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(Click for frequent words.) 75 backhaul 71 mobile backhaul 71 microwave backhaul 66 cellular backhaul 64 Ethernet backhaul 63 Exalt Communications 63 optical networking 63 packet microwave 63 GPON 63 #G optical [001] 62 wireless broadband 61 reconfigurable optical 61 metro ethernet 61 Ethernet aggregation 61 wireless mesh 61 Ceragon 60 Pseudo Wire 60 SDH SONET 60 metro Ethernet 60 Ethernet switching 60 backhauling 60 multipoint Ethernet 60 Metro Ethernet 60 FTTH deployments 60 WDM optical 60 #G/#G wireless 59 Ethernet 59 basestations 59 WiMAX 59 FiberTower Corporation 59 RFoG 59 Infinera DTN 58 TRuepoint TM 58 AN #i 58 wireless 58 packet optical 58 GEPON 58 IP MPLS 58 VectaStar 58 EPON 58 microwave backhaul systems 58 pseudowire 58 Ethernet MPLS 58 Carrier Ethernet 57 multipoint PMP 57 Backhaul 57 AN #i broadband 57 Premises FTTP 57 #.#e WiMAX 57 FTTx 57 wireless LAN WLAN 57 haul DWDM 57 FTTH FTTP 57 mesh networking 57 DSLAM backhaul 57 ROADM 57 Gbps optical 57 packet backhaul 57 BelAir Networks 57 GPON optical 57 AN #e 57 Horizon Compact 57 wireless LAN 57 Nasdaq FTWR wireless 57 #GigE [001] 57 ATM Frame Relay 57 Hi FOCuS 56 picocells 56 Axerra 56 FTTx networks 56 #G Ethernet [001] 56 BridgeWave 56 RADWIN 56 Ruckus Wireless 56 platform MSAP 56 femtocell 56 Wireless LAN WLAN 56 CWDM 56 DWDM 56 Gigabit Ethernet Passive Optical 56 FibeAir 56 RoamAD 56 #G EPON 56 Motorola wi4 WiMAX 56 LightPointe 56 WDM PON 56 photonic integration 56 FibeAir #T 56 Wavion 56 Strix Systems 56 #-Gbit/sec 56 MSPPs 56 IP RAN 56 OTCQX PRXM 56 VoIP 56 PON 56 IP DSLAMs 56 LMDS 56 MPLS Multiprotocol Label Switching 56 Ceragon Networks 55 Zhone Technologies 55 GigE 55 Wave Division Multiplexing 55 converged IP 55 AirPair 55 DWDM dense wavelength 55 Proxim Wireless 55 PRNewswire FirstCall FiberTower 55 Passive Optical Networking 55 Xtera 55 IP VPNs 55 Atrica 55 FibeAir IP 55 #Gbps [001] 55 Gigabit Ethernet GbE 55 Wave7 Optics 55 Customer Premises Equipment CPE 55 BreezeACCESS 55 drop multiplexer ROADM 55 SONET 55 PTP microwave 55 CDMA# 1X 55 Optical Ethernet 55 microwave radios 55 residential gateways 55 Network GEPON 55 MPLS IP VPN 55 Digital ROADM 55 TRuepoint 55 OpVista 55 Gbps DWDM 55 SONET SDH optical 55 metro WDM 55 SOMA Networks 55 PtP 55 picocell 55 structured cabling systems 55 LTE 55 #G DWDM [001] 55 CWDM DWDM 55 Corrigent 54 metro DWDM 54 Nortel Optical Multiservice 54 VoBB 54 multi gigabit 54 SHDSL 54 ROADMs 54 Mobile Backhaul 54 Ethernet PON 54 Amir Zoufonoun CEO 54 CDMA femtocell 54 ECI Telecom 54 drop multiplexers ROADM 54 AirWalk 54 Axerra Networks 54 Pseudowire 54 MicroMAX 54 FlexPort 54 Telsima 54 Ethernet switches 54 Nasdaq FTWR 54 LTE WiMAX 54 SkyPilot 54 Tatara Systems 54 multiservice switching 54 converged packet 54 gigabit Ethernet 54 Redline WiMAX 54 Corporation