User's Manual

Introduction:
This module is only authorized to be installed in fixed mount installation and may not be
installed in a mobile or portable device.
The HPWR-900-1 RF module is to be used in Sapling Master Clocks such
as the SMA-3000 or Repeater SMA-1000 and equivalent models.
The module is only to be connected to other Sapling products.
Specifications:
The maximum output power will be 30 dBm.
The transmit cycle is a sequence of 57 data strings on 51 different
frequencies, each transmitted for 10 msec.
Every transmit cycle is 570 msec in duration (57 x 10ms).
The frequency hopping pattern is proprietary to Sapling and covers the range
from 914.688 to 927.488 MHz.
Connections:
The module should only be connected to and installed in other Sapling
products .
The pictures show how the module is mounted in its dedicated case and also
the connections to the rest of the Sapling Wireless Clock System.
HPWR 900-1
P1 OPERATING CONNECTOR
PIN 1 5 VOLTS
PIN 2 GROUND
PIN 3 NO CONNECTION
PIN 4 TXD
PIN 5 RXD
PIN 6 MSTR/SLV
PIN 7 NO CONNECTION
PIN 8 NO CONNECTION
* PIN 1 IS SQUARE PAD
P1