t.

Transmitter specifications

a.  Spurious & harmonic emissions: Better than <69 dB.

b.  Carrier suppression: Better than 65 dB.

c.  Sideband suppression: 70 dB or better.

u.

Receiver specifications

a.  Sensitivity: 0.12 pV, -125 dBm for 10 dB SINAD.

b.  Selectivity: >70 dB at -1 kHz and +4 kHz.

c.  Image rejection: >95 dB.

d.  Spurious response: >85 dB.

V.

Switching speed

<25 ms.

ELECTRICAL & MECHANICAL

w.

Operating range (V)

10 to 15 V DC.

X.

Supply current (VA)

Rx: 500 mA & Tx: 8 A or to be mentioned.

y-

Protection

Safe under all load conditions bypass to 100-1 SOW from Transceiver in the event of excess VSWR, excess heat sink temperature & internal fault conditions.

z.

Size (RF Unit)

To be mentioned.

aa.

Weight (RF Unit)

To be mentioned.

OTHERS

ab.

High         speed          data

communication (HF data modem) facility.

Supplied Hardware and Software must be compatible to use with Data Message Terminal running on minimum Windows 10 (64 bit) or better.

ac.

Encryption

Offered set must have voice and data encryption/ scrambler facilities that must be Compatible with existing system.

ad.

Vocoder

MELPe (1200/2400 biVs); TWELP (600/1200/2400 bit/s) or to be mentioned.

ae.

Frequency Hopping

a.  Hop rate: 6/12/25 hops per second (user programmable) or to be mentioned.

b.  Security: 128 bit or to be mentioned.

c.  Number of hop plans: to be mentioned.

d.  Key code length: to be mentioned.

e.  PIN length: to be mentioned.

af.

Ethernet/USB

Connectivity feature

There should be an option for ethernet connectivity feature so that we can operate the Radio from far away if needed using a LAN or WAN.

ag.

Software (Virtual) Control Point feature

There should be a software (virtual) control point available so that we can control and operate the radio using an existing Navy computer or laptop with ethernet connection.