Nanjing Cetu Surveying Instrument Co., Ltd.
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| Brand Name: | CETU |
| Model Number: | Gjsy Js970A |
| MOQ: | 1 |
| Price: | $10-30 |
| Payment Terms: | T/T advance; Western union; MoneyGram,etc. |
| Supply Ability: | 1000 |
1. Non-magnetic horn, anti-iron filings, dust-proof, waterproof and drop-proof
2. The theoretical communication distance is 5 kilometers
3. Digital integrated technology design
4. Chinese and English voice reporting/digital and analog sub-audio functions
5. Network alarm function/4000mAh lithium battery/transmission power ≤5w
| Frenquency range | 136~174MHz/ 403~470MHz |
| Working temperature range | -30ºC~+60ºC |
| Number of channels | 16 tunnels |
| Working method | Same frequency simplex or different frequency simplex |
| Size | 128*66*43mm |
| Weight | 128g(including battery set) |
| Modulation method | FM(F3E) |
| Maximum frequency offset | ≤ ±5KHz |
| Residual wave radiation | <-60dB |
| Emission current | ≤1.5A |
| Frequency stability | ±2.5ppm |
| Receiver sensitivity | <0.18μV |
| Audio power | ≥400MW |
| Stand-by current | 72mA (36mA in power saving state) |