Nasdaq FTWR 54 Mobile WiMAX 54 bandwidth 54 OTCQX PRXM PINKSHEETS PRXM 54 #Gbit s [002] 54 FTTP 54 SS7 signaling 54 IP MPLS router 54 wi4 Mesh 54 4Gb s 54 TDM ATM 54 network buildouts 54 #G/#G cellular 54 MobileVoIP 54 softswitching 54 Firetide 54 VDSL2 54 1G EPON 54 FTTP deployment 54 ADSL VDSL 54 Ethernet demarcation 54 Ethernet Passive Optical 54 GE PON 54 #G/#G [003] 54 3G femtocells 53 Multi Protocol Label 53 Fixed Wireless 53 #Gb s [001] 53 DWDM transport 53 SONET SDH 53 Inc. NASDAQ PWAV 53 Ethernet WAN 53 Novera Optics 53 softswitch 53 reconfigurable optical add 53 RCN Metro 53 FTTP deployments 53 SkyEdge II 53 Redline RedCONNEX 53 IP DSLAM 53 Accedian 53 Beamforming 53 G.SHDSL 53 EPON GPON 53 Premise FTTP 53 #G PON 53 AboveNet 53 Mavenir Systems 53 Hybrid Fiber Coax 53 #Gigabit Ethernet 53 HotPort 53 #G optical [002] 53 Gig Ethernet 53 trunking gateway 53 Wireless Backhaul 53 MRV Communications 53 CMOS Photonics 53 Infinera NASDAQ INFN 53 Ethernet VPLS 53 Femtocell 53 GPON EPON 53 pluggable optics 53 MPLS VPN 53 IP backhaul 53 multipoint 53 Synchronous Optical Network 53 TECORE 53 Ltd. NASDAQ CRNT 53 #nm VCSEL [002] 53 Towerstream Nasdaq TWER 53 Sonet SDH 53 multi terabit 53 BridgeWave Communications 53 QoStream 53 Digivance 53 #G/#G [002] 53 4G 53 Gigabit Ethernet #GbE [001] 53 Proxim Wireless Corporation 53 mesh nodes 53 Hybrid Fiber Coaxial 53 DWDM optical transport 53 xPON 53 4G/LTE 53 Ciena #G 53 FTTx deployments 53 Mzima Networks 53 Airspan WiMAX 53 Home FTTH 53 #Gb s Ethernet [002] 53 #.#d WiMAX 53 Passive Optical Networks 53 #GbE [001] 53 IMS architectures 53 Airspan Networks 52 Solectek 52 SAFARI C3 52 VoIP peering 52 3G femtocell 52 gigabit fiber optic 52 SONET SDH networks 52 BTI Systems 52 2G 3G 52 WiMAX LTE 52 drop multiplexers ROADMs 52 Provigent 52 WDM wavelength division multiplexing 52 Broadband Wireless 52 Enablence Technologies 52 Wave7 52 Redline Communications 52 StrataLight 52 Wi MAX 52 multipoint microwave 52 mesh backhaul 52 #x# MIMO 52 GbE connectivity 52 PacketMAX 52 Cellular Backhaul 52 Nasdaq ENWV leading 52 EDGE Evolution 52 gigabit passive optical 52 #Gbps optical [001] 52 FibroLAN 52 T1s 52 Edge QAM 52 NGN IMS 52 Passive Optical Network 52 optical components 52 Nortel Networks OPTera Metro 52 MetroMesh 52 #GbE connectivity 52 TRIDENT7 52 Accedian Networks 52 iWDM 52 MXK platform 52 PRNewswire FirstCall Ceragon Networks 52 Alvarion BreezeACCESS VL 52 wi4 WiMAX 52 passive optical 52 #gbps 52 #.