[Transmission type]：GPRS
[Power]：30~33dBm
[Size]：42*40*9.7mm
[Interface]：UART
[Weight]：7.7±0.1g
[Introduction]：E840-TTL-GPRS03 is a new generation wireless module developed by Ebyte. The software of this product is fully functional and covers most of the conventional application scenarios. Users can realize the transparent transmission of bidirectional data from serial port to network server through simple setting.
| Value | Description |
| Support Band | Quad Band: GSM850, EGSM900, DCS1800, PCS1900 Module automatically searches for frequencies Band selection can be set by AT command Compliant with GSM Phase 2/2+ |
| GPRS connection characteristic | GPRS multi-slot class 12 (default) GPRS multi-slot class 1~12 (configurable) GPRS mobile station class B |
| GPRS data feature | GPRS data downstream transmission: up to 85.6kbps GPRS data upstream transmission: up to 85.6kbps Encoding format: CS-1, CS-2, CS-3 and CS-4 Support for PAP (Password Authentication Protocol) protocols commonly used for PPP connections Support is usually used for CHAP (Interrogation Handshake Authentication Protocol) protocol Embedded protocol: TCP/UDP/FTP/PPP/HTTP/NTP/MMS/SMTP/PING, etc. Support for unstructured supplementary data services (USSD) |
| Value | Description |
| Antenna | IPEX |
| Data interface | TTL@3.3V compatible with 5V |
| Baud rate | Max of 921600bps, 115200bps as default |
| TX power | Class 4 (2W)： GSM850 and EGSM900 Class 1 (1W)： DCS1800 and PCS1900 |
| Current consumption (typical) | 48mA@5V (idle) 22mA@12V（idle） 14mA@20V（idle） |
| Operating temperature | -30℃- +70℃；extending to -40℃~+85℃ |
| Operating voltage | DC：5V~18V；powered by lithium battery：3.8V~4.6V |
| Size | 42×40×9.7 mm |
| SIM card holder | MICRO SIM card holder |
| 3GPP frequency | 1 Timeslot | 2 Timeslot | 4 Timeslot |
| CS-1 | 9.05kbps | 18.1kbps | 36.2kbps |
| CS-2 | 13.4kbps | 26.8kbps | 53.6kbps |
| CS-3 | 15.6kbps | 31.2kbps | 62.4kbps |
| CS-4 | 21.4kbps | 42.8kbps | 85.6kbps |