RB37 Built-in Bluetooth Radio RB37 RB637 Bluetooth-earphone

Wireless Bluetooth two-way connection easy to talk.

RETEVIS Wireless Bluetooth headset

The operation is simple and the sound quality is good.

Good sound quality

RB37 Built-in-Bluetooth flashlight USB chargeable

Bluetooth earphone Bluetooth earphone box

Product number	RB637
Frequency range	PMR446
Channel number	16CH
Channel spacing	12.5KHz
Standby current	≤20mA
Operating temperature range	-10℃~+50℃
The antenna impedance	50Ω
Rated Voltage	3.7V
RF Power	0.5W
Audio Distortion	＜5%
Frequency Stability	±2.5ppm
Maximum Frequency Deviation	≤5KHz/≤2.5KHz
Remanent Radiation	≤7uW
Modulation Mode	1 6KφF3E/ 11KφF3E
Reference Sensitivity	≤0.25uV/≤0.3uV
Noise-free Sensitivity	≤0.2uV/≤0.25uV
Adjacent Channel Selectivity	≥65dB
Spurious Response Rejection	≥55dB
Inter-Modulation	≥60dB
Electric Current	≤1.3A

Wireless Bluetooth two-way connection easy to talk.
Bluetooth headset call range: ≤10M; working time: 5-8 hours.
Unique design, with large aperture lighting.
The operation is simple and the sound quality is good.
Wireless data transmission between walkie-talkies without programming software.
Eliminate the tail tone to avoid the impact noise from the loudspeaker at the end of the call.
VOX enables normal calls without the need for PTT keys.
SQL can adjust the ideal call environment in real time.
Super long standby time.

Bluetooth wireless connection
Powerful Torch Light
Monitor
Alarm function
VOX
VOX delay function
Key locks
Scan
TOT
Type-C Charger
Wireless copy: Wireless data transmission between walkie-talkies without Programming Software.