#n WLAN 52 Application Delivery Controllers 52 InfiNet Wireless 52 Gigabit 52 modular stackable 52 EtherEdge 52 Vyyo 52 wi4 Fixed 52 EPON chipset 52 optical transceivers 52 Ceragon FibeAir 52 VTLWaveNet 52 Hi FOCuS TM 52 HotPoint 52 4G/WiMAX 52 fiber optic 52 legacy TDM 52 cellular backhauling 52 Nextlink Wireless Inc. 52 Mahi Networks 52 dense wavelength division multiplexing 52 3G/UMTS 52 IP MPLS backbone 52 SatLink 52 IMS SIP 52 amplifier ICs 52 Mintera 52 TASE CRNT 52 Resilient Packet Ring RPR 52 BroadAccess 52 Gb s optical 52 Telco Systems 52 Ethernet FTTH 52 Actelis 52 AdaptRate 52 Strix Access One 52 mobile convergence FMC 52 NASDAQ ZHNE global 52 Ethernet-over-SONET/SDH 52 FlexWave Prism 52 MeshDynamics 52 coarse wavelength division multiplexing 52 Service Delivery CESD 52 Alvarion WiMAX 52 LoopStar 52 maritime VSAT 52 FTTX 52 T#/E# 52 IEEE #.#a/b/g 52 GigaBeam 52 WLANPlus 52 WLAN 52 Amedia Networks 52 multiservice optical 52 IP MPLS VPN 52 Trango Systems 52 MediaXstream 52 ADVA FSP 52 symmetric DSL 52 CoreDirector 52 NASDAQ GGBM 52 HN# Series 52 #Gbit s [001] 52 SIGTRAN 52 Wavelength Division Multiplexing WDM 52 MXK 52 Fujitsu FLASHWAVE 52 RedMAX 4C 52 Aktino 52 RedMAX 52 OnFiber 52 Airspan 52 broadband 52 Infinera DTN optical 52 Optical Transport 51 NetPerformer 51 LTE FDD 51 #G coherent [001] 51 Gigabit Ethernet 51 Ciena CN 51 intelligent photonic 51 Nasdaq CTLM 51 Optimum Lightpath SM 51 Ka band 51 multipoint backhaul 51 PONs 51 MetaLIGHT 51 OPEX savings 51 Bonded ADSL2 + 51 EMTAs 51 Ethos Networks 51 EoC 51 MEF certified 51 DSLAM 51 Zhone MALC 51 xDSL modems 51 GSM GPRS EDGE 51 ECI Hi FOCuS 51 #.#n APs 51 HotView Pro 51 WiMAX chipsets 51 Cisco IP NGN 51 GPON OLT 51 Winncom 51 photonic components 51 softswitch architecture 51 GHz millimeter wave 51 #Gbit s Ethernet [002] 51 xDSL 51 Distributed Antenna Systems 51 Celeno 51 WiMAX deployments 51 multiprotocol 51 structured cabling solutions 51 WiMax Worldwide Interoperability 51 division multiplexing 51 DWDM backbone 51 IP VPN 51 IP Multiprotocol Label 51 Enablence 51 Gbps 51 networking PON 51 EtherReach 51 packet switched 51 WiChorus 51 wavelength division multiplexing 51 EtherTone 51 Trident7 51 3G/HSPA 51 #.#a/b/g 51 Zhone 51 InfiniBand connectivity 51 FiberTower 51 stackable switches 51 IP MPLS routing 51 4G WiMAX 51 #G/#.#G 51 Optical Networks 51 LAN SAN 51 LTE TDD 51 GbE 51 Firetide HotPort 51 Metaswitch 51 EnGenius 51 FTTX deployments 51 NGN 51 Inc. Nasdaq SONS 51 NASDAQ RCNI leading 51 GLOBE NEWSWIRE QLogic 51 NASDAQ ECIL 51 #.#n MIMO 51 #.#abg 51 CDMA# [002] 51 Backhaul Solution 51 RFPON 51 Riverstone Networks 51 TDM 51 #x# WSS 51 Long Term Evolution LTE 51 GSM backhaul 51 WipLL 51 division multiplexing TDM 51 Colubris Networks 51 Gbps Ethernet 51 femtocells 51 NetIron XMR Series 51 multiservice provisioning platforms 51 TDM circuits 51 Metrobility 51 #G/#G/#G 51 multipoint connectivity 51 Converged Access 51 Packet Optical 51 Amir Makleff 51 Corp. Nasdaq QLGC 51 AvaLAN 51 Wintegra 51 #G Ethernet [002] 51 GSM cellular 51 OFDM orthogonal frequency 51 3G/WCDMA 51 interconnect 51 VoATM 51 Coarse Wavelength Division Multiplexing 51 Covaro 51 premises FTTP 51 BelAir 51 Gigabit Ethernet switches 51 OTC BB NSATF 51 VoIP