E70-DTU(433NW30-GPRS) wireless modem to GPRS network server
[Frequency]：431~446.5MHz
[Power]：30dBm
[Distance]：6.5km
[Weight]：257±5g
[Introduction]： E70-DTU (433NW30-GPRS) is a wireless modem to GPRS network server, which realizes the transparent transmission of Sub-1G and GPRS network data.
| NO. | Name | Function |
|---|---|---|
| 1 | Grounding screw | Ground connection |
| 2 | DC8~28V | Power adapter interface, power supply range 8~28V, recommended 12V/24V |
| 3 | DC8~28V- | Power reference ground |
| 4 | DC8~28V+ | Power input, power supply range 8~28V, 12V/24V is recommended |
| 5 | Reset | System reset button |
| 6 | USB | Micro USB：parameter configuration interface |
| 7 | Reload | Press 4~10s to restore the factory Settings |
| 8 | PWR | Red: power indicator |
| 9 | WORK | Yellow: data transmission indicator light; The light flashes when there is data transmission |
| 10 | LINK | Yellow: network indication, always on when in network |
| 11 | NET | 4 G/GPRS antenna interface (SMA - K external thread hole, 50 Ω characteristic impedance) |
| 12 | SIM | SIM card slot |
| 13 | RF | RF antenna interface (SMA - K external thread hole, 50 Ω characteristic impedance) |