Business Use Two Way Radio TH-850plus

Professional Wireless Two Way Radio


TH-850plus 10W high power multifunctional professional two way radio has IPX6 waterproof rate, super large capacity 3500mAh Li-ion battery, long time standby. Noise suppression function can solve the communication problem in the noise environment,such as manufacturer, tunnel construction etc. Military standard design can be suitable for a variety of professional applications,such as police, trains, metal mines, tunnels, large construction sites etc.

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Frequency Range

VHF: 136-174MHz/350-390MHz


Channel Number


Channel Space

25 /12.5KHz

Operating Voltage

DC 7.4 V



Battery Life

More than 20 Hours(by5-5-90working cycle)

Frequency Stability

±2.5 ppm

Operating Temperature

-20℃ ~+55℃

Antenna impedance



120mm X60mmX40mm(without antenna)


260g(Including batter )


Wide band

Narrow band

Power Output





Spurious Emission



Adjacent Channel Power



Audio Distortion



Wide band

Narrow band

RF Sensitivity (12db SINAD)

0.20 μV


Adiacent Channel Selectivity



Intermodulation Rejection



Spurious Response



Audio Power Output


Audio Distortion


*Specifications above are in accordance with the applicable standard, due to the continuous development of technology, specifications above are subject to change without prior notice.


Standard Packing

Payment Method

Trade Assurance  / Bank transfer / Western Union / MoneyGram / Paypal / L/C

Our Services

Tesunho is aim to be the leading industrial walkie talkie solution supplier. So our service consists of 3 important parts:

1. Basic Warranty:

√ Replacement: Free new walkie talkie if it can not work at once it arrives.

√ Free maintenance and parts (without artificial faulty ) :



Main Unit

365 days

Battery and Charger

90 days

Antenna and other parts


√ Paid maintenance and parts: for artificial faulty

2. Brand OEM service:

√ partly OEM service

√ complete OEM service

3. Technical ODM service:

√ partly OEM service

√ complete OEM service

3. Technical ODM service: 

We have abundant of experience on industrial needs customization
√ Rail way station communication device
√ Hotel inner wifi communication structure
√ Security Guard Patrol system with walkie talkie
√ Irrigation Patrol system
√ Intelligent Parking system
√ Logistics Management system


1.How POC Radio work?
A: It needed poc radio, sim card and real ptt account, contact us for more explaining
2.How to program radio?
A: It need real ptt account, real ptt account password, URL, Apn. Pls feel free to contact us, we will offer you programming instruction and guide one by one step.
3.What is your MOQ?
A: 2 piece for normal stock; different quantities for OEM or ODM,which is determined by different  task  workload. Kindly contact us for more information.
4.What is your payment terms?
A: 30% deposit in advance and 70% balance before shipment.

About Us:

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Decent Appearance

Unique and perfect model accords with ergonomic design, better and more comfortable user experience.

Clear Loud Sound

High-power and 40mm large diameter speaker design make sound clear and loud, there is high quality communication even in a noisy environment.

ID Alarm

When the radio alarm sounds, if you set the remote alarm, the radio can also emits a warming signal to the native companion and the radio ID number, indicates who is crying for help .

IPX6 Waterproof

Unique waterproof function protect the radio more safely.

ChargeOn Radio

You don’t have to disassemble the battery, can Charge directly on the radio with the power supply adapter. It makes your travel uninterrupted.

Main Function

Monitor Function

Press the monitor button to turn on the receiving circuit, check voice on the current channel. This function is particularly effective for receiving weak signal.


To avoid listening to a unrelated call on the same channel. When transmitting, your signal can be received by the radio set the same CTCSS/DCS.

Noise Suppression Function

In the noisy environment, when the radio use the noise suppression function,the partner can listen your voice clearly.

Battery Save Function

When no signal receiving or operation, it can reduce the consumption of battery capacity. When receiving signal or operation, the battery save function can be automatically turned off.

Power On Battery Indicator

It indicates the battery capacity each time you turn on the radio. Blue lightening three times means battery capacity is full, twice means battery capacity is moderate, once means low battery.

Low Power Indicator

When battery capacity is low, it will indicate automatically“low battery”to remind the user to charge the battery. When low battery, it is forbidden to transmit.

Time Out Timer

It can Restrict the users transmit long time in a channel, it can also avoid damage of the radio due to long time transmitting.

Keypad Lock Function

Lock the up and down button,in case of the channel is changed unintentionally.

Wide/Narrow Band Option

The wide/narrow band can be chosen through programming software. Default value: wide band.

Flashlight Function

The bright flashlight make your nighttime usage more convenient and uninterrupted.

*Due to the continuous development of technology,specification above are subject to change without prior notice.


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