welcome,guest
Negotiable
The date of payment from buyers deliver within days
Beijing
Long-term effective
2017-09-28 22:16
96
Company Profile
By certification [File Integrity]
Contact: hksfgt(Mr.)
Email: 
Telephone: (86 755) 82908961 Ext:808 (86 755) 23736289
Area: Beijing
address: Room 21L, Bld. 9C, Baoneng, Technology Park, No.1 Qingxiang, Road, Longhua New District, Shenzhen, Guangdong, China (518000)
Website: http://hksfgt.masxlyjjx.com/
| Transmitter system indicators: | |||||||
| Frequency range | 400-470MHz | ||||||
| RF power | 5W | ||||||
| Voltage | DC 12V | ||||||
| Current | ≤1.5A | ||||||
| Rate | 1200/2400/4800/9600bps | ||||||
| Interface | RS-232 | ||||||
| Frequency deviation | ≥ 5.0kHz | ||||||
| Adjacent channel power | ≥70dB | ||||||
| Modulation | FSK/MSK | ||||||
| Frequency stability | ±2.5ppm | ||||||
| Channel spacing | 25kHz | ||||||
| Transmission distance | 3-8km | ||||||
| Temperatures | -30-70°C | ||||||
| Size | 85x58x16mm | ||||||
| Weight | 500g | ||||||
| Receiver system indicators: | |||||||
| Frequency range | 400-470MHz | ||||||
| Receiving sensibility | ≤-119dBm (more than 12dB SINAD) | ||||||
| Adjacent channel selectivity | ≥65dB | ||||||
| Intermodulation rejection | ≥65dB | ||||||
| Clutter and images rejection | Clutter and images rejection | ||||||
| Packaging details: | |||||||
| Accessories | 1*5.5dBi antenna (about 700mm) 1*connection line |
||||||
| Style | Color gift box or paper carton | ||||||
| Size (only for reference) | 850*137*65mm | ||||||
| Overall weight | 1.8kg | ||||||
| Connection definition with terminal: | |||||||
| Pin No. | Signal Name | Definition | Description | Remarks | |||
| Power | 1 | VCC | DC 12V±10% | Maximum transmission current: 2A | |||
| 2 | GND | Grounding of power supply | |||||
| Signal base | 1 | GND | Grounding of power signal | ||||
| 2 | DATA RX | Data receiving | TTL RX/RS232 RX/RS485－A | Choose one | |||
| 3 | DATA TX | Data transmitting | TTL TX/RS232 TX/RS485－B | ||||
| 4 | PTT | Transmission control | For external control | ||||
| 5 | AFOUT | Audio output | Audio | ||||
| 6 | SQ | Carrier detect | TTL | ||||
| 7 | NC | For expanding | |||||
| 8 | NC | For expanding | |||||
