JM-D2188
FCC, ISO, RoHS, CE
32
<8km
No Display
VHF136-174MHz / UHF400-470MHz
IP55
2600mAh
Black
5W
220g
DC7.4V
-25ºC~+65ºC
25/12.5kHz
12 Months
More Than 10 Hours
Yes
Yes
Mixed
Without Display
Handheld
Digital
JM Tech
Standard Box Packing
Size: 153.5*54.5*35.5mm
Fujian, China
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.