Parts E490231 / 4.9 GHz IDU terminal, 27 Mbps + 2xT1/E1 expandable to 55 Mbps + 4xT1/E1; includes AC adapter K00B490231 / Upgrade Key, EX-4.9i single terminal, 27 Mbps + 2xT1/E1 to 55 Mbps + 4xT1/E1. K00B491231 / Upgrade Key, EX-4.9r single terminal, 27 Mbps +2xT1/E1 to 55 Mbps + 4xT1/E1. K00B49A231 / Upgrade Key, EX-4.9r version 2, single terminal, from 27Mbps +2xT1/E1 to 55Mbps +4xT1/E1. K00B492231 / Upgrade Key, EX-4.9r-c single terminal, 27 Mbps + 2xT1/E1 to 55 Mbps + 4xT1/E1. K00B49C231 / Upgrade Key, EX-4.9r-c version 2, single terminal, from 27 Mbps + 2xT1/E1 to 55 Mbps + 4xT1/E1. K001581001 / Upgrade Key, EX-5r single terminal, from 100 Mbps to 200 Mbps. K00D581241 / Upgrade Key, EX-5r IP single terminal, from 55 Mbps to 100 Mbps. K00E581241 / Upgrade Key, EX-5r IP single terminal, from 55 Mbps to 200 Mbps. K00F581241 / Upgrade Key, EX-5r IP single terminal, from 100 Mbps to 200 Mbps. K00A50P031 / Upgrade Key, EX-5r Lite, single terminal, 55 Mbps to 100 Mbps. K00B50P031 / Upgrade Key, EX-5r Lite, single terminal, 27 Mbps to 55 Mbps. K01450P031 / Upgrade Key, EX-5r Lite, single terminal, 27 Mbps to 100 Mbps. K01550P031 / Upgrade Key, EX-5r Lite, single terminal, 0xT1/E1 to 2xT1/E1. K01650P031 / Upgrade Key, EX-5r Lite, single terminal, 0xT1/E1 to 4xT1/E1. K01750P031 / Upgrade Key, EX-5r Lite, single terminal, 2xT1/E1 to 4xT1/E1. E50P001 / 5 GHz tri-band ODU version 3 terminal, 100 Mbps + 0xT1/E1. K00150A001 / Upgrade Key, EX-5r version 3, single terminal, from 100 Mbps to 200 Mbps. K01550A001 / Upgrade Key, EX-5r v3, single terminal, 0xT1/E1 to 2xT1/E1. K01650A001 / Upgrade Key, EX-5r v3, single terminal, 0xT1/E1 to 4xT1/E1. K01750A001 / Upgrade Key, EX-5r v3, single terminal, 2xT1/E1 to 4xT1/E1. K001582001 / Upgrade Key, EX-5r-c single terminal, from 100 Mbps to 200 Mbps. K00D582241 / Upgrade Key, EX-5r-c IP single terminal, from 55 Mbps to 100 Mbps. K00E582241 / Upgrade Key, EX-5r-c IP single terminal, from 55 Mbps to 200 Mbps. K00F582241 / Upgrade Key, EX-5r-c IP single terminal, from 100 Mbps to 200 Mbps. K00D50C741 / Upgrade Key, EX-5r-c IP Version 2 single terminal, from 55 Mbps to 100 Mbps. K00E50C741 / Upgrade Key, EX-5r-c IP Version 2 single terminal, from 55 Mbps to 200 Mbps. K00F50C741 / Upgrade Key, EX-5r-c IP Version 2 single terminal, from 100 Mbps to 200 Mbps. K00A50Q031 / Upgrade Key, EX-5r-c Lite, single terminal, 55 Mbps to 100 Mbps. K00B50Q031 / Upgrade Key, EX-5r-c Lite, single terminal, 27 Mbps to 55 Mbps. K01450Q031 / Upgrade Key, EX-5r-c Lite, single terminal, 27 Mbps to 100 Mbps. K01550Q031 / Upgrade Key, EX-5r-c Lite, single terminal, 0xT1/E1 to 2xT1/E1. K01650Q031 / Upgrade Key, EX-5r-c Lite, single terminal, 0xT1/E1 to 4xT1/E1. K01750Q031 / Upgrade Key, EX-5r-c Lite, single terminal, 2xT1/E1 to 4xT1/E1. E50C001 / 5 GHz tri-band ODU version 2 terminal, 100 Mbps + 0xT1/E1 K00150C001 / Upgrade Key, EX-5r-c version 2 single terminal, 100 Mbps to 200 Mbps. K01550C001 / Upgrade Key, EX-5r-c v2, single terminal, 0xT1/E1 to 2xT1/E1. K01650C001 / Upgrade Key, EX-5r-c v 2, single terminal, 0xT1/E1 to 4xT1/E1. K01750C001 / Upgrade Key, EX-5r-c v 2, single terminal, 2xT1/E1 to 4xT1/E1. E4510A1 / 4.5 GHz ODU terminal, 110 Mbps + 0xT1/E1 K00F4510A1 / Upgrade Key, single terminal, EX-4.5r GigE 110 Mbps to 220 Mbps. K00G4510A1 / Upgrade Key, single terminal, EX-4.5r GigE 0xT1/E1 to 4xT1/E1. K00J4510A1 / Upgrade Key, single terminal, EX-4.5r GigE 220 Mbps to 440 Mbps. K0104510A1 / Upgrade Key, single terminal, EX-4.5r GigE 110 Mbps to 440 Mbps. E4520A1 / 4.5 GHz ODU terminal, 110 Mbps + 0xT1/E1 K00F4520A1 / Upgrade Key, single terminal, EX-4.5r-c GigE 110 Mbps to 220 Mbps. K00G4520A1 / Upgrade Key, single terminal, EX-4.5r-c GigE 0xT1/E1 to 4xT1/E1. K00J4520A1 / Upgrade Key, single terminal, EX-4.5r-c GigE 220 Mbps to 440 Mbps. K0104520A1 / Upgrade Key, single terminal, EX-4.5r-c GigE 110 Mbps to 440 Mbps. E5820A1 / 5 GHz tri-band ODU terminal, 220 Mbps + 0xT1/E1 K00G5820A1 / Upgrade key, single terminal, EX-5r-c GigE 0xT1/E1 to 4xT1/E1. K00J5820A1 / Upgrade key, single terminal, EX-5r-c GigE, 220 Mbps to 440 Mbps. K0155820A1 / Upgrade Key, EX-5r-c GigE, single terminal, 0xT1/E1 to 2xT1/E1. K0175820A1 / Upgrade Key, EX-5r-c GigE, single terminal, 2xT1/E1 to 4xT1/E1. E5810A1 / 5 GHz tri-band ODU terminal, 220 Mbps + 0xT1/E1 K00G5810A1 / Upgrade key, single terminal, EX-5r GigE 0xT1/E1 to 4xT1/E1 K00J5810A1 / Upgrade key, single terminal, EX-5r GigE, 220 Mbps to 440 Mbps. K0155810A1 / Upgrade Key, EX-5r GigE, single terminal, 0xT1/E1 to 2xT1/E1. K0175810A1 / Upgrade Key, EX-5r GigE, single terminal, 2xT1/E1 to 4xT1/E1.