| Customization: | Available |
|---|---|
| Certification: | FCC, ISO, RoHS, CE |
| Communication Distance: | >12km |
|
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Jmtech JM-925 8W CB Radio 25.615-30.105MHz Long Range HF Tranceiver Radio with AM FM SSB
Feature :
| High power output: 8W (H/L power selective) | ||
| Frequecny range: 25.615-30.105MHZ (3 groups selectable) | ||
| 40 storage channels | ||
| AM and FM mode switchable | ||
| AM and FM mode squelch level adjust | ||
| RF gain control | ||
| Keypad lock | ||
| Scan | ||
| Frequency is fixed and unprogrammable |
| General Specifications | |
| Modulation mode | AM/FM |
| Frequency range | 25.615-30.105MHz |
| Frequeny tolerance | ±5.0ppm |
| Input voltage | 13.2 |
| Dimensions:(mm) | 109*104*25 |
| Weight:(g) | 421 |
| Frequency control | PLL Synthesizer |
| Operating Temperature Range | -25ºC~ + 50ºC |
| Current Drain | Transmit: 2A MAX |
| Receive: Squelched 0.3A | |
| VOL Max: 0.8A | |
| Antenna Connector | UHF, SO-239 |
| Transmitter Specifications | |
| Power output | 8 Watts FM/AM |
| Transmission interference | inferior to 4nW(-54dBm) |
| Frequency Responce | 300-3000Hz |
| Modulated signal distortion | inferior to 5% |
| Output Impedance | 50 ohms |
| Receiver Specifications | |
| Sensitivity | Less than 1uV or 10dB(S+N)/N |
| Image Rejection | 70dB |
| Adjacent Channel Rejection | 60dB |
| IF Frequencies | 1st 10.695MHz |
| 2nd 455Khz | |
| Audio Output Power | 1 watts |
| Squelch | less than 1uV |
| Frequency Responce | 300-3000Hz |
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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.
UHF does better in and around buildings. If you use the radios in both environments, we prefer using UHF band.
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