The µPA810TC has built-in low-voltage two transistors which are designed to amplify low noise in the VHF band
to the UHF band.
FEATURES
• Low noise: NF = 1.2 dB TYP. @ f = 1 GHz, VCE = 3 V, IC = 7 mA
• High gain: |S21e|2 = 9.0 dB TYP. @ f = 1 GHz, VCE = 3 V, IC = 7 mA
• Flat-lead 6-pin thin-type ultra super minimold
• Built-in 2 transistors (2 × 2SC5006)
ORDERING INFORMATION
Part NumberPackageQuantitySupplying Form
µ
PA810TCFlat-lead 6-pinLoose productsEmbossed tape 8 mm wide.
thin-type ultra(50 pcs)Pin 6 (Q1 Base), Pin 5 (Q1 Emitter), Pin 4 (Q2 Emitter) face to
super minimoldperforation side of the tape
µ
PA810TC-T1Taping products
(3 kp/reel)
Remark To order evaluation samples, please contact your local NEC sales office. (Part number for sample order:
µ
PA810TC. Unit sample quantity is 50 pcs.)
.
ABSOLUTE MAXIMUM RATINGS (TA = +25°C)
ParameterSymbolRatingsUnit
Collector to Base VoltageVCBO20V
Collector to Emitter VoltageVCEO12V
Emitter to Base VoltageVEBO3V
Collector CurrentIC100mA
Total Power DissipationPT
Junction TemperatureTj150˚C
Storage TemperatureTstg–65 to +150˚C
Note
200 in 1 elementmW
230 in 2 elements
Note Mounted on 1.08 cm2 × 1.0 mm glass epoxy substrate.
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for availability
and additional information.
Document No. P14550EJ1V0DS00 (1st edition)
Date Published November 1999 N CP(K)
Printed in Japan
2. Measured with 3-pin bridge, emitter and case should be connected to guard pin of bridge.
hFE CLASSIFICATION
RankFB
Marking75
hFE Value70 to 140
µ
A
µ
A
2Data Sheet P14550EJ1V0DS00
TYPICAL CHARACTERISTICS (TA = +25 °C)
µ
PA810TC
TOTAL POWER DISSIPATION vs.
AMBIENT TEMPERATURE
230
200
(mW)
T
2 Elements in totalFree Air
Per
Element
100
Total Power Dissipation P
0
050100150
Ambient Temperature TA (°C)
COLLECTOR CURRENT vs.
COLLECTOR TO EMITTER VOLTAGE
25
20
(mA)
C
15
IB = 160 A
IB = 140 A
IB = 120 A
10
IB = 100 A
IB = 80 A
5
Collector Current I
IB = 60 A
IB = 40 A
0
0123456
IB = 20 A
Collector to Emitter Voltage VCE (V)
COLLECTOR CURRENT vs. BASE TO
EMITTER VOLTAGE
20
VCE = 3 V
(mA)
C
10
Collector Current I
0
00.51.0
Base to Emitter Voltage VBE (V)
DC CURRENT GAIN vs.
COLLECTOR CURRENT
1 000
VCE = 3 V
µ
FE
µ
µ
100
µ
µ
µ
DC Current Gain h
µ
µ
10
0.1110100
Collector Current IC (mA)
GAIN BANDWIDTH PRODUCT vs.
COLLECTOR CURRENT
6.00
VCE = 3 V
f = 1 GHz
5.00
(GHz)
T
4.00
3.00
2.00
1.00
Gain Bandwidth Product f
0.00
110100
Collector Current IC (mA)
INSERTION POWER GAIN vs.
COLLECTOR CURRENT
14.00
VCE = 3 V
f = 1 GHz
12.00
(dB)
2
21e
10.00
8.00
6.00
4.00
Insertion Power Gain S
2.00
110100
Collector Current IC (mA)
Data Sheet P14550EJ1V0DS003
µ
PA810TC
NOISE FIGURE vs. COLLECTOR CURRENT
6.00
VCE = 3 V
f = 1 GHz
5.00
4.00
3.00
2.00
Noise Figure NF (dB)
1.00
0.00
110100
Collector Current IC (mA)
FEEDBACK CAPACITANCE vs.
