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Jmtech Jm-D2188 5W Dmr Digital Radio with Lora Mesh Technology for Long Range Communication
| Price | $55.00 |
|---|---|
| Min Order | 2 Pieces |
| Availability | In Stock |
| Shipping From | Fujian, China |
| Popularity | 366 people viewed |
Model NO.:
JM-D2188
Certification:
FCC, ISO, RoHS, CE
Channels:
32
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:
-25ºC~+65ºC
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
Trademark:
JM Tech
Transport Package:
Standard Box Packing
Specification:
Size: 153.5*54.5*35.5mm
Origin:
Fujian, China
HS Code:
8517142000
Product Description
Jmtech JM-D2188 5W dmr digital radio with Lora Mesh Technology for long range communication
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.
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.
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