4 port router as per rdso specification: rdso/spn/tc/84/2008, rev.0 with accessories as: 2 on board ge,4 port serial wan interface card, 2e hwic slots, 1 ism slots, 256 mb cf default, 512mb ram, ip base, 2 nos.v35 cable, dte make to smart serial 10 feet lengthwith required cable & connection. make: techroute/tsr-2900-20 router+ 2x hic- 2tb make:- cisco model no. isr 4221/k9 with al or similar./43265077b/107200734