With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
c3gCdmaHistory1xRttRssiPerHour
Cisco 3G Cdma History1x Round Trip Time Rssi Per Hour
1.3.6.1.4.1.9.9.661.1.2.6.5.1.3
Per-hour 1xRTT weakest RSSI value history. This object contains a per-hour history of 1xRTT weakest RSSI values for the last 72 hours. The octet in the string is the weakest RSSI value measured in an hour interval.
Back to CISCO-WAN-3G-MIB MIB page.
IPHost Network monitor allows you to monitor c3gCdmaHistory1xRttRssiPerHour on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.