2W酒店餐厅KTV免执照对讲机JM-228
2W酒店餐厅KTV免执照对讲机JM-228
2W酒店餐厅KTV免执照对讲机JM-228
- 产品详情
- 产品参数
Features of two way radio 2 watt
Frequency range: 400-470 or 136-174
Power output: 2-3W H/L power select
Battery capacity:1200MAh
PC programming
Wide/narrow band(25KHz/12.5KHz)
Channel number indication
Time-out timer(TOT)
Busy channel locked(BCL)
Bulit in CTCSS/DCS
Technical Specifications of two way radio 2 watt
Model | JM-228 |
Power Supply | 3.7V DC ±20% |
Operating Temperature | -20℃~ + 50℃ |
Size Dimensions: L x W x H(mm) | 110 x 58 x 34mm |
Weight | 210g |
Number of Channels | 16 |
Frequency Range | 136MHz-174MHz |
400MHz-470MHz | |
Frequency Stability | 3ppm |
Power Output | ≤5W |
Modulation Limiting | ±≤5KHz@25KHz |
FM Hum & Noise | 45dB@25KHz |
Conducted/Radiated Emission | -36dBm < 1GHz, -30dBm > 1GHz |
Adjacent Channel Power | -65dB @ 25KHz, |
Audio Distortion | < 5% |
Sensitivity(12 dB SINAD)EIA | 0.20μV@20/25KHz typical |
Intermodulation EIA | 60 dB |
Rated Audio | 1 W |
Intermodulation Rejection | Better than 60dB |
Standby Current | 40mA |
Transmitting | 1.3A |