COLLECTOR TO BASE VOLTAGE
0.900
0.800
(pF)
0.700
re
0.600
0.500
0.400
0.300
0.200
Feedback Capacitance C
0.100
0.000
110100
Collector to Base Voltage VCB (V)
f = 1 MHz
INSERTION POWER GAIN vs. FREQUENCY
25.0
(dB)
2
20.0
21e
15.0
10.0
5.0
Insertion Power Gain S
0.0
0.11.010.0
Frequency f (GHz)
VCE = 3 V
I
C
= 7 mA
4Data Sheet P14550EJ1V0DS00
S-PARAMETERS Q1
VCE = 3 V, IC = 1 mA
FREQUENCYS11S21S12S22
GHzMAG.ANG.MAG.ANG.MAG.ANG.MAG.ANG.
0.10.949–30.73.885156.90.05646.50.990–13.3
0.20.916–58.03.492136.70.07753.10.942–26.2
0.30.883–82.53.150118.80.10735.90.897–38.0
0.40.835–106.72.819101.20.12622.20.838–48.3
0.50.808–127.02.56685.60.1357.80.786–57.4
0.60.774–146.32.28271.30.145–2.50.747–65.9
0.70.764–163.42.07457.70.155–13.90.713–73.9
0.80.748–179.21.89245.60.153–24.10.684–82.4
0.90.738165.91.73033.60.151–31.60.662–89.9
1.00.729152.01.60722.30.150–39.80.643–97.9
1.10.733138.91.49011.40.146–48.30.625–106.2
1.20.727126.41.3940.70.140–54.30.615–114.4
1.30.733115.01.307–9.20.134–59.80.603–122.7
1.40.732103.21.230–19.50.129–65.40.595–131.0
1.50.73792.61.162–29.10.126–71.90.583–139.8
1.60.73981.71.105–38.60.116–75.30.576–148.3
1.70.74471.51.048–48.00.116–77.50.570–157.5
1.80.74661.41.003–57.50.110–79.50.565–167.0
1.90.75251.80.955–66.20.108–81.90.561–176.6
2.00.75242.20.910–75.10.108–81.80.555174.3
2.10.75832.80.871–83.60.111–83.70.549164.4
2.20.75923.80.832–92.50.112–82.20.545153.7
2.30.76715.00.802–100.40.120–83.30.539143.2
2.40.7686.00.768–108.80.132–84.40.537132.7
2.50.770–2.30.740–116.50.144–88.20.528121.7
2.60.775–11.00.711–124.60.161–92.70.522110.5
2.70.779–19.00.691–132.10.178–97.70.51599.2
2.80.779–26.70.667–139.80.196–105.00.50588.0
2.90.782–34.40.649–147.60.207–113.20.48877.9
3.00.791–42.10.616–155.50.216–122.80.48269.4
µ
PA810TC
VCE = 3 V, IC = 3 mA
FREQUENCYS11S21S12S22
GHzMAG.ANG.MAG.ANG.MAG.ANG.MAG.ANG.
0.10.872–40.49.566149.60.04943.50.952–20.7
0.20.789–76.28.034126.30.06846.80.832–38.1
0.30.735–105.56.761107.10.08232.80.722–50.9
0.40.686–131.05.67190.20.09119.20.630–61.6
0.50.660–150.84.89075.80.0989.20.562–69.7
0.60.636–169.34.19862.80.1061.40.512–77.2
0.70.625175.03.70751.30.107–7.90.476–83.7
0.80.623160.93.32540.20.110–13.80.443–90.7
0.90.617147.72.99129.80.112–19.40.421–97.9
1.00.616135.72.73119.50.111–24.10.400–104.5
1.10.618123.92.5139.70.114–28.50.382–112.5
1.20.614112.82.3240.20.119–33.80.372–120.0
1.30.625102.42.169–9.20.119–37.10.359–127.7
1.40.62992.22.035–18.30.120–42.10.347–135.5
1.50.63482.51.912–27.30.124–45.30.340–144.2
1.60.63972.61.805–36.60.128–50.30.329–151.8
1.70.64563.51.711–45.30.132–54.10.320–161.2
1.80.65154.21.621–54.30.139–58.50.314–169.5
1.90.65645.41.545–62.80.145–62.50.309–179.4
2.00.66136.51.471–71.50.153–66.80.297172.1
2.10.66827.81.409–79.80.156–72.10.293162.5
2.20.67219.81.348–88.50.163–75.80.286152.4
2.30.67811.31.297–96.70.172–81.30.276141.0
2.40.6832.91.243–105.00.183–86.40.274130.8
2.50.691–4.71.202–113.10.194–92.40.268119.4
2.60.698–12.41.158–121.30.208–98.40.263107.8
2.70.701–19.91.111–129.30.218–104.90.25896.8
2.80.714–27.61.067–137.70.231–113.30.25586.6
2.90.722–34.91.026–145.40.233–121.00.24877.8
3.00.736–42.30.983–152.90.234–129.90.26169.1
Data Sheet P14550EJ1V0DS005
VCE = 3 V, IC = 5 mA
FREQUENCYS11S21S12S22
GHzMAG.ANG.MAG.ANG.MAG.ANG.MAG.ANG.
