Product Specification Sheet APS204

Rev. 07/2013

1350 / 1351 Transmitter Unit (AstraPage series)

This Specsheet is for a product which is discontinued. Please contact us for alternative products.
Architects' And Engineers' Specifications
The Transmitter shall be Alpha Communications® / Stento model #1350 / #1351 or approved equivalent. The transmitter shall be housed in nickel plated steel housing and shall be approximately 5.00" H x 3.00" W x 1.00" D. The transmitter shall have high speed data transmissions with automatic frequency monitoring. The required antenna is BNC type and input is by a 9 pin "D" connector. The required power shall be 10 - 12 VDC. The #1350 transmitter shall mount inside #1330 termination unit.

The #1350 shall operate on the AstraPage radio paging system.

Contractor shall observe all local and national electrical and building codes.

1350 / 1351 Transmitter

The #1350 is a small radio paging transceiver designed specifically to transmit short bursts of digitally coded data direct to AstraPage pocket (pagers) receivers. The unit is mounted in and controlled by the #1330 transmitter termination unit. It provides fast solid state switching and direct FM modulation for accurate high speed data capability. The unit includes receiver circuitry to monitor the radio frequency prior to transmitting. The #1350 (UHF standard) will operate on the AstraPage radio paging system.


  • Compact and durable
  • Full 5 watts RF output
  • High speed data transmissions
  • Solid state switching
  • Pocsag FM modulation
  • UHF or VHF crystal controlled
  • Built-in receiver circuitry
  • Automatic frequency monitoring
  • Extreme stability & reliability
  • FCC type acceptance

Nickel plated steel
5.00" H x 3.00" W x 1.00" D
1350: UHF 450-470 Mhz (standard), 1351: VHF 150-170 Mhz (special)
Single channel with 25 Khz spacing
Data Rate:
Set at 1200 BPS baud rate
5 watts nominal, adjustable to 2 watts
Requires 10-12 V DC, 750 ma
Frequency stability is to .0005 %
Antenna is BNC type, input is by 9-pin "D" connector
Spurious & harmonic emission is less than -60dB
Receiver @ 12 dB Sinad is 0.35 uV
Mounts inside #1330 termination unit
FCC part 15, & FCC Type Acceptance to part 90
Alpha Communications
42 Central Drive • Farmingdale • NY • 11735-1202 • Phone: (631) 777-5500 • Fax: (631) 777-5599
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Due to continuous product improvement, all colors, sizes, materials, finishes and specifications are subject to change without notice.