RC2401 vs OKAYO WT-300 G2 vs Sennheiser 2020: Choosing the Right Wireless Tour Guide System for Trade Shows
After more than a decade in the audio-visual industry, I can tell you that no event stresses a team out quite like a trade show floor. It's a controlled storm of overlapping conversations, live demos, and HVAC hum. As a booth presenter, you're competing for jet-lagged, distracted buyers, and the line between qualified leads and wasted investment often comes down to one piece of hardware: the wireless tour guide system you deploy. Choosing the right system isn't about flashy marketing—it's about on-the-ground performance. Can it handle interference? Does it support international buyers' languages? Can staff deploy it without an IT technician? That's why I've put together this cross-brand comparison, focusing on the exhibition scenario, pitting our Richitek RC series (RC2401, RC2406, RC085) against the OKAYO WT-300 G2 and Sennheiser 2020. If you're evaluating trade show wireless audio solutions, this breakdown will help you see past the spec sheets.
RC2401: The Agile Workhorse for Booth Reception
For standard booth reception and one-on-one product explanations, our RC2401 wireless audio guide system is the unsung hero. It operates on the 2403-2483 MHz (2.4G ISM) band, a critical advantage over the OKAYO WT-300 G2's 863-865 MHz UHF range, which requires a license in many regions like the EU. At an international trade show, the last thing you want is to be flagged for using unlicensed spectrum. With 50 channels, a 10-hour transmitter battery, and a 20-hour receiver battery, the RC2401 is built for a 9-to-6 expo day. Weighing just 59 grams, it's unobtrusive for presenters. Compared to the OKAYO WT-300 G2, you get a lighter unit with a license-free frequency and battery life that ensures no mid-afternoon swaps. It's perfect for one presenter guiding a small group of 5-6 buyers.

RC2406: Conquering Multi-Lingual Chaos with 80 Channels
As your booth scales, so does audio complexity. In large exhibitions with multiple tour groups running simultaneously—English, Mandarin, Spanish—cross-talk becomes your biggest nightmare. This is where the RC2406 80-channel tour guide system shines. Sharing the 59g form factor and 10/20-hour battery life of the RC2401, its internal architecture offers 80 selectable channels, allowing multiple parallel tours without signal crossover. Compare this to the Sennheiser 2020, which only offers 6 channels. In a dense environment with 4-5 language groups starting simultaneously, 6 channels is dangerously insufficient, forcing strict schedule coordination. The RC2406 gives you the freedom to start tours on demand without frequency management headaches, ensuring your European buyers don't hear the Chinese tour guide's voice bleeding through their headsets.

RC085: UHF Power and Professional Mic for VIP Receptions
For VIP client receptions or high-stakes demos, we offer the RC085 digital tour guide system. Operating on the 470-510 MHz UHF band, it offers 100 channels and includes a professional-grade lapel microphone—a game-changer for presenters who prefer hands-free operation and superior voice pickup. Against the Sennheiser 2020, the conversation shifts to value. The Sennheiser sits in a $300-500+ per set bracket, making it prohibitive for a team of 20 guides. The RC085 offers similar professional quality and a higher channel count (100 vs 6) at a fraction of the cost. Its UHF band also penetrates physical obstacles like concrete pillars and glass partitions common in convention centers, making it ideal for important receptions where audio dropouts are unacceptable.

Head-to-Head Specification Comparison
To make the decision easier for your procurement team, here are the core specifications stripped of marketing jargon.
| Feature / Model | Richitek RC2401 | Richitek RC2406 | Richitek RC085 | OKAYO WT-300 G2 | Sennheiser 2020 |
|---|---|---|---|---|---|
| Frequency Band | 2403-2483 MHz | 2403-2483 MHz | 470-510 MHz (UHF) | 863-865 MHz | 863-865 MHz |
| Channels | 50 | 80 | 100 | 80 | 6 |
| Transmission Distance | 1-200m | 1-200m | 1-200m | Not Specified | Not Specified |
| TX Battery Life | 10 hours | 10 hours | 12 hours | Not Specified | Not Specified |
| RX Battery Life | 20 hours | 20 hours | 20 hours | Not Specified | Not Specified |
| TX Weight | 59g | 59g | 60g | Not Specified | Not Specified |
| License Required (EU) | No (2.4G) | No (2.4G) | Yes (UHF) | Yes | Yes |
| Key Advantage | Cost-effective, Easy | Anti-interference, Multi-group | Pro Mic, High Power | Economic Team Guide | High-end Fidelity |
Scenario-Based Selection Guide
Here is a quick reference guide based on field observations of how our clients use these systems.
| Exhibition Scenario | Recommended Model | Why This Choice? |
|---|---|---|
| Standard Booth Reception (1-2 groups) | RC2401 | License-free 2.4G band, easy deployment, high cost-performance for basic tours. |
| Multi-Lingual / Parallel Tours (3+ groups) | RC2406 | 80 channels prevent cross-talk between groups, essential for dense interference zones. |
| VIP Client / High-Stakes Demo | RC085 | Professional MIC included, UHF reliability, 100 channels for maximum flexibility. |
| International Travel (EU Focus) | RC2401 / RC2406 | Avoids the 863-865 MHz licensed band, ensuring legal compliance without extra paperwork. |
How to Choose for Your Next Exhibition
When deciding, evaluate three things: tour scale, language requirements, and deployment speed. For a small booth with one guide, the RC2401 is best for its simplicity and cost. For a massive pavilion with multiple delegations, the RC2406 is non-negotiable for its 80-channel anti-interference. For high-value clients needing the best audio pickup, the RC085 wins. Also, all RC series transmitters feature Type-C charging, so you can charge them with the same power banks you use for your phones—a logistical advantage over bulkier solutions. For a comprehensive look, review our complete wireless tour guide system lineup.
Final Thoughts and Next Steps
Choosing the right system ensures your message is heard clearly in the loudest environment on earth. While the OKAYO WT-300 G2 serves as a basic budget option and the Sennheiser 2020 represents the premium tier, our RC series offers a middle path that often outperforms both in specific trade show scenarios. We provide 2.4G license-free flexibility, up to 100 channels, and 20-hour battery life, all in a lightweight 59g profile. If you're planning an exhibition and need help choosing, or want to customize devices with your brand logo, we're here to help. As a factory with OEM/ODM experience, we tailor hardware to your needs. For more insights, browse our comparison and VS pages. Contact our team today to secure a quote.