0.10.788–51.613.755144.70.03152.40.911–26.2
0.20.712–90.110.866119.60.06446.60.739–46.1
0.30.649–120.78.673100.10.06830.20.607–59.3
0.40.610–144.47.05484.30.07818.20.514–68.4
0.50.596–164.35.93670.70.08212.20.442–76.0
0.60.582179.55.07858.80.0907.50.397–83.4
0.70.571164.94.41548.00.094–1.40.361–89.4
0.80.570151.33.92437.50.098–6.10.335–95.7
0.90.568139.23.53127.50.099–8.20.314–103.5
1.00.574127.93.19917.90.105–13.60.295–110.0
1.10.577117.22.9378.50.113–18.50.280–117.1
1.20.579106.42.708–0.80.118–24.00.265–124.0
1.30.58896.92.523–9.80.120–28.60.258–132.1
1.40.58686.92.353–18.50.127–32.80.246–140.0
1.50.59677.72.210–27.50.131–37.10.237–148.1
1.60.60368.52.079–36.10.139–43.30.225–156.5
1.70.60959.81.974–44.60.148–47.00.219–166.4
1.80.61550.91.872–53.30.154–51.80.210–174.6
1.90.62342.41.779–61.80.160–58.60.202175.3
2.00.62633.81.692–70.30.169–63.80.196165.5
2.10.63325.41.621–78.70.176–69.20.188155.2
2.20.63817.41.548–87.20.184–75.20.181144.2
2.30.6489.51.490–95.10.192–80.70.176132.7
2.40.6541.51.431–103.40.203–86.90.171120.5
2.50.655–6.11.375–111.00.212–93.40.168108.1
2.60.666–13.81.324–119.40.223–99.80.16496.2
2.70.669–20.81.280–127.20.237–106.90.16584.0
2.80.682–28.31.225–135.50.244–115.00.16473.7
2.90.696–35.41.176–143.20.250–123.50.16165.2
3.00.715–42.91.128–150.70.246–131.70.17856.6
µ
PA810TC
VCE = 3 V, IC = 7 mA
FREQUENCYS11S21S12S22
GHzMAG.ANG.MAG.ANG.MAG.ANG.MAG.ANG.
0.10.719–60.918.194138.90.04546.40.866–32.7
0.20.635–105.813.362112.40.05145.00.637–52.7
0.30.579–134.710.19994.00.06230.20.504–65.7
0.40.563–158.08.07579.10.06823.40.414–74.9
0.50.545–176.36.67266.70.07418.50.342–81.1
0.60.538169.15.65755.50.07713.10.312–87.7
0.70.540155.14.90444.90.0819.90.279–93.2
0.80.539143.24.34835.30.0873.70.254–99.6
0.90.543132.13.88025.60.097–2.00.235–106.7
1.00.546121.63.52016.50.105–5.30.220–113.3
1.10.551111.13.2257.30.110–10.20.207–121.0
1.20.554101.42.972–1.70.119–15.80.195–127.3
1.30.56192.52.759–10.20.123–20.90.184–136.1
1.40.56482.92.577–18.80.132–26.30.171–144.6
1.50.57574.12.415–27.70.139–31.90.163–153.3
1.60.58265.22.267–36.40.148–37.40.154–163.5
1.70.58856.92.155–44.40.159–43.30.145–171.9
1.80.59448.42.024–53.20.164–48.30.139178.9
1.90.60240.21.940–61.30.174–55.20.134166.8
2.00.60731.91.838–69.70.182–60.50.125155.6
2.10.61623.61.762–77.80.188–67.20.117145.2
2.20.61916.01.681–86.20.200–73.30.111129.8
2.30.6298.21.616–94.20.207–79.50.110115.2
2.40.6330.41.551–102.30.221–86.20.107100.7
2.50.639–7.01.488–110.10.230–93.30.10586.1
2.60.649–13.91.434–118.60.242–99.80.10973.3
2.70.659–21.11.380–126.10.255–108.10.10559.7
2.80.671–27.81.315–134.10.255–116.90.10552.2
2.90.698–35.21.262–141.50.255–126.00.11146.6
3.00.717–43.21.217–148.40.243–132.80.13740.2
6Data Sheet P14550EJ1V0DS00
S-PARAMETERS Q2
VCE = 3 V, IC = 1 mA
FREQUENCYS11S21S12S22
GHzMAG.ANG.MAG.ANG.MAG.ANG.MAG.ANG.
