Model
SPA-2XT3/E3
Product compatibility
Cisco 7304 Router
Cisco 7600 Series Routers
Cisco 12000 Series Routers
Cisco ASR 9000 Series Router
Cisco XR 12000 Series Routers
Port density per SPA
2- and 4-port options
Physical interface 
1.0/2.3 RF connector (75-ohm impedance)
1.0/2.3 RF to BNC adapter cable option
Physical specifications
Weight: 0.75 lb (0.34 kg)
Height: 0.8 in. (2.03 cm) (single height)
Width: 6.75 in. (17.15 cm)
Depth: 7.28 in. (18.49 cm)
Power
2-port: 7.7W maximum
4-port: 8.4W maximum