Jmtech Jm-D2188 5W Dmr Digital Radio with Lora Mesh Technology for Long Range Communication

• Customization: Available
• Certification: FCC, ISO, RoHS, CE
• Channels: 32
• Model NO.: JM-D2188
• Communication Distance: <8km
• Display Type: No Display
• Frequency Range: VHF136-174MHz / UHF400-470MHz
• Water Resistance Level: IP55
• Battery Capacity: 2600mAh
• Color: Black
• Output Power: 5W
• Weight: 220g
• Operation Voltage: DC7.4V
• Operated Temperature: -25℃~+65℃
• Channel Spacing: 25/12.5kHz
• Warranty: 12 Months
• Battery Working Time: More Than 10 Hours
• Lora Mesh: Yes
• Repeater Function: Yes
• Call Type: Mixed
• Display: Without Display
• Type: Handheld
• Signal Type: Digital
• Transport Package: Standard Box Packing
• Specification: Size: 153.5*54.5*35.5mm
• Trademark: JM Tech
• Origin: Fujian, China
• HS Code: 8517142000
• Production Capacity: 1000PCS/Month

Product Description

 Jmtech JM-D2188 5W dmr digital radio with Lora Mesh Technology for long range communication

Features: 
 

Brand Name: JMT/JMTech

Item No.JM-D2188

Color: Black

Frequency:UHF 400-480 MHz

Channel No.:16 CHANNEL

Battery Capacity:2600 Mah

Output Power: 5 W

Weight:220g(with battery, antenna)

Channel Spacing: 25KHZ/12.5KHZ

Working Temperature:-20-°C+55°C

Modulation Distortion:≤5%(300-3000hz)
Lora Mesh Network
Each Radio has repeater Function

 
Technical Specifications:

General specifications
Frequency		136-174MHZ or 400-480MHz
Channels		32 channels
Operating Temperature		-20ºC~+55ºC
Battery Capacity		2600mAh walkie talkie
Transmit current		≤2.5A
Frequency Stability		±2.5ppm
FM modulation mode		12.5KHz@11K0F3E 25KHz@16K0F3E
Size (without antenna)		118*58*30mm
Modulation distortion		≤5%
Output power		5W
Operating voltage		7.4v Two Way Radio
Function		LORA Mesh network
Function		Repeater Function

Company Information 


Customer Good Feedback 


FAQ

1.Q: Why sometimes your partner's voice is intermittent?
   A: Please note that you are within normal communication range, If you want use radio in distance range, please change other antenna with a bigger output power.If still same problem,please send the radio back to your authorized dealer repair.

2.Q: Can't turn on talky and even it is switch on, it often shuts off automatically?
   A: Please check the battery contacts on the walkie talkie. If it is broken or twisted, please return the radio to your authorized
dealer for maintenance during warranty.

3.Q: Can't transmit or receiver signal with other members?
   A: First, please verify that the channel frequency and the CTCSS you are used the same as those of your group members.
Please make sure that you and your partners are all withinthe radio coverage, If the channel frequency and the CTCSS
are the same.

4.Q: Why sometimes received voice from other groups?
   A: Two way solutions.You can change another channel or change another channel frequency by PC software.

5. Q: Which is better -VHF or UHF?
    A: epends on the terrain. The UHF signal is attenuated or absorbed by foliage, rough terrain and trees, VHF does better
outdoors. The VHF has difficulties penetrating steel and concrete, UHF does better in and around buildings. If you use
the radios in both environments, we prefer using UHF band.