0.10.725–58.015.087138.90.03960.20.850–34.1
0.20.618–99.711.136112.10.06641.70.645–54.8
0.30.554–128.88.51593.30.07731.60.508–68.5
0.40.510–153.26.74478.10.08826.70.421–78.2
0.50.488–170.95.60165.60.09120.70.353–85.5
0.60.475173.44.75153.80.10617.70.315–92.7
0.70.471160.24.11543.50.11110.90.288–99.7
0.80.470147.13.66133.40.1215.40.264–106.4
0.90.467135.43.27723.60.1302.80.246–113.4
1.00.467123.92.98514.30.139–2.90.233–119.4
1.10.470113.72.7425.10.151–8.40.219–127.6
1.20.471103.32.536–4.00.161–13.30.214–134.2
1.30.47394.22.365–12.60.170–18.50.207–141.5
1.40.47384.32.223–21.20.181–23.80.199–148.8
1.50.48075.22.088–30.00.193–30.20.195–157.4
1.60.48166.01.984–38.40.204–36.00.189–165.8
1.70.48257.51.885–46.80.217–40.70.188–174.4
1.80.48848.51.796–55.10.228–47.30.180178.2
1.90.48940.01.731–63.20.241–54.00.179168.5
2.00.49331.31.655–71.60.252–59.70.174160.1
2.10.49722.71.598–79.60.263–66.20.168150.8
2.20.50015.01.537–87.80.276–72.50.166141.5
2.30.5056.71.492–95.50.288–78.60.162130.8
2.40.505–1.61.443–103.50.302–85.20.158121.2
2.50.507–9.71.400–111.10.315–91.60.156110.8
2.60.517–17.61.360–119.40.327–98.10.15699.5
2.70.518–25.61.328–126.70.343–104.60.15588.5
2.80.519–33.51.291–134.20.356–111.80.15478.5
2.90.521–41.51.267–142.00.370–118.30.15667.3
3.00.524–48.61.232–149.30.382–125.40.15957.6
µ
PA810TC
VCE = 3 V, IC = 3 mA
FREQUENCYS11S21S12S22
GHzMAG.ANG.MAG.ANG.MAG.ANG.MAG.ANG.
