... when timeout Support APN/VPDN Support wireless video monitoring and dynamic picture transfer Support DHCP server and client, DDNS, firewall, NAT, DMZ host ... (DL/UL) TX power < 24dBm RX sensitivity < -109dBm GPS Module Receiver Type 50-channle GPS L1(1575.42MHz)C/A code ... ESD protection Data bits: 5, 6, 7, 8 Stop bits: 1, 1.5, 2 Parity: None, even, odd, space, mark Baud rate ...