Gateways 51 switching MPLS 51 SDH Synchronous Digital Hierarchy 51 Motorola Canopy 51 ® SmartCore 51 Time Warner Telecom 51 ADSL2Plus 51 DragonWave AirPair 51 VoIP gateways 51 multiservice 51 #Mbps #Mbps [001] 51 Active Ethernet 51 Iuh 51 Frame Relay ATM 51 SkyExtender 51 ASON 51 VoWiFi 51 Ethernet connectivity 51 Ethernet VLAN 51 datacom 51 NASDAQ VRAZ 51 BPON 51 4Gbit s 51 TeraGo 51 NASDAQ PWAV global 51 Gigabit Ethernet GigE 51 3G WCDMA 51 IEEE #.#e standard 51 XFP modules 51 VDSL#/ADSL# + 51 Inc. NASDAQ SCMR 51 Terabit 51 circuit emulation 51 SONET rings 51 TelcoBridges Tmedia 51 Global Crossing EtherSphere 50 ADVA Fiber Service 50 AdaptPath 50 HSPA 50 #G GPON 50 VPLS 50 Tsunami MP.# 50 DSL cable modem 50 Add Drop Multiplexer 50 NASDAQ BBND 50 WCDMA HSPA 50 Airspan HiperMAX 50 Celtro 50 protocol Label Switching 50 HSxPA 50 NexusLink 50 ADSL2plus 50 Gb s Ethernet 50 Infinera Digital 50 Dense Wavelength Division Multiplexing 50 Trident7 platform 50 Redline RedMAX 50 baseband processors 50 wireless LAN chipset 50 CDMA 1XRTT 50 RedCONNEX TM 50 Veroxity 50 MINI LINK TN 50 Mobile Convergence FMC 50 PacketCable compliant 50 ADVA Optical Networking 50 BelAir#T 50 DWDM optical 50 aggregation switches 50 MSANs 50 PINKSHEETS PRXM leading 50 Sorrento Networks 50 Nasdaq WSTL 50 2G #.#G 50 WAN optimization 50 wirespeed 50 multi megabit 50 #Gigabit 50 RangeMax TM 50 BreezeACCESS VL 50 Lucent IMS 50 spectral efficiency 50 ONUs 50 FTTP fiber 50 Actelis carrier 50 ZoneGate 50 5G Wireless 50 wavelength selective 50 MPLS 50 hiT 50 optical interconnect 50 Spatial Wireless 50 Gigabit Ethernet adapters 50 Kentrox 50 femtocell gateway 50 Alloptic 50 MINI LINK 50 mesh topology 50 Ethernet WDM 50 Application Delivery Controller 50 Sparkplug Communications 50 Internet Protocol Multiprotocol 50 EtherNID 50 Cyan Z Series 50 Gigabit Ethernet connectivity 50 PDH SDH 50 Cisco CRS 1 50 sub 6GHz 50 GPRS EDGE UMTS 50 GPON ONTs 50 Airespace 50 FibeAir #P 50 Dense Wave Division Multiplexing 50 IP trunking 50 wireless basestations 50 mobile softswitch 50 cellular backhaul switching 50 Multiprotocol Label Switching MPLS 50 RedCONNEX 50 based femtocell convergence 50 NASDAQ MSPD leading 50 BreezeMAX 50 Exalt Communications provides 50 FSP #RE 50 Edge Routers 50 Marconi OMS 50 Convergia 50 EasyST 50 GPON ONT 50 Intellifiber 50 #G/#G [001] 50 BreezeMAX Extreme 50 WLAN deployments 50 Infinera 50 Gigabit PON GPON 50 Amir Zoufonoun president 50 broadband connectivity 50 UMTS 3G 50 Ekinops 50 WiMAX Worldwide Interoperability 50 Interlink Global 50 3G CDMA# 1X 50 NASDAQ CRNT 50 Bandwidth Virtualization 50 Telabria 50 SkyEdge 50 MicroTCA TM 50 optical DWDM 50 iMAT 50 RapidIO 50 LightGAIN 50 zNID 50 mSwitch 50 OTCBB CVAS leading 50 Ceragon Networks Ltd. 50 VSAT 50 Synchronous Digital Hierarchy SDH 50 Calix C7 50 TDM Ethernet 50 transceivers 50 Ethernet SONET 50 telephony 50 IceFyre 50 Frame Relay 50 Rim Semiconductor 50 WiMAX modems 50 DWDM CWDM 50 optical subsystems 50 XO Communications OTCBB XOHO 50 Telkonet develops 50 SyncE 50 VCom 50 trunking 50 MLX Series 50 WCDMA HSDPA 50 Yipes Enterprise Services 50 WiMAX #e 50 BelAir wireless 50 NASDAQ TXCC leading 50 #.