0.10.853–42.48.913147.90.04945.50.949–24.5
0.20.773–78.77.359123.20.08344.90.796–41.9
0.30.695–108.66.081103.30.09228.00.684–55.5
0.40.628–131.65.02586.50.10818.00.593–66.5
0.50.602–152.34.32572.00.11211.40.523–74.4
0.60.576–170.13.70159.20.1194.50.478–82.8
0.70.557174.33.25747.40.122–1.90.442–90.0
0.80.552160.22.90536.50.127–7.80.416–96.9
0.90.545146.82.63025.80.132–10.40.399–104.3
1.00.543134.72.40215.80.132–15.80.380–111.5
1.10.542123.02.2155.90.138–21.50.368–119.3
1.20.540112.42.060–3.50.145–25.20.354–126.1
1.30.543101.41.913–12.80.152–28.70.352–134.4
1.40.54690.91.806–21.90.157–32.40.347–141.5
1.50.55081.21.704–31.10.164–35.80.339–149.8
1.60.54971.41.612–39.50.171–40.80.335–158.0
1.70.55362.21.538–48.10.182–44.90.332–166.2
1.80.55752.51.470–57.00.190–49.60.326–174.5
1.90.55943.31.412–65.00.203–54.30.325176.3
2.00.56133.91.360–73.70.213–59.60.320168.1
2.10.56825.61.303–81.50.224–65.00.315158.9
2.20.56716.61.258–90.10.240–70.30.313149.6
2.30.5717.91.217–97.80.253–75.80.308140.2
2.40.572–0.61.178–105.90.266–81.60.308130.6
2.50.576–9.21.145–113.60.282–87.60.304120.5
2.60.584–17.71.117–121.50.298–93.70.303110.5
2.70.586–26.11.082–129.00.315–99.80.301100.7
2.80.587–34.21.056–136.80.331–106.50.30390.7
2.90.587–42.41.033–143.90.344–113.00.29980.1
3.00.590–50.41.010–151.30.361–119.50.30370.4
Data Sheet P14550EJ1V0DS007
VCE = 3 V, IC = 5 mA
FREQUENCYS11S21S12S22
GHzMAG.ANG.MAG.ANG.MAG.ANG.MAG.ANG.
0.10.798–51.112.419143.00.03925.40.905–31.1
0.20.688–90.59.685116.70.07143.10.711–49.4
0.30.613–120.77.63797.30.08531.90.582–64.1
0.40.555–143.76.15581.40.09022.00.482–74.2
0.50.532–163.55.14868.00.10113.30.418–82.1
0.60.516–179.94.39955.80.10712.70.377–88.9
0.70.500165.13.83245.10.1104.90.340–96.0
0.80.499152.43.39934.60.1201.90.317–103.5
0.90.493139.93.06624.70.129–0.90.296–109.2
1.00.493128.62.78415.00.137–6.90.283–116.5
1.10.493117.52.5645.50.144–12.80.272–124.5
1.20.493107.32.377–3.60.153–16.60.263–130.3
1.30.49797.22.217–12.50.160–22.60.256–138.4
1.40.49687.32.078–21.30.172–26.70.248–146.0
1.50.50377.91.966–30.10.184–32.20.244–153.7
1.60.50668.41.856–38.90.194–37.70.238–162.0
1.70.50859.51.767–47.30.205–42.80.237–171.0
1.80.51150.41.687–55.70.215–48.00.232–178.4
1.90.51341.81.623–63.90.227–54.00.223172.4
2.00.51532.71.555–72.20.240–59.50.221163.5
2.10.52124.31.494–80.20.252–66.10.217155.7
2.20.52416.21.445–88.40.264–71.70.213145.7
2.30.5267.81.403–96.40.276–77.80.211135.9
2.40.531–0.61.360–104.50.291–83.90.207126.3
2.50.533–9.11.316–112.20.302–90.40.205115.9
2.60.540–17.51.277–120.00.316–96.30.203105.5
2.70.538–25.11.242–127.70.332–103.00.20295.6
2.80.544–32.91.213–135.40.347–110.00.20484.8
2.90.542–40.81.191–142.80.359–116.60.20174.2
3.00.544–48.31.160–150.10.374–123.50.20464.2
µ
PA810TC
VCE = 3 V, IC = 7 mA
FREQUENCYS11S21S12S22
GHzMAG.ANG.MAG.ANG.MAG.ANG.MAG.ANG.
