iTALK U1 specifications
Review product capabilities and deployment conditions. Consult QHD for complete electrical, interface and compatibility details for your project.
Communication and connectivity
- Supported apps
- iTALK, Zello, Crew Talk, Weila
- Bluetooth version
- Bluetooth 6.2
- Voice audio
- HFP two-way voice
- Voice codecs
- mSBC preferred, with CVSD fallback
- Control protocol
- BLE GATT for PTT, status and device management
- Operating band
- 2.4 GHz ISM; channel center frequencies 2.402-2.480 GHz
- Simultaneous connections
- 1 phone
- Reconnection
- The device advertises again; the phone initiates the connection
- Talk control
- Physical PTT button; PTT LOCK for sustained talk
- Channel selection
- Device buttons; channels configured in the iTALK App
- Pairing
- Dedicated Bluetooth pairing button
Audio components and connections
- Microphone
- 1 omnidirectional analog MEMS microphone
- Microphone component sensitivity
- −38±1 dBV/Pa (1 kHz, 94 dB SPL, VDD=2.75 V, unloaded output)
- Microphone component acoustic overload point
- Typical 135 dB SPL (1 kHz, THD=10%, normal mode)
- Listening
- Built-in speaker or 3.5 mm TRS earhook receiver
- Speaker impedance
- 8 Ω±15%
- Speaker power
- Rated 1 W, maximum 1.2 W (1 cm³ test cavity)
- Speaker sensitivity
- 81±3 dB SPL (0.1 W, 0.1 m, average at 3/4/5/6 kHz)
- Earphone socket
- 3.5 mm TRS
- Earphone driver
- MAX97220A
- ENC
- Not supported
- Echo suppression and sidetone
- Supported
Battery and power
- Battery
- 802020 lithium battery pack, 300 mAh, nominal 3.7 V
- Battery life
- Over 10 hours
- USB port
- USB Type-C for charging and firmware updates
- Charging input
- 5 V / 1 A
- Battery charging current
- 500 mA
- Use while charging
- Supported
Wearing and environment
- Wearing options
- Rear clip or magnetic attachment
- Operating temperature
- 0-45 °C
- Storage temperature
- −10-45 °C
- Customization
- Front logo available for OEM customization
In the box
- Device
- U1 device
- Earphone
- 3.5 mm earhook receiver
- Documentation
- User guide
