 for Your Next Event
HOTUS Technology offers event rental packages and sample units for conference organizers to test the RC9150 before committing to a full deployment. OEM/ODM customization is available for permanent installations or branded equipment.
Don't let language barriers limit your audience. The RC9150 100‑channel wireless tour guide system delivers professional interpretation that scales from small boardrooms to international convention centers.

Ready for any scale – RC9150 supports up to 100 channels
Contact HOTUS Technology to discuss your conference interpretation needs, request samples, or explore rental options for the RC9150 system.