0.10.725–58.015.087138.90.03960.20.850–34.1
0.20.618–99.711.136112.10.06641.70.645–54.8
0.30.554–128.88.51593.30.07731.60.508–68.5
0.40.510–153.26.74478.10.08826.70.421–78.2
0.50.488–170.95.60165.60.09120.70.353–85.5
0.60.475173.44.75153.80.10617.70.315–92.7
0.70.471160.24.11543.50.11110.90.288–99.7
0.80.470147.13.66133.40.1215.40.264–106.4
0.90.467135.43.27723.60.1302.80.246–113.4
1.00.467123.92.98514.30.139–2.90.233–119.4
1.10.470113.72.7425.10.151–8.40.219–127.6
1.20.471103.32.536–4.00.161–13.30.214–134.2
1.30.47394.22.365–12.60.170–18.50.207–141.5
1.40.47384.32.223–21.20.181–23.80.199–148.8
1.50.48075.22.088–30.00.193–30.20.195–157.4
1.60.48166.01.984–38.40.204–36.00.189–165.8
1.70.48257.51.885–46.80.217–40.70.188–174.4
1.80.48848.51.796–55.10.228–47.30.180178.2
1.90.48940.01.731–63.20.241–54.00.179168.5
2.00.49331.31.655–71.60.252–59.70.174160.1
2.10.49722.71.598–79.60.263–66.20.168150.8
2.20.50015.01.537–87.80.276–72.50.166141.5
2.30.5056.71.492–95.50.288–78.60.162130.8
2.40.505–1.61.443–103.50.302–85.20.158121.2
2.50.507–9.71.400–111.10.315–91.60.156110.8
2.60.517–17.61.360–119.40.327–98.10.15699.5
2.70.518–25.61.328–126.70.343–104.60.15588.5
2.80.519–33.51.291–134.20.356–111.80.15478.5
2.90.521–41.51.267–142.00.370–118.30.15667.3
3.00.524–48.61.232–149.30.382–125.40.15957.6
8Data Sheet P14550EJ1V0DS00
PACKAGE DIMENSIONS
FLAT-LEAD 6 PIN THIN-TYPE ULTRA SUPER MINIMOLD (UNIT: mm)
(Top View)
B1
E1
E2
µ
PA810TC
1.50±0.1
0.96
0.480.48
0.55±0.05
1.50±0.1
1.10±0.1
123
75
+0.1
–0.05
0.20
654
+0.1
–0.05
0.11
PIN CONNECTIONS
1. Collector (Q1)
2. Base (Q2)
3. Collector (Q2)
Q1
C1
6
5
4
Q2
1
2
B2
3
C2
4. Emitter (Q2)
5. Emitter (Q1)
6. Base (Q1)
Data Sheet P14550EJ1V0DS009
[MEMO]
µ
PA810TC
10Data Sheet P14550EJ1V0DS00
[MEMO]
µ
PA810TC
Data Sheet P14550EJ1V0DS0011
µ
PA810TC
• The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
• No part of this document may be copied or reproduced in any form or by any means without the prior written
consent of NEC Corporation. NEC Corporation assumes no responsibility for any errors which may appear in
this document.
• NEC Corporation does not assume any liability for infringement of patents, copyrights or other intellectual property
rights of third parties by or arising from use of a device described herein or any other liability arising from use
of such device. No license, either express, implied or otherwise, is granted under any patents, copyrights or other
intellectual property rights of NEC Corporation or others.
• Descriptions of circuits, software, and other related information in this document are provided for illustrative
purposes in semiconductor product operation and application examples. The incorporation of these circuits,
software, and information in the design of the customer's equipment shall be done under the full responsibility
of the customer. NEC Corporation assumes no responsibility for any losses incurred by the customer or third
parties arising from the use of these circuits, software, and information.
• While NEC Corporation has been making continuous effort to enhance the reliability of its semiconductor devices,
the possibility of defects cannot be eliminated entirely. To minimize risks of damage or injury to persons or
property arising from a defect in an NEC semiconductor device, customers must incorporate sufficient safety
measures in its design, such as redundancy, fire-containment, and anti-failure features.
• NEC devices are classified into the following three quality grades:
"Standard", "Special", and "Specific". The Specific quality grade applies only to devices developed based on a
customer designated “quality assurance program“ for a specific application. The recommended applications of
a device depend on its quality grade, as indicated below. Customers must check the quality grade of each device
before using it in a particular application.
Standard: Computers, office equipment, communications equipment, test and measurement equipment,
audio and visual equipment, home electronic appliances, machine tools, personal electronic
equipment and industrial robots
Special:Transportation equipment (automobiles, trains, ships, etc.), traffic control systems, anti-disaster
systems, anti-crime systems, safety equipment and medical equipment (not specifically designed
for life support)
Specific:Aircraft, aerospace equipment, submersible repeaters, nuclear reactor control systems, life
support systems or medical equipment for life support, etc.
The quality grade of NEC devices is "Standard" unless otherwise specified in NEC's Data Sheets or Data Books.
If customers intend to use NEC devices for applications other than those specified for Standard quality grade,
they should contact an NEC sales representative in advance.
M7 98.8
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