Two-Way Radio For Field Team Communication
Hefei Humantek Co., Ltd. is one of the leading manufacturers and suppliers of two-way radio for field team communication in China. With a professional production team, we are able to meet the needs of the majority of our customers. Welcome to buy bulk high quality two-way radio for field team communication from our factory.
The YingMi M1 is a mini two-way radio engineered and manufactured in-house for teams that need dependable channel communication in the field - from tour operations and event venues to multi-site group coordination. Designed, tooled, and quality-tested at YingMi's own factory, not sourced from a third party.
Products Features
16-Channel Selection with Voice Announcement
Cycle through 16 channels with a long key press; the M1 reads the active channel back in Chinese or English, so field teams can confirm their channel without checking the display.
VOX Hands-Free Transmission
Voice-activated transmission with 9 adjustable sensitivity levels and 0.5–3 second delay lets field staff communicate hands-free during active coordination.
QT/DQT Sub-Audio Channel Privacy
50 analog QT codes plus a custom 60.0–260 Hz range, and 105 digital DQT codes plus a custom D000–D777 range, keep a team's two-way radio traffic filtered from other nearby users.
Frequency-Hopping Encryption & Busy Channel Lockout
Optional frequency-hopping encrypts signaling data for added privacy, while busy channel lockout prevents transmission over an already-active channel to reduce cross-talk.
Product Details
The YingMi M1 mini two-way radio is built around configurability. Every core function - channel assignment, VOX sensitivity, sub-audio codes, timeout limits, and voice announcement language - is set through YingMi's PC programming software, allowing an entire fleet of radios to be standardized identically before deployment to field staff.
Timeout Timer (TOT)
A programmable timeout timer caps any single transmission from 15 to 600 seconds, adjustable in 15-second steps, so one user can't hold a shared channel open indefinitely during group coordination.
Key Lock
Pressing the two volume/channel keys together locks and unlocks the keypad, preventing accidental channel changes while the radio is clipped to a belt or carried in a pocket.
Low Battery Alert
When battery runs low, the M1 issues a voice prompt every 30 seconds and flashes its transmit LED red, giving field staff advance warning before the radio shuts down.
Charging & Battery Care
The M1 is designed to charge only with the original YingMi 5V/1A charger. As with any lithium battery device, avoid exposure to open flame, high heat, or water immersion, and stop use if the battery shows signs of swelling.
Application Scenarios
Tour Operations
Guides and support staff stay coordinated across multi-stop routes, independent of the guest-facing audio guide channel.
Event & Venue Staff
Floor teams, security, and logistics staff coordinate across large venues where quick channel switching matters.
Group Excursion Leaders
Trip leaders and drivers maintain a private field team communication channel throughout a group excursion.
Technical Specifications
| Product Type | Mini two-way radio (walkie-talkie) |
|---|---|
| Channels | 16 |
| VOX Sensitivity | 9 adjustable levels |
| VOX Delay | 0.5 / 1 / 1.5 / 2 / 2.5 / 3 seconds |
| Analog Sub-Audio (QT) | 50 standard groups + custom range 60.0–260 Hz |
| Digital Sub-Audio (DQT) | 105 standard groups + custom range D000–D777 |
| Timeout Timer (TOT) | 15–600 seconds, adjustable in 15-second steps |
| Busy Channel Lockout (BCL) | Programmable on/off |
| Frequency Hopping Encryption | Programmable via PC software |
| Programming Password Protection | Supported, configured via programming software |
| Voice Channel Announcement | Chinese / English / Off |
| Charging | Original YingMi 5V / 1A charger only |
| Manufacturing | Designed and produced in-house by YingMi; OEM/ODM available |
OEM/ODM
As the original manufacturer of the M1 mini two-way radio, YingMi supports OEM/ODM programs for buyers sourcing field team communication devices in volume - from private branding to configuration and firmware adjustments tailored to a buyer's deployment.
- Private label housing, packaging, and branding
- Pre-configured channel, VOX, and sub-audio settings shipped ready for deployment
- Firmware and language customization for voice channel announcements
- Factory-direct pricing for volume orders
- In-house design and quality testing, with no third-party resale layer
FAQs
Q: What makes the M1 different from a standard consumer walkie-talkie?
A: The M1 is engineered specifically as a field team communication device, with programmable VOX, sub-audio privacy, busy channel lockout, and frequency-hopping encryption - features aimed at coordinated group use rather than casual, short-range chatting.
Q: Can YingMi manufacture a customized version of the M1?
A: Yes. As the original factory, YingMi supports OEM/ODM customization for buyers who need branding, firmware adjustments, or configuration changes for their own field team communication rollout.
Q: How many M1 units can operate on the same channel without interference?
A: Multiple units can share a channel; QT/DQT sub-audio codes and busy channel lockout are what keep one team's traffic separated from other radio users nearby on the same frequency.
Q: What is the minimum order for an OEM/ODM M1 order?
A: Minimum order quantities and lead times vary by customization scope - contact our factory team directly for current OEM/ODM terms.
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