eWON4001™
Installation Guide
ver 2.1
page 12 of 31
5.2 Embedded PSTN Modem
5.3 Embedded GSM/GPRS Modem
5.3.1 Recommendations for the GSM/GPRS antenna
A dual band GSM/GPRS antenna is available as accessory (ref EW40902). Here are our recommendations if you
prefer to supply this antenna by yourself:
Specification
PSTN 33
PSTN 56 LS
Max baud rate
(V34) 33.600 bps
(V92) 56.000 bps
Compliant to standards
47 CFR part 68 (USA)
CTR-21 (EUR)
Approved by
TÜV Rheinland USA
Certificate number
AU7MD01BMC56
Pinout phone line connector
See label and appendix (PSTN phone line connector on page 31)
Leased Line mode
No
Yes
Table 7: PSTN modem specification
Specification
GSM/GPRS
GSM/GPRS US
Bands
Dual-band EGSM900/1800 MHz
950/1900 MHz
GPRS Class
Class 10
Max baud rate
14.400 bps
Compliant to standards
R&TTE + GCF
Certificate number
---
Antenna connector
Type SMA-F
Table 8: PSTN modem specification
Specification
Value
Description
GSM/DCS gain GSM antenna
Dual band 900/1800 MHz
Gain dB
+2 dB @ 900 MHz
+0 dB @ 1800 MHz
Max antenna cable length
(recommended)
5m
Antenna cable termination
required to be compatible with
the eWON
SMA-M
Warning: adapter SMA-M/FME-M to be
inserted if antenna has FME-F termination
(available as spare)
Table 9: Recommendations for the GSM/GPRS antenna