#e [001] 50 WCDMA 50 Nasdaq CRNT 50 MobileVoIP convergence 50 Netrake 50 Glass RFoG 50 #.#n wireless LANs 50 Transmode 50 neutral colocation 50 Nasdaq TWER leading 50 TDM IP 50 WCDMA UMTS 50 Globalstar Simplex data 50 WAN PHY 50 Sonus IMS 50 VDSL 50 Optical Components 50 integrated circuits MMICs 50 GPON Fiber 50 IP softswitches 50 NEMs 50 ULP Bluetooth 50 Wi Fi Mesh 50 Hibernia Atlantic 50 Nasdaq ZHNE 50 wireless LANS 50 Reconfigurable Optical Add 50 DVB RCS 50 WDM ROADM 50 HSDPA HSUPA 50 1G #.#G 50 SDH 50 MPLS backbone 50 cable FTTX optical 49 wireless mesh nodes 49 #Gbps Ethernet [001] 49 VocalTec VoIP 49 wireless LAN deployments 49 Wi Max 49 G PON 49 TDD LTE 49 #Gb s InfiniBand 49 1XRTT 49 Fiber Channel 49 Aztek Networks 49 IP Multimedia Subsystems 49 Dragonwave 49 SPEEDLAN 49 Switch Routers 49 FlexWave 49 Mada Communications 49 Nortel Common Photonic 49 Proxim 49 Aperto PacketMAX 49 Alvarion BreezeMAX 49 Tmedia 49 Lightower Fiber Networks 49 multiprotocol label switching 49 Avail Media 49 FiberLight 49 DSLAMs 49 ECI 1Net 49 GigaMux 49 ultrawideband UWB 49 Broadband Access 49 IPTV deployments 49 Wi Tron 49 femto cell 49 GigaBeam Corporation 49 OLTs 49 Fixed WiMAX 49 Nortel #G [002] 49 #G #G [002] 49 DS1 DS3 49 wave division multiplexing 49 WebNet CWN 49 DCME 49 cellular M2M 49 Provider Backbone Transport 49 APA Cables & 49 iMAP 49 PeerApp 49 Global Crossing Nasdaq GLBC 49 SnowShore 49 DWI NASDAQ DRWI 49 Hatteras Networks 49 Picolight 49 Tropos Networks 49 UltraLine Series3 49 OneAccess 49 multipoint radios 49 UMTS HSPA 49 MPLS Multi 49 Teledata Networks 49 PRNewswire FirstCall Sonus Networks 49 HomePlug powerline 49 OC-#/STM-# [003] 49 MOTOMESH Duo 49 MPLS routers 49 Statmon Technologies Corp. 49 GSM GPRS 49 Nasdaq INPH 49 ACE MX 49 LightningEdge 49 E Link #EXR 49 UMTS 49 Qwest OneFlex 49 MovingMedia 49 NEBS certified 49 BestNet Communications 49 Accedian Networks TM 49 HSPA LTE 49 Zayo Bandwidth 49 2G GSM 49 MOTOwi4 49 MOTOMESH 49 RedACCESS 49 3GPP Long Term 49 line terminal OLT 49 Vivato 49 multiservice aggregation 49 Covad Wireless 49 Core# [002] 49 MSAPs 49 IPnexus 49 ADAPTIX 49 4G/LTE wireless 49 fiber optic subsystems 49 premise FTTP 49 optical transceiver 49 AN #U 49 microcell 49 LMS# [001] 49 Nortel #G [001] 49 AWM# 49 XDM 49 WiFiber links 49 wideband 49 GSM GPRS cellular 49 DSL T1 49 OptiSwitch ® 49 Zultys Technologies 49 ECI Telecom NASDAQ ECIL 49 NetIron XMR 49 OFDMA 49 Extricom 49 routers 49 FTTX networks 49 packetized voice 49 CDMA# 1xEV DO 49 Nextlink 49 Xtera Communications 49 access node MSAN 49 Ethernet Fibre Channel 49 Base Transceiver Stations BTS 49 crosspoint switches 49 DOCSIS ® 49 DP QPSK 49 Wimax 49 LTE EPC 49 photonic integrated circuits 49 AirPrime MC# 49 HDSL 49 IP telephony 49 fiber optic transceivers 49 Movaz 49 ADSL ADSL2 + 49 Flexi Base Station 49 terabit 49 Telecommunications DECT 49 Interphase Corporation 49 SmartVoice 49 HiperMAX 49 i BURST 49 Veraz Networks Inc. 49 Comtrend 49 tunable lasers 49 TMS#TCI# 49 Wi-Fi/WiMAX 49 EUM# 49 ExtendAir 49 WCDMA EDGE 49 Veraz Networks 49 gigabit 49 GSM UMTS CDMA 49 PtMP 49 IMS NGN 49 Ethernet interfaces 49 Alvarion 49 PBB TE 49 bandwidth intensive 49 #G/#G/LTE 49 ONTs 49 SONET SDH PDH 49 Airspan Networks Inc. 49 NuVisions 49 NASDAQ MTLK 49 RedMAX TM 49 SONET EoS 49 Picocell 49 Nexaira Wireless 49 low latency 49 SURFboard 49 IPoDWDM 49 cable modem termination 49 Vecima 49 PRNewswire FirstCall ARRIS 49 Femto 49 hybrid fiber coaxial 49 DPSK 49 ProST 49 PRNewswire FirstCall ANADIGICS 49 IP MPLS Ethernet 49 UMTS W CDMA 49 Inc. NASDAQ BBND 49 Inc. Nasdaq VRSO 49 WinLink 49 Gbit Ethernet 49 Amedia Networks Inc. 49 EPON IEEE #.#ah Ethernet 49 Gilat SkyEdge II 49 Hosted IP PBX 49 Term Evolution LTE 49 generation networks NGNs 49 3eTI 49 Navini Networks 49 LX4 49 Meriton Networks 49 #G wavelengths [002] 49 pluggable transceiver 49 photonic switching 49 Versera ICE 49 WiMAX #.#e 49 SOHO routers 49 Artera Turbo 49 Femtocell Gateway 49 AS.MAX 49 Telchemy 49 TPSDA 49 packetized 49 TDM switches 49 #.#n [001] 49 #.#.#/ZigBee 49 Bluetooth Zigbee 49 Corrigent Systems 49 RF subsystem 49 Sonet 49 Vx# [002] 49 Menara Networks 49 Digital Optical Networking 49 Fiber Driver 49 Ortronics Legrand 49 #.#-#.# GHz [004] 49 WiMAX basestations 49 Add Drop Multiplexers 49 Gbps wavelengths 49 E#/T# 49 #/#/# Riverbed Technology 49 LambdaDriver 49 IADs 49 InfiniRoute 49 GSM EDGE W CDMA 49 ExteNet 49 backhauled 49 IPv4 IPv6 49 Mpathix 49 Transceivers 49 mmwave 49 Voxitas 49 SDH DWDM 49 #.#Tbps [002] 49 Baseband ICs Modem 49 wireless LANs 49 Inc. OTCBB COVD 49 AXN Pseudo Wire 49 #Gbps Ethernet [002] 49 Access BWA 49 structured cabling 49 media gateways softswitches 49 VPN router 49 #GBASE T 49 Hammerhead Systems 49 Net Optics 49 T1 circuits 49 #GE [001] 49 BridgePort Networks 49 Exalt 49 SkyZhone 49 Gigabit WAN 49 XFP module 49 WiMAX chipmaker 49 4G Fibre Channel 49 Inc. Nasdaq TNDM 49 ThurayaIP 49 WiMAX basestation 49 SONET ATM 49 ORiNOCO 49 VoIP Peering 48 GGSN 48 lawful intercept 48 Mesh Networks 48 Enhanced Uplink 48 IntelliNet Technologies 48 units ONUs 48 BroadWorks platform 48 6WIND 48 Mavenir 48 FPL FiberNet 48 LightCore 48 #.#n mesh 48 seamless interworking 48 AccessGate 48 symmetrical bandwidth 48 Hitachi EPON 48 UltraBand 48 tw telecom Nasdaq TWTC 48 unshielded twisted pair 48 Pink Sheets VTSS 48 iSPAN 48 colocation 48 AirWalk Communications 48 3G UMTS HSPA