Double Bases
| Description: 1. Super-long distance, 48km in open areas. 2. Several extensions are available. 3. Base can have a mobile handset. 4. Frequency range: 130-138MHZ 225-238MHZ 5. Two-way security code: Safe and protects against thievery. 6. Applications: islands, boundaries, mines, jungles, mountains, farms, country-side. 7. Dimensions: Base 245 x 165 x 46mm Sub-base 245 x 165 x 46mm |  | 
 双座机一套包括室外天线两付、ф5馈线20m、电源两个、电话线两条、选件:加手机、一主机带多个付机、15W、20W | 
|  |  | |
| 室外天线 | ф5 馈线 | |
|  |  | |
| 电话线 | 主机外接电源 | 
| Technical information: | ||
| Emission pattern | base | sub-base | 
| Antenna impedance | 50Ω | 50Ω | 
| Residual Rediation | 60dB | 60dB | 
| Emission Current | 1000mA | 1000mA | 
| Frequency Current | 5KHz | 5KHz | 
| Receiver pattern | base | sub-base | 
| Sensitivety(dual) | 0.25uV | 0.25uV | 
| Stand-by Current | 60mA | 60mA | 
| unti jam | 70dB | 70dB | 
| Rated Voltage(DC) | 12V-15V | 12V-15V | 
| Distance of conmmunication(in open space) | 30Km-60Km | |
| volume | 260x260x60mm | 260x260x60mm | 
| weight | 3300g | 3000g | 
| Note:AC Voltage of Base and Sub-base:200